Whether you’re a seasoned installer or managing a multi-property build, this guide walks you through the most common pitfalls and how to avoid them. Getting it right the first time means happier clients, smoother installs, and more profit left in your pocket.

Trade Double Glazed Windows Mistake 1. Incorrect Measurements

Let’s start with the big one. Measurement mistakes are the number one reason why windows don’t fit on the day of install. Common problems include:

• Measuring from the plaster line rather than the brickwork
• Not allowing fitting tolerance (deducting 10mm for adjustment)
• Assuming the opening is square
• Mixing up frame size and aperture size

A window that’s just 5mm too big won’t fit without taking out more brickwork. A window that’s too small will leave large gaps and compromise the fit.

How to avoid it:
Always measure brick-to-brick in three places for both width and height (top, middle, bottom), then use the smallest measurement. Deduct 10mm for fitting tolerance, and clearly specify whether the measurement is the actual frame size or the aperture size. If you’re unsure, double-check with your supplier before ordering.

“We see it time and time again, a great job delayed over 10mm. Taking an extra few minutes on the measurement can save hours later.”
— Scott, Director at Nova Trade Frames

Trade Double Glazed Windows Mistake 2. Confusing Hinge and Opening Directions

It sounds simple, but getting left and right opening directions mixed up is another common issue. The problem usually happens when the spec is written from an internal perspective, while manufacturers work from an external view.

Imagine a window designed to open outwards from the left.

If the order describes that from the inside looking out, you’ll end up with the opposite result.

How to avoid it:
Always specify hinge and handle positions from the outside of the building. Use clear terms like “left-hand opening” or “top-hung”, and include diagrams if needed. When in doubt, send over a sketch or photo to your supplier for confirmation.

Trade Double Glazed Windows Mistake 3. Overlooking Compliance with UK Building Regulations

Installing windows that don’t meet current building standards is a fast way to trigger failed inspections, unhappy clients, or even legal issues. All trade double glazed windows should meet Part L of UK building regulations for thermal efficiency. You may also need to consider:

• Fire escape routes (especially for upstairs windows)
• Safety glass requirements in doors or low-level glazing
• Trickle vents in habitable rooms

How to avoid it:
Make sure your supplier understands the latest regs and supplies frames that meet them as standard. At Nova, all of our uPVC windows are A+ rated and Part L compliant, with options to upgrade to laminated or toughened glass where needed. If you’re unsure, just ask, we’ll walk you through the spec.

Trade Double Glazed Windows Mistake 4. Forgetting Key Glazing and Hardware Details

Window installations are more than just frames. Forgetting about the smaller details can lead to delays, reordering, or disappointment when the product arrives. Common oversights include:

• Not specifying obscure glass for bathrooms
• Forgetting to request trickle vents or restrictors
• Ordering the wrong colour handles or finish
• Overlooking child safety features or fire egress options

How to avoid it:
Create a quick checklist of must-haves for every window order. Include glazing type, handle colour, vent position, safety features, and special requirements like easy-clean hinges or equal sightlines. A good supplier will prompt you for these, but it’s always worth double-checking yourself.

Trade Double Glazed Windows Mistake 5. Using the Wrong Type of Supplier

Not all suppliers are trade-friendly. Some companies offer “trade discounts” but also sell directly to homeowners. This means your clients can shop around, find similar prices, and potentially cut you out of the job.

Worse still, many retail-focused suppliers don’t understand the demands of trade work. Lead times are longer, communication is poor, and you’re often stuck waiting for stock that doesn’t arrive when you need it.

How to avoid it:
Choose a supplier that works exclusively with trade professionals and has a great reputation. At Nova, we’re trade-only, no retail customers, no undercutting, and no DIY quotes.

That means you stay in control of the pricing, the spec, and the schedule.

Trade Double Glazed Windows Mistake 6. Not Asking for Help When You Need It

You might be an experienced installer, but window specs are constantly evolving. Whether it’s a new regulation or a bespoke opening style, guessing can be risky — and expensive.

How to avoid it:
Work with a supplier who will support you, not just sell to you. At Nova, we’re happy to take calls, check drawings, or advise on tricky measurements. You’re not just placing an order, you’re partnering with a team that wants your install to go smoothly.

“We’re not here to tell people how to do their job, just to help them avoid problems we’ve seen before. It’s in everyone’s interest that the job goes right first time.”
— Scott, Director at Nova Trade Frames

Final Thoughts

Ordering trade double glazed windows should be a straightforward process — but the details matter. A small oversight in measurement, glazing, or hardware can turn into a big problem on site.

That’s why working with the right supplier, one who truly understands trade needs, makes all the difference.

At Nova Trade Frames, we specialise in helping installers, builders, and developers get it right. From made-to-measure frames and quick turnaround times to expert support on every order, we’ve built our reputation on being reliable, professional, and trade-first.

Ready to streamline your next project?

[Apply for a Trade Account]
[Get a Quick Quote]
[Explore Our Double Glazed Window Styles]

It gives you full control of the installation, better profit margins, and a quicker, cleaner workflow. But while the benefits are clear, it’s not without its risks.

Order from the wrong supplier or make minor mistakes in the specifications, and you could face delays, remakes, or a frustrated customer.

In this blog, we’ll break down the benefits of uPVC windows supply only, what to look for in a supplier, and just as importantly, what to avoid.

What Does ‘uPVC Windows Supply Only’ Actually Mean?

Choosing supply only means you’re buying your uPVC windows without fitting services included.

As the installer or contractor, you take care of the measuring, ordering, and fitting, and that’s exactly how many professionals prefer it.

You’re not tied to someone else’s schedule, you can manage your costs, and you have full visibility over the product spec and delivery. It’s flexible, streamlined, and puts you in charge of the job.

“We only work with trade customers, so everything we do is built around speed, accuracy, and ease of installation. Supply-only gives our clients full control, and they know they’re not being undercut by us selling direct to homeowners.”
— Scott, Director at Nova Trade Frames

Six Reasons Trade Installers Prefer uPVC Windows Supply Only

Whether you’re fitting for a homeowner, developer or landlord, here’s why more trade professionals are choosing the supply-only route with confidence.

1. Faster Turnaround Times = Less Downtime on Site

One of the biggest frustrations for installers is waiting on delayed deliveries or dealing with vague lead times.

When you work supply-only with a trade-first supplier, you’re in control of when and how your materials arrive.

At Nova, our streamlined production process and trade-priority system mean you get your frames delivered on time, direct to site, so your schedule stays on track.

Benefit: No delays or rescheduling headaches
Solution: Fast, reliable lead times to keep your projects moving forward

2. Lower Costs and Better Margins = More Profit per Job

When you handle the install and buy directly through a trade supplier, you cut out unnecessary markups and labour costs associated with supply-and-fit packages.

This allows you to price your own labour and protect your profit margin. With Nova, there are no hidden charges or inflated prices, just competitive, trade-only pricing on every order.

Benefit: You control your pricing, profits, and package
Solution: Buy supply-only and price your services independently for better job profitability

3. Installer-Friendly Products = Quicker, Cleaner Installs

Some windows look good on paper but are a nightmare to fit.

Ours are built with trade feedback in mind, lightweight, precise, and easy to handle on-site. You get pre-configured frames that match your spec exactly, with clear labelling and minimal need for adjustment.

Benefit: Less faffing about on-site, more time for quality installs
Solution: Pre-manufactured to your exact measurements for efficient, accurate fitting

4. Fully Compliant with Building Regulations = Peace of Mind and Fewer Callbacks

All supply-only uPVC windows from Nova meet the latest Part L regulations as standard, meaning your installations will pass building control inspections without issue.

Our profiles are A+ energy rated, and we offer various glazing and safety upgrades as needed.

Benefit: Confidence in every install
Solution: Fully certified products that meet all thermal and safety regulations, reducing the risk of post-fit issues

5. Total Customisation = The Right Look for Every Project

Homeowners expect more choice than ever before, and when you’re working on extensions or new builds, having a wide selection of colours, finishes and opening styles matters.

Our supply-only service allows you to specify every detail: frame colour, style, glazing, hardware and opening direction. From anthracite grey flush sash windows to obscure glass for bathrooms, every detail is up to you. We work with window manufacturers offering the best choice available.

Benefit: Win more jobs by offering tailored solutions
Solution: Made-to-measure frames built to your exact spec, every time

6. Trade-Only Supply = No Public Pricing or Undercutting

Some suppliers offer “trade” pricing but also sell direct to the public.

This causes confusion, undercuts your pricing, and often leads to slow or unreliable trade support.

At Nova, we only sell to trade customers. That means no retail price lists, no DIY buyers calling us for quotes, and no risk of losing the job to your own supplier.

Benefit: Your pricing and customer relationship stays protected
Solution: A genuine trade-only supplier you can rely on for support, not competition

What to Look For in a uPVC Window Supplier

When you’re sourcing uPVC windows supply only, your supplier is more than just a manufacturer – they’re an extension of your business. The wrong supplier will slow you down, frustrate your clients, and hurt your reputation.

The right one will help you deliver consistently high standards, on time, with zero drama. Here’s what to look for and why it matters.

Trade-Only Access

Many so-called “trade suppliers” also sell to the public.

This creates a frustrating situation where homeowners can access the same products at similar prices, undermining your role and often cutting you out of the loop.

Choose a supplier like Nova that works exclusively with verified trade professionals.

Benefit: You stay in control of the client relationship and pricing, with the confidence that your supplier is backing you – not competing with you.

Accurate, Made-to-Measure Manufacturing

Off-the-shelf windows or poorly measured frames are a recipe for callbacks, delays, and site issues.

Even a few millimetres out can mean a frame that doesn’t fit. Nova builds every window to your exact measurements, confirmed by a dedicated team.

Benefit: Frames fit first time. No onsite trimming, no delays, no reorders – just fast, clean installs that protect your reputation.

Fast, Reliable Lead Times

Delayed deliveries disrupt the job schedule, hold up follow-on trades, and leave you answering awkward questions from your clients. Nova lead times are fast, accurate, and communicated up front.

Benefit: You can plan your installs with confidence and avoid wasting labour hours waiting on late deliveries.

Full Product Flexibility

Limited product options mean you either compromise the spec or waste time shopping around. Nova offers a full range of styles, colours, hardware, and glazing.

Benefit: Win more jobs by offering better customisation and keep clients happy with one trusted supplier.

Help With Spec, Compliance and Regulations

Not all installers have time to dig through energy ratings or building regulation updates – but failure to comply (especially with Part L) can lead to failed inspections.

All Nova windows are Part L compliant as standard, and we’re on hand to answer your questions.

Benefit: Peace of mind knowing your supplier understands the compliance landscape and has your back.

Clear Communication and Trade Support

Poor communication leads to uncertainty, confusion, and sometimes lost jobs. Nova prioritises clear documentation, rapid responses, and dedicated support.

Benefit: You get the answers you need, when you need them – so you can focus on fitting, not chasing up deliveries.

“We’ve worked in this industry for over 40 years, and we know what matters to installers. We’re not just here to sell windows – we’re here to help our trade customers grow their business.”
— Scott, Director at Nova Trade Frames

Common Pitfalls to Avoid When Ordering uPVC Windows Supply Only

Ordering uPVC windows supply only gives you greater control and flexibility, but it also puts more responsibility on your shoulders.

At Nova, we’ve seen how small oversights can lead to delays, rework, and even lost revenue. Here’s what to watch out for – and how to avoid them.

Incorrect Measurements

This is by far the most common issue with supply-only windows.

Measuring too tight to the aperture, misunderstanding internal vs external dimensions, or assuming square openings can all lead to ill-fitting frames.

Avoid it: Always measure brick-to-brick, not plaster-to-plaster. Take three measurements for width and height (top, middle, bottom) and use the smallest. Deduct 10mm to allow for fitting tolerance and mark whether measurements are for the aperture or frame size.

Confusing Hinge and Opening Directions

It’s easy to mix up left and right-handed openings, especially when standing inside.

Avoid it: Always specify hinge and handle positions from the outside looking in. Use terms like “top hung” or “side hung” and include simple sketches if needed.

Missing or Incorrect Hardware Details

It’s easy to forget about glazing, handle colours, or trickle vents until the unit arrives.

Avoid it: Confirm hardware and glazing details before placing the order. For bathrooms, specify obscure glass. For doors or low-level windows, confirm safety glazing is included.

Ordering Non-Compliant Specifications

Not all suppliers build to current UK standards. Installing non-compliant frames could lead to failed inspections.

Avoid it: Ensure your supplier is building to Part L and other relevant UK building regs. Nova windows are compliant as standard – and we’re happy to provide technical confirmation.

Choosing a Retail-Focused Supplier

Some suppliers claim to offer trade prices but also sell to the public. This causes pricing conflicts and undermines your quotes.

Avoid it: Work with a supplier like Nova that serves the trade exclusively and offers protected pricing and dedicated trade support.

Not Asking for Help When Unsure

It’s tempting to guess or rush – but a 5-minute call could save a £500 remake.

Avoid it: Speak to your supplier. Ask about anything you’re unsure of and use their expertise to double-check unusual orders.

“We’re happy to jump on the phone to walk through your order with you. Better to check early than rework later.”
— Scott, Director at Nova Trade Frames

Why Trade Installers Trust Nova

At Nova, we don’t do retail. We’re 100% focused on supplying the trade, which means everything we build, quote and deliver is done with professionals in mind.

• Made-to-measure uPVC windows
• Fast UK-wide delivery
• Over 40 years in the trade
• Full product flexibility
• Part L compliant as standard
• Expert advice and support when you need it most

“If our customers are successful, so are we. That’s why we focus on getting it right the first time, giving them the products they need, when they need them.”
— Scott, Director at Nova Trade Frames

Final Thoughts

Choosing uPVC windows supply only gives trade professionals more control, better margins, and a simpler way of working – but only if you get the spec right and work with the right supplier.

At Nova Trade Frames, we’ve built our service around supporting installers. From measurement advice to rapid turnaround, we’re here to make your job easier.

Need a reliable supplier for uPVC windows supply only?

Apply for a trade account today or request a quick quote from our team.

In this guide, we’ll explore what makes uPVC such a popular option, how it compares to traditional materials like timber, and why Nova’s trade-only, supply-only service is trusted by professionals across the UK.

What are uPVC Windows and Doors?

uPVC stands for unplasticised polyvinyl chloride. It’s a rigid, long-lasting material that’s become the industry standard for window and door frames thanks to its thermal performance, low maintenance, and cost-efficiency.

Unlike timber, uPVC doesn’t warp, rot, or need painting. And unlike aluminium, it won’t suffer from cold bridging or require additional coatings.

It’s a versatile material that works just as well on modern new-builds as it does on traditional refurbishments, especially when paired with a wide range of colour finishes and glazing styles.

The Benefits of uPVC Windows and Doors for Trade Professionals

uPVC windows and doors offer a range of benefits that make them ideal for trade installations.

Compared to timber, uPVC provides greater durability and far less ongoing maintenance.

While timber doors and windows require regular treatment, painting, and are prone to movement over time, uPVC stays stable and weather-resistant with minimal upkeep.

This saves you time on site, reduces the risk of future callbacks, and ensures consistent results for your customers.

uPVC windows and doors also deliver excellent thermal efficiency.

With multi-chambered profiles and high-performance glazing, they help reduce heat loss and meet or exceed current building regulations for energy performance.

This not only helps your clients save on energy bills but also supports improved EPC ratings on residential developments.

For trade professionals, the benefits go beyond the product itself. uPVC is lightweight, easy to handle, and simple to fit. It requires no special treatment before installation, allowing you to complete jobs faster and with less hassle.

Why Trade Customers Prefer Supply-Only uPVC Windows and Doors

Supply-only is the preferred route for many installers and developers, and with good reason. When you buy uPVC windows and doors on a supply-only basis, you get full control over the installation process. You choose what you need, when you need it, and fit it according to your schedule.

This flexibility helps reduce delays, increase margins, and streamline your workflow. There’s no waiting around for fitters or navigating extra charges from retail suppliers. You stay in control from quote to completion.

At Nova, we work exclusively with the trade. That means:

• No public sales
• No inflated pricing
• No competing interests

Just made-to-measure products, reliable turnaround, and support from a team that understands the demands of working on site.

Available Styles of uPVC Windows and Doors

Trade customers expect choice, and uPVC delivers. Our uPVC window range includes styles such as:

• Casement windows
• Tilt and turn windows
• Flush sash windows
• Fixed and shaped frames
• Bay and bow windows

All window styles are available in a wide range of colours, finishes, and glazing options — including double, triple, acoustic, and laminated glass.

Our uPVC door offering includes:

• Front and back doors
• Solid panel, half-glazed, and fully glazed doors
• Side panels and toplights
• French doors and patio doors
• Low threshold options
• A full choice of colours, foils, hardware, and locking systems

Everything is made to measure and built to comply with the latest building regulations, including Part L for energy efficiency.

Why Choose Nova for Trade Supply

At Nova, we’ve been supplying uPVC windows and doors to trade customers for over 40 years. We understand the pressure of delivering on time, meeting spec, and keeping clients happy.

Here’s what you get when you work with us:

• A trade-only supply model — no retail customers, no conflict
• Competitive trade pricing across all uPVC windows and doors
• Fast lead times and UK-wide delivery
• Customisable products with flexible glazing, sizing, and finish options
• Expert, straight-talking support from a team that knows the trade

Whether you’re working on a single replacement or managing a full development, we’re here to support you every step of the way.

Final Thoughts

If you’re looking for a reliable, efficient, and cost-effective solution for your next project, uPVC windows and doors are a clear choice.

With modern styling, strong performance, and minimal maintenance, they meet the needs of installers and developers alike.

At Nova Trade Frames, we’re proud to support trade professionals with a supply-only service that delivers. No fuss, no delays, just high-quality products made to your specification. Apply for your trade upvc windows account today!

In this guide, we break down everything you need to know about buying uPVC windows for trade, from how supply-only works to what sets a good supplier apart.

What Are Trade uPVC Windows?

Trade uPVC windows are designed, priced, and supplied specifically for trade professionals.

That means you’re buying directly from the manufacturer or a trade-only distributor like Nova, without any inflated retail pricing or unnecessary installation services.

Unlike buying from DIY stores or public-facing websites, trade windows give you access to preferential pricing, custom specifications, professional support, and delivery options that are built around the needs of installers and developers.

They’re ideal for professionals who want control over fitting, clear communication, and dependable supply every time.

Why More Installers Are Choosing Supply Only

The supply-only model has become the first choice for many in the trade. It gives installers more control, more flexibility, and fewer delays.

When you buy supply only, you are in charge of the installation schedule.

You don’t have to coordinate with a separate fitting service, which means you can complete projects faster and more efficiently. Supply-only also keeps your costs lean, giving you the room to build healthier margins or pass savings on to your clients.

At Nova, we work exclusively with trade professionals. That means we never sell to the public, and we’re fully focused on helping you get what you need, when you need it, without unnecessary delays or distractions.

Benefits of Choosing Nova for Trade uPVC Windows

Working with Nova means you get support from a supplier that understands the realities of site work and the pressure of client deadlines.

We offer competitive trade pricing across all of our uPVC window products, ensuring you get real value without sacrificing quality. Our lead times are fast and reliable, so you can plan confidently and avoid unnecessary downtime.

We deliver across the UK, whether that’s to your yard, your client’s property, or directly to the site. And because we’re a trade-only supplier, you’ll never have to worry about us marketing to your customers or cutting into your business.

Our team is always here to help. We don’t rely on scripted call centres. You’ll speak to people who understand what you do and can offer practical, honest advice from start to finish.

If you’re not already set up with us, it takes just a few minutes to apply for a trade account.

Our Product Range: What You Can Expect From Our Trade uPVC Windows

We manufacture and supply a wide range of uPVC windows built to meet the varied demands of trade projects.

This includes popular options such as casement windows, which offer a simple and reliable solution for most residential properties.

For more design-led projects, our flush sash windows provide a modern, streamlined look that still performs to the highest standards.

We also supply tilt and turn windows, ideal for properties where ventilation and cleaning access are essential. Each window is available in a range of finishes, colours, and glazing styles, with custom sizing to fit your exact project needs.

From clear and obscure glazing to laminated or acoustic glass, and from standard white to popular foils like anthracite grey or golden oak, you’ll have the flexibility to deliver exactly what your customer wants, without compromise.

Why the Right Supplier Makes All the Difference

The success of your project depends not just on your fitting skills but on the reliability of your supply chain. Delays in delivery, errors in spec, or poor communication can seriously affect your schedule and your reputation.

That’s why it’s worth working with a supplier who focuses entirely on supporting the trade.

At Nova, we know how much rides on getting things right.

That’s why we prioritise accuracy, speed, and real support on every order. Whether you’re fitting one window or one hundred, we’ll help you deliver on time and to spec, every time.

Frequently Asked Questions

Do I need to be trade to buy from Nova?

Yes, we only supply to verified trade professionals. You can apply for an account online and we’ll get you set up quickly.

Can I order custom sizes and specifications?

Yes, every window we supply is made to order. You can choose the style, colour, glazing, and hardware that best fits your project.

Do you deliver to site?

We do. We offer reliable, nationwide delivery direct to your site, yard, or preferred address.

How long does delivery take?

Our lead times are fast and we’ll confirm your expected turnaround at the time of ordering. We know how important timing is to your project.

Get a Fast Quote or Apply for a Trade Account

If you’re looking for a reliable, trade-focused supplier for your uPVC windows,

Nova is ready to help. We make it simple to order exactly what you need, deliver it where you need it, and support you with honest, expert service throughout.

In this guide, we’ll explain what buying trade UPVC windows involves, why supply-only solutions are growing in popularity, and how to choose the right supplier to keep your projects moving and your customers happy.

Why Trade Professionals Choose UPVC Windows

UPVC (unplasticised polyvinyl chloride) has become the standard for domestic and commercial window installations and for good reason. Its combination of durability, thermal efficiency, low maintenance, and affordability makes it a go-to material for modern construction and renovation.

From a trade perspective, UPVC offers the perfect balance between cost and quality. 

Installers benefit from fewer callbacks thanks to its resilience and weatherproof finish, while customers appreciate the energy savings and clean aesthetic. 

Whether you’re working on a full new-build estate or a one-off home improvement project, UPVC windows offer a professional finish that’s easy to install and built to last.

What Does “Supply-Only” Mean for Trade Customers?

Supply-only means exactly that: you order the windows, we supply them, and you handle the installation. 

There’s no fitting service, no retail markup, and no middleman involved.

This model is ideal for professional tradespeople who already have the expertise to fit windows and simply need a reliable, high-quality source of UPVC windows at the right price. 

Nova works exclusively on a trade-only basis, which means we never sell to the public. When you work with us, you’re guaranteed trade pricing, trade service, and trade turnaround times — no compromises.

Better still, we offer a simple Trade Account Application process, so you can get set up quickly and start benefiting from preferential rates, product support, and fast UK delivery.

Why Buy Direct from a Trade Window Supplier?

There are plenty of reasons to skip the retail route and go straight to a dedicated trade supplier like Nova:

1. Better Margins

By cutting out the middleman, you gain access to competitive trade prices that help you protect your profit margin — or offer more competitive pricing to your clients.

2. Faster Turnaround

We know time is money on site. Our streamlined manufacturing and logistics systems mean we can turn around most orders quickly and get products to site without delay.

3. Expert Support

Need advice on specifications, regulations, or the best profile for a particular project? Our team works with trade every day and understands what you need.

4. No Competing Interests

Unlike some suppliers, we don’t sell to homeowners. That means we’ll never undercut you, take your customer, or make things awkward.

What to Look for in a Trade UPVC Window Supplier

Not all suppliers are created equal. When you’re choosing where to buy your trade UPVC windows, consider the following:

• Product Range – A good supplier should offer more than just the basics. Look for options like casement windows, flush sash, tilt & turn, and coloured or foiled finishes.
  
• Customisation – Every project is different. A flexible supplier can offer custom sizing, glazing options, and hardware configurations.
  
• Lead Times – Time is everything in this industry. Find out how quickly your supplier can turn around orders and whether they deliver direct to site.
  
• Customer Service – You need a team that knows trade, understands urgency, and is responsive when something changes.
  
• Trade-Only Access – If a supplier sells to the public, you may find yourself competing with them. Choose a partner that supports your business, not one that competes with it.
  

At Nova, we tick every one of these boxes — and we back it up with years of experience working alongside installers, developers, and builders across the UK.

Why Trade Professionals Trust Nova for UPVC Windows

At Nova, we’ve built our reputation on one thing: supporting the trade. Everything we do is designed around the needs of professionals who demand quality, reliability, and speed.

We offer:

• Exclusive trade-only supply – no sales to the public
  
• Competitive pricing across our full UPVC window range
  
• Custom manufacturing to fit your project requirements
  
• Rapid UK-wide delivery, including to site or yard
  
• Real support from real people who know the trade
  

We know that delays, miscommunication, and sub-par products cost you money — so we work hard to eliminate all three.

Frequently Asked Questions

Do I need to be a trade customer to buy from Nova?
Yes — we only supply to trade customers. If you’re an installer, builder, developer, or contractor, you can apply for an account via our Trade Application page.

Can I order custom sizes and colours?
Absolutely. We offer a wide range of custom options to suit your exact specifications.

How long does delivery take?
Lead times vary depending on your order, but we pride ourselves on fast turnaround and reliable delivery. Contact us for current timelines.

Do you deliver to my area?
We supply nationwide. Whether you’re working locally or across the UK, we can deliver direct to your site or premises.

In this guide, we’ll break down the benefits of buying composite doors for trade, why supply-only beats retail every time, and how Nova makes it easier to get the doors you need — on time, on spec, and on budget.

What Are Composite Doors and Why Are They So Popular in Trade Installations?

Composite doors are manufactured using a blend of materials — typically a solid timber or high-density foam core, reinforced with GRP (glass-reinforced plastic), and finished with a durable outer skin. The result is a robust, secure, and stylish door that outperforms traditional timber or standard uPVC in nearly every category.

For trade professionals, composite doors are a reliable, installer-friendly solution:

• They require minimal maintenance and won’t warp or swell like wood.
  
• Their multi-layered construction provides excellent strength and security.
  
• They’re available in a wide range of colours, glazing styles, and hardware finishes.
  
• They meet the latest thermal efficiency standards, helping clients reduce energy costs.
  

Whether you’re working on a new build, a renovation project, or social housing, composite doors are a proven way to deliver long-lasting quality with minimal fuss.

What Does ‘Supply-Only’ Mean — and Why Does It Matter?

When we talk about supply-only, we mean exactly that: we supply the door, and you handle the fitting. There’s no installation service, no inflated retail pricing, and no middleman.

For trade professionals, this model offers total control. 

You already have the expertise to install; you just need a reliable source of high-quality products. That’s where Nova comes in. We work exclusively with trade customers, which means:

• No sales to the public — ever
  
• Dedicated trade pricing and account support
  
• Fast turnaround times and UK-wide delivery
  
• Products built for installers, not homeowners
  

Apply for a Trade Account

5 Reasons Why Supply-Only Beats Retail for Composite Doors

1. Trade-Only Pricing

Retail prices often include markups for services you don’t need. With Nova, you get transparent, competitive trade rates designed to protect your margins and win you more work.

2. Faster Turnaround

We understand that time is critical on site. Our streamlined processes and in-house capabilities mean we can deliver faster than most retail outlets — and direct to your site.

3. Technical Support When You Need It

Need help choosing the right style or confirming Part L compliance? Our trade-savvy team is ready to help with honest, practical advice — not sales scripts.

4. More Customisation

Retailers often sell off-the-shelf products. At Nova, you get access to bespoke sizes, colours, hardware finishes, glazing styles, and locking mechanisms — all tailored to your spec.

5. No Competition from Your Supplier

We don’t advertise to homeowners or cut you out of the process. As a trade-only company, we exist to support your business — not compete with it.

What to Look for in a Trade Composite Door Supplier

Before you place an order, consider what really matters in a supply partner:

• A wide range of door styles and options
  
• Flexible sizing and customisation
  
• Short lead times and reliable delivery
  
• UK-based customer support
  
• A trade-only approach with no retail conflict
  

Nova delivers on all of the above — and more.

Design Your Composite Door Online – Built for Trade

To make life even easier, Nova offers a powerful online door designer tool built specifically for trade professionals. It allows you to design and price your door in just a few clicks — perfect for quoting, planning, or confirming specs with clients.

With the door designer, you can:

• Enter your exact dimensions
  
• Choose from a wide selection of colours, glazing styles, and hardware
  
• Add details such as handles, letterplates, spy holes, and locking options
  
• Preview your final door design before you order
  

This tool saves time, reduces errors, and gives you complete control over every detail of the door — without needing to flick through a product catalogue or make assumptions on-site.

Start Designing Your Composite Door

Why Nova is the Go-To Choice for Trade Composite Doors

With years of experience supplying the UK trade market, Nova understands what professionals need from a supplier — and we’ve built our entire business around it.

• We only sell to the trade — no public sales
  
• We offer excellent pricing across a full range of styles and finishes
  
• We support your business with fast, accurate deliveries
  
• We’re here to help — before, during, and after your order
  

Whether you’re installing a single front door or managing a full development, we’ll help you get the job done right.

Contact Our Team for a Quote

Frequently Asked Questions

Do you offer bespoke sizes and colours?
Yes — you can customise your composite door to fit your project perfectly, including colour, size, glazing, and hardware.

Can you deliver to my site?
Absolutely. We deliver across the UK and can send your order straight to site or your chosen location.

Do you sell to the public?
No. Nova is strictly a supply-only, trade-only business.

How do I get started?
Simple — just apply for a trade account, and we’ll be in touch to get you set up.