Diamond Range Composite Doors

We install GRP Composite Doors across Winchester, Kings Worthy, Arlesford, Bishop’s Waltham, Cheriton, Hambledon, Bournemouth, Southampton, Romsey, Petersfield, Ferndown, Winton, Ringwood,  Portsmouth, Hampshire, Chichester, West Sussex, Wiltshire, Surrey, Dorset and surrounding areas.

Read More Request Your Quote

Diamond Range GRP Composite Door Prices


Quality Product for Your Winchester Home

Our Diamond Range GRP Composite Doors offer the Winchester homeowner style, security, thermal efficiency and more. We use a quality profile that is manufactured with the best materials. In doing so, you’ll not only make your home stand out from the street; you’ll improve your home whilst doing so.

Composite Front Doors Fleet
GRP External Doors Hampshire, Dorset
Images and Colours are a guide only and may not be exact. Other colours may be available on request

Lasting Looks

Our Diamond Range GRP Composite Doors are designed to match the style of your Hampshire or Dorset property. We offer these doors in three different styles, Bohemia Contemporary Collection, Classic Collection, and Cottage Collection. Each design can be customised to suit your home, with 5 standard colours, 4 standard plus colours and 15 premium colours available. This means you can truly get the best look for your property.

  1. 1
    Quality GRP Door Skin
  2. 2
    21st-Century Locking
  3. 3
    Long-Lasting Design

Colour Options

Upvc Window Colours
Cream uPVC Windows
Window Colour Option Chartwell
Upvc Colour Options Winchester
Window Colour Option Golden Oak
Rosewoof colour option Winchester
Double Glazing colour options
Double Glazing Colors
Window Colour Option

Request Your Quote Today

Request your online quote for windows, doors, bifolds doors, conservatories, orangeries, roofs and much more!

Withstands the Elements

These doors are designed with water resistant polymer composite rails. This helps to protect the core of our GRP Composite doors, preventing water ingress. This means your skin won’t delaminate. removing other high maintenance issues that can be common with older timber doors.

GRP Composite Door Prices Winchester, Hampshire
GRP Composite Door Intallation Hampshire, Dorset

Doesn't Compromise on Looks

Our Diamond range GRP Composite doors are the perfect timber door replacement, offering the perfect woodgrain finish. These doors are designed with symmetry and balance in mind. The woodgrain finish itself is developed from oak tree grain to create an authentic appearance.

Contemporary & Traditional Glass Looks

To ensure you get the perfect look for your Hampshire or Dorset home, we offer a range of glass options for our Diamond Range GRP Composite Doors. We offer both traditional and contemporary glasses, helping you to create a focal point on your door. For those wanting to improve the thermal performance of their home, we also offer double and triple glazing options, designed to maximise natural light.


GRP Composite Doors for My Hampshire Home

Visit Our Showrooms

Visiting one of our showrooms is a fantastic way to see our windows and doors for yourself. Both our showrooms are open by appointment only. If you'd like to visit our showroom, click here to book an appointment. Alternatively, you can call our Winchester showroom on 01962 840 780 or the West Parley showroom on 01202 283610 to book an appointment.

GRP Composite Door Features

Through offering a composite door with a glass-reinforced polyester skin (GRP), we can offer an extremely durable door. These front doors will continue to retain their appearance and will not be easily scratched. Through using the GRP skin in our Diamond Range GRP composite doors, your door will enjoy excellent protection against the changeable elements.

Even after constant exposure to the worse of the Hampshire or Dorset weather, our GRP composite doors retain their quality. Despite looking like timber, these doors will not warp, split, bow, crack or discolour. They require very little maintenance, only needing the occasional wipe down with a damp cloth to maintain the good-as-new look.

Through purchasing our GRP Composite Doors, you’ll save money on your energy bills. These doors are manufactured to be 19% more thermally efficient than a 48mm solid timber core composite door. The core of the door will trap in pockets of warm air, helping to maintain a warm temperature within your home.

Even in the cold winter months, our GRP composite doors will retain heat in your home. This will lead to you relying less upon your central heating, leading to lower energy bills and reducing your home’s carbon footprint. The doors also offer excellent insulation properties, so when you close your door, loud noises will be kept outside.

The Hampshire or Dorset homeowner can sleep peacefully knowing our GRP Composite Doors are designed to protect their home. These doors are fitted with high security multi-point locking systems as standard. This lock is insurance-approved, removing any potential weak spots from across the frame. Our GRP Composite Doors are fitted with the 3-Star Cylinder solution as standard, or the ABS Ultimate 3 Star Diamond Euro Cylinder, which comes with a £1,00 security guarantee.

To provide you with more peace of mind our GRP Composite Doors are the real deal, these doors are fully accredited. We offer doors that meet BS: EN 6375, PAS24:2016 for weather and security performance. These GRP Composite doors also hold a Q-mark for enhanced security and Secured by Design accreditation.

View Our Composite Door Brochure & Video



Start a Diamond Range GRP Composite Door Quote

If you’d like to get one of our Diamond Range GRP Composite Doors for your home, don’t hesitate to get in touch. You can call our team on 01962 840 780 or fill out our online contact form. A member of our team will then be in touch to book a home appointment, after which we will be able to offer a price that has been tailored to your exact specifications to help make things as cost-effective as possible.

In the mean-time, you can start a free quote. Simply select your product and we will be in touch to book your appointment.

Or call us today to book an appointment to either our Winchester or our West Parley showroom.

County Windows

Our Testimonials

See what our customers have to say about their experience with County Windows!

I would like to record my delight at the work done by Andy. What a pleasant man and what a wonderful craftsman.

So very, very good.

Many thanks

Bournemouth - October 2021

The two workmen were not only very professional in dealing with the installation, clean and tidy whilst working, both obviously happy in their work, good sense of humour and very patient when explaining how to lock and unlock the doors. I thank you all at County Windows for all your work.

Winchester - August 2021

Work was done efficiently and in a friendly way. Would certainly recommend!

Winchester - May 2021

We were well received in show room with information but no pressure. Kept informed all the time. Fitter very pleasant and did a good clean job.

Southampton - April 2021

Good quality work and thorough attention to detail.

Petworth - April 2021

Helpful sales staff and door fitted within promised timescale. Quick and efficient and tidy on completion.

Ashley Cutler
Winchester - January 2021

We would recommend County.

Margaret Lions
Bournemouth - October 2020

Very professional business- customer focused and excellent craftsmanship.

Scott Foster
Winchester - August 2020

Very efficient and professional work.

Eastleigh - March 2020

Every part of the service was efficient and friendly, from the first phone call to completion.

Romsey - March 2020

Had front door installed today. Very efficient and tidy. Did it in awful weather! Thanks for doing a great job. Door looks amazing and feels very secure.

Kevin Drobecz
Winchester - February 2020
Thank you to you and all your colleagues involved in the project.  Without exception, everyone we have had on site has been a delight.  Everyone, from the word go has worked exceedingly hard to get the job done and, considering the weather, in exceptionally hard, cold and wet circumstances.  The guys have all been so helpful, polite, professional, courteous and friendly and nothing was too much trouble.
Double Glazing
Winchester - February 2020

My Conservatory is now complete. It looks wonderful. I would like to thank Gary and Greg for doing a great job outside and inside. They tended to every minor detail. The pair are a credit to your firm. I would also like to thank Nigel for overseeing all of the work.

Wiimborne - January 2020

Thrilled to bits with it all. Thankyou!

Double Glazing
Olivers Battery, Winchester - March 2018

I was invited to inspect every factor of their work on completion which, as stated, was of the highest standard.

Double Glazing
Kings Worthy, Winchester - July 2018

I wouldn’t hesitate to recommend or use County Windows again.

Customer in
Winchester - August 2017

Before retiring my husband worked for over 30 years in the industry so knew what standard of work he wanted from the various tradesmen. He could not fault any of them and we got the finished job we had hoped for. We are very happy and can highly recommend County Windows to anyone else considering them for similar projects.

Mrs Tomkin
Ferndown - March, 2019

County Windows replaced our conservatory roof, the installation team put our minds at rest from the very start. They did a fantastic job, and after the three days it took to do the job you would not have known they had been there. Our conservatory now looks great, thanks to all at County Windows, especially the installation team.

Conservatory Roof
Southampton - April 2019

I’m writing to say how pleased we are with our new conservatory roof. I have not contacted you before as we have been waiting for it to rain and it passed with flying colours. Also, my wife and I must mention the fitters, Jamie and Danny. We cannot praise them enough, they were always on time, kept us in the loop as regards to finishing off, the attention to detail was first class and they were pleasant to deal with. All in all, a very nice pair of lads. Thank you.

Conservatory Roof
Bournemouth - May 2019

I would like to thank you and the team for the replacement of our door and windows. It was a big concern to us and we spent some time deciding on who to order with. The team were polite and left the house looking clean and tidy, nothing was too much trouble.

Replacement Door & Windows
Eastleigh - May 2019

I just want to say how pleased we are with the re-glazed conservatory. It is a massive improvement and turned out every bit as nice as we expected. Your two people, Mark and Simon, were a pleasure to deal with, very considerate and did an excellent job on the installation and the finishing.

Conservatory Improvement
Bournemouth - June 2019

A very professional company No pressure selling. The installation team had a very high standard of workmanship with good time keeping and kept a tidy working area They also sent a installation manger to make sure we were ok with progress. Would recommend this company.

Mr Emery
Eastleigh - July 2019

A truly excellent job completed to a very high standard and with the minimum of disruption.

Mr Froud
Poole - August 2019

Excellent installation. Very professional. Would recommend. Top service!

Mr Fincham
Southampton - August 2019

Excellent service from survey/sales to installation.

Mr Cole
Eastleigh - August 2019

Excellent service from quote to installation of windows. Conscientious and courteous service.

Mrs Withers
Winchester - January 2022

Superb service throughout. The price was reasonable, follow up excellent. The fitter did a superb job at removing old unit and fitting new one. He was cheerful throughout the whole process. He left leaving no mess whatsoever. I will definitely use County Windows (Winchester) in future.

Mrs Scott
Winchester - January 2022

Excellent products service and workmanship wouldn’t hesitate to use again.

Mrs Wallace
Winchester - January 2022

We had 5 windows fitted in December 2021 and have been very pleased with them. This is a nice company to deal with and I highly recommend the installation team who were skilled, courteous and took the trouble to consult us on the fine details of the installation.

Mrs Renshaw
Winchester - January 2022

Let's Talk

* indicates required fields

Industry leading Accreditations

CO2 Energy Rating
BSI logo
C. E. Mark
Made In Britain
Fensa Registered Company

County Windows - Quality Windows, Doors, Conservatories and Much More!

We have showrooms across the south including Bournemouth and Winchester, with teams based throughout Hampshire and Dorset.