Call 01793 700 142

Get a Free Quote

Visit our Showroom

Design your door

Buy Now Pay Later

High-quality & energy-efficient

Comp Door

Name: Comp Door
Brand: Emerald Windows and Doors
Rating: 5 (682 reviews)

Emerald is delighted to offer high-quality, energy-efficient composite doors to all our customers. Made in the UK, we cover areas in Bristol, Bath, Wiltshire, Reading, Marlborough, Berkshire, Gloucestershire, Oxfordshire and beyond.

Get a free Quote Design your door

Get a Free Quote

Composite doors in Bristol, Bath, Gloucester, and Oxfordshire

Book an appointment

Due to our innovative design and manufacturing, our composite doors are the perfect home improvement choice for homeowners looking to heighten the appearance and performance of their homes. Composite doors are incredibly strong, giving maximum protection. Emerald’s composite doors are tough, secure, and durable, giving you complete peace of mind.

When you buy an Emerald composite entrance door, you can instantly benefit from years of expert engineering, giving you a premium composite door with market-leading performance.

Why choose a comp door from Emerald?

Welcome to our detailed exploration of why choosing a Comp Door from Emerald Windows and Doors is a decision you won't regret. Our focus is on delivering not just a door, but an experience that enhances your home's security, aesthetics, and energy efficiency. Dive into the world of Comp Door, where superior engineering, diverse design options, and unparalleled performance come together to provide you with the best entrance door solution in the UK. Discover the advantages of our premium range, tailor-made to meet and exceed your expectations.

Colour Options

Over 250 colour combinations inside & out so you can create the perfect style for your home.

Strong & Durable

Made from a 48mm solid timber core for long-lasting quality.

Thermally Efficient

Outstanding 1.4 W/m²K u-Value, high energy efficiency and weatherproof.

Highly Secure

Highly advanced secure locking systems with all locks compliant with PAS24: 2016 and ABS security cylinder as standard.

Various Design Options

Chamfered or sculptured frames, multiple glazing choices and various hardware options.

Bespoke Design Choices

Tailor-made composite doors with a variety of styles to suit any home.

Low Maintenance

Minimal maintenance is required and has a life span of up to 30 years.

Get a free quote

Colour Options

Glass Options

Downloads

Colour Options

Our composite doors are available in a wide range of colours. Enquire now and remember to request a colour swatch.

Enquire here

green

blue

black

white

duck egg blue

creme weiss

golden oak

cream

anthracite grey

irish oak

agate grey

rosewood

chartwell green

schwarzbraun

Glass Options

Emerald has a vast range of glazing options for our composite doors. Whether you are looking for traditional or contemporary glazing, we have a glass selection to suit your home perfectly.

Zinc Star

Victorian Border

Simplicity

Richmond

Reflections

Prairie

New Orleans

Murano

Modena

Mayfair

Matrix

Linear

Kensington

Horizon

Greenwich

Elegance

Diamond Cut

Classic

Beaumont

Aurora

Numbers

Dorchester

Oak Park

Art Deco

Edwardian

Downloads

For more information on Emerald’s composite door range, download our brochure and to see how we can make a difference to your home project.

Enquire here

A selection of composite doors by Comp Door and Emerald Windows, featuring modern and traditional styles. This image relates to the page content by showcasing stylish, secure, and energy-efficient door options for homes.

Emerald Comp Door Brochure

This image presents a sophisticated black composite door, beautifully offset by elegant silver hardware. Notably, the sleek letterbox is thoughtfully situated halfway up the door, while a secure lock with a matching pole handle, extending half the door's length, is centrally placed on the right side. Enhancing the door's appeal, there is a striking full-length glass panel, taking up a fourth of the door's width, alongside a patterned glass panel positioned towards the top at head height, both featuring an eye-catching diamond design. The combination of these modern design elements and practical features creates a door that is both inviting and secure. Complementing the entrance is a 'Comp Door' doormat, neatly placed outside, adding a welcoming touch to this elegant entryway.

This image showcases a refined light green composite door, enhanced by luxurious gold hardware. The hardware set comprises a robust gold door knocker, a streamlined letterbox, and a reliable lock with a coordinating handle. Contributing to its allure, the door is embellished with four patterned glass panels; two larger rectangular panels are centrally located, while two smaller rectangular panels are situated at the top, offering a tasteful touch. The modern design elements combined with functional features render the door both welcoming and secure. Adding a finishing touch to the entrance is a 'Comp Door' branded doormat, placed neatly outside the door, reinforcing the home's attention to detail and hospitality.

This image features a sophisticated navy blue composite door, accentuated with elegant silver hardware. The hardware includes a sturdy door knocker, a sleek letterbox, and a secure lock with a matching handle. Adding to its charm, the door is adorned with three frosted glass panels; two rectangular ones are centrally positioned, while a unique half-moon panel sits at the top, gracefully showcasing the number '17'. This blend of modern design and functional elements makes the door both inviting and secure.

This image presents the interior view of the previously described sophisticated door, revealing the reverse side of the composite door in a striking bright white finish. The consistency in design is evident, with the same elegant gold hardware - including the sturdy door knocker, sleek letterbox, and secure lock with a matching handle - visible from this inside perspective. The four patterned glass panels, two larger rectangles centrally positioned and two smaller ones at the top, are also present, allowing a diffused light to enhance the interior ambiance. This image captures the seamless blend of style and functionality, showcasing how the door's design is thoughtfully carried through from the exterior to the interior.

This image showcases a stylish graphite grey composite door, elegantly highlighted with silver hardware. The door features a sleek letterbox uniquely positioned at its bottom and a secure lock accompanied by a matching pole handle, which extends halfway up the door and is centrally located on the right side. Adding a distinctive touch, the door is embellished with three patterned glass panels, arranged in a central diamond formation, lending a modern and sophisticated appearance. The combination of contemporary design and practical features renders the door both welcoming and secure. Complementing the entrance is a 'Comp Door' doormat, thoughtfully placed outside the door, enhancing the overall appeal and sense of welcome.

This image captures a sleek grey composite door at 'Number 4 Campion Gate'. The door is securely closed and features a striking silver pole handle that extends from the bottom to the top, paired with a silver lock and its surrounding hardware. Enhancing the entrance's aesthetic, two small bushes are neatly positioned in grey square pots, creating a welcoming and well-maintained appearance at the doorstep. The combination of modern design and natural greenery lends a sense of elegance and homeliness to this entrance.

Browse Gallery

Discover the Excellence of Emerald's Comp Doors

Welcome to Emerald Windows and Doors, where exceptional craftsmanship meets innovative design in our Comp Door collection. Crafted in the UK, we are committed to providing top-tier, energy-efficient composite doors to discerning homeowners across Bristol, Bath, Wiltshire, Reading, Marlborough, Berkshire, Gloucestershire, Oxfordshire, and surrounding areas. Our composite doors stand at the forefront of home improvement technology, offering a blend of aesthetic elegance and peak performance. Designed with your security and home's efficiency in mind, each Comp Door is a symbol of strength, durability, and peace of mind. With Emerald, you're not just choosing a door; you're embracing years of engineering excellence for a premium entrance solution with unmatched performance. Explore our gallery to discover how our Comp Doors can be the perfect enhancement for your home.

Unlock Your Dream Door - Contact Emerald Now!

Quality composite doors for homeowners

Experts have meticulously selected our range of composite door designs to incorporate the latest trends and offer timeless doors. So, no matter if you’re looking for a traditional style or something edgier, we have something to suit any property type.
High security comes as standard with our composite doors. We have worked with experts to create high-quality product designs and produced a composite door with the best possible protection and performance.

See our full composite door range

What Are the Most FAQs About Comp Door Composite Entrance Doors?

Welcome to our FAQ section on Comp Door Composite Doors by Emerald Windows and Doors. We've compiled key questions to help you understand why Comp Doors are an exceptional choice for your home. Our expertise in crafting market-leading entrance doors ensures you'll have the information needed for an informed decision.

Get a Free Quote for Your Premium Comp Door Today!

What makes Comp Door composite entrance doors stand out in the market?

Comp Door composite entrance doors are renowned for their expert engineering, combining years of experience to deliver a premium product. They boast market-leading performance, a competitive price, and are crafted using the finest components, making them the UK's top-quality composite entrance doors.

How many colour combinations are available for Comp Door composite entrance doors?

Comp Door offers an impressive range of over 250 colour combinations for both the interior and exterior, providing unparalleled customisation options to suit any home's aesthetic.

What is the u-Value of Comp Door composite entrance doors, and why is it important?

Comp Door composite entrance doors have an outstanding 1.4 W/m²K u-Value, indicating excellent insulation properties. This low u-Value means better thermal efficiency, helping to keep your home warm and reduce energy costs.

Can you describe the security features of Comp Door composite entrance doors?

Security is a top priority for Comp Door. These doors feature a highly advanced secure locking system, all locks are compliant with PAS24: 2016, and an ABS security cylinder comes as standard. This combination ensures maximum safety and peace of mind for homeowners.

Are there different frame styles available for these doors?

Yes, Comp Door provides options for either chamfered or sculptured frames, allowing you to choose the style that best complements your home’s architecture.

What our customers are saying

We pride ourselves on the hundreds of customer reviews that we have collected over our many years of trading. Why not read some of our testimonials yourself, and see how our customers have rated their experience with our service.

See All Reviews

Replacing patio door with a window

Emerald windows were brilliant. The patio door was removed and replaced with a window. All work was carried out from bricking up the outside to plastering the inside. Great work...

Read full review

Lesley B

Local Family Friendly Company

We worried about choosing a window company. We looked at all the usual national firms but we preferred the feel of a smaller local family run business as the rep...

Read full review

Stephanie C

Very Pleased

Very pleased with the whole process from Mark letting us see and touch the product in the showroom in Swindon (many don't!), to a transparent price breakdown, no "buy now...

Read full review

Casey Collins

Highly Recommended

Highly recommend Emerald Windows and Doors; new Front and back doors fitted yesterday. Cannot praise Mark the Fitter enough, courteous, friendly and very helpful. Top job with attention to detail...

Read full review

Michelle Webb

Emerald Windows – A Quality Product

Emerald windows have just installed a new composite front door to our property. We are very pleased with the product and the installers were polite, professional and have carried out...

Read full review

Richard K

Or click a platform below to leave a review:

Areas we serve

Swindon-based family run double glazing installers

With a head office in Swindon, a short trip from the motorway, we are ideally located to offer our services across Wiltshire, Reading, Bath, Bristol, Marlborough, Berkshire, Gloucestershire, Oxfordshire, and other surrounding locations.

Emerald provide and install home improvements in all materials – uPVC, aluminium and traditional timber. No matter what material you choose, you can be sure we’ll provide you consistent quality – our work is always finished to the highest standards, whether you’re installing 2 windows or 20!

Book a home visit View our showroom

News from Emerald

Why not read through some of our informative blogs, written in the aim of answering frequently asked questions on all things home improvement related.

See all news

News

Why more homeowners are choosing casement windows

May 13, 2025

When it comes to upgrading or replacing windows, homeowners across Britain are increasingly choosing casement windows, and it’s not hard to see why. The casement style is the most popular in the UK. Why? Because casement windows offer a winning...

News

7 reasons to invest in window shutters for your home

May 10, 2025

If you’re thinking about updating your window coverings, shutters might not be the first thing that comes to mind. If you’ve always been a ‘curtains’ type of person, you might be reluctant to try anything else. But once you’ve seen...

Composite Doors

Composite Front Doors: The Key to Style, Security, and Long-Term Value

April 16, 2025

Combining the strength of a solid timber core with the durability of a glass-reinforced plastic (GRP) skin and the insulating properties of foam, composite doors deliver exceptional performance. Their energy efficiency, enhanced security and resistance to weather make them a...