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Carolyn Tremlett
The lads turned up on time after a sms stating they were on their way. They were amazing.
Composite Door Replacement in Portsmouth
Professional composite door replacement service across Portsmouth and the wider PO area. Fully guaranteed, locally based, and ready to help today.
Why Composite Door Replacement Matters in Portsmouth
A composite door replacement in Portsmouth is the ultimate upgrade for your home's entrance. Composite doors combine a glass-reinforced plastic (GRP) skin with a solid insulating core to deliver the elegant appearance of a traditional timber door with none of the maintenance headaches. Across this historic naval city, from period properties near the Spinnaker Tower to modern homes in Southsea and Fratton, composite doors are rapidly becoming the most popular choice for homeowners who want the best in security, insulation, and style. Portsmouth's island geography and constant exposure to sea air makes composite doors an ideal choice, as they won't warp, rot, or fade like timber alternatives.
Our composite door replacement service covers every part of Portsmouth and the surrounding PO area, including Copnor, Hilsea, and North End. We offer an extensive range of composite door styles, from classic panel designs to contemporary flush doors, in over 20 colours with matching or contrasting frames. Every door features a high-security multi-point locking system with anti-snap, anti-pick cylinders, and many of our doors carry Secured by Design accreditation. You can personalise your door with decorative glass panels, sidelights, and premium hardware to create a truly bespoke entrance near the Historic Dockyard and throughout Portsmouth.
Choosing Restoration Glazing for your composite door replacement in Portsmouth means getting a premium product installed by experienced professionals who care about quality. Our composite doors are up to six times more thermally efficient than standard timber doors, significantly reducing heat loss through your front entrance. Every door is manufactured to your exact specifications and installed into a reinforced outer frame for maximum structural integrity and security. We handle the full process from design consultation to final handover, including responsible disposal of your old door. All composite doors fitted in Portsmouth come with our comprehensive guarantee covering the door, frame, hardware, and installation workmanship.
Premium Materials
GRP skin over a solid timber core delivers the look of real wood with virtually zero maintenance required.
Superior Security
Secured by Design accredited options with high-security cylinders and robust multi-point locking systems.
Exceptional Insulation
Up to six times more thermally efficient than a standard timber door, keeping your home warm and quiet.
Our Composite Door Replacement Process
1
Design Consultation
Choose your door style, colour, glass design, and hardware from our extensive composite door range.
2
Detailed Quote
We provide a transparent, fully itemised quote including door, frame, hardware, and installation.
3
Precision Installation
Your new composite door is expertly fitted into a reinforced outer frame for maximum security and performance.
4
Quality Handover
We demonstrate all features, hand over keys and documentation, and confirm your complete satisfaction.
Customer Testimonial
Southampton
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Patsy Achilles
Kyle has been amazing. Two new windows fitted with no mess. These are really good quality.
Customer Testimonial
Eastleigh
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Andrew Dixon
First rate service. Good price. Good communication. Polite and effective. Got the job done well.
Customer Testimonial
Portsmouth
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Gail Johnston
Lovely chaps, polite, helpful, quickly fixed shattered patio door
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Andrew Heppleston
Third time I have been in need of their services, - punctual, friendly and efficient, highly recommended!
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Nick and Sandra Clothier
Great communication. Paul was very thorough and dealt with our sticking patio doors. Although he came a little later than arranged we were kept fully informed and were able to track his journey. Very friendly. Pleased with the price of the work.
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Jay-Lee Saunders
Had a new sliding patio door fitted and new glass in our garage back door. All fitted beautifully by the team and all within 2 hours. Our old doors and glass were taken away and area cleaned up. Couldn't be happier with the results. Would recommend to anyone.
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James Harrington
Great service, work to a high standard and a competitive price. Great job all round, thank you.
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Dennis Wagstaffe
A big thank-you to the Restoration+ Glazing team, 1st class service from booking to completion. Very friendly staff highly recommend. Many thanks Den.
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David Thompson
Very professional team. They repaired our front door lock and replaced a cracked pane of glass. All done within an hour. Brilliant!
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Lisa Crawford
Cannot fault this company at all. From the initial quote to the finished job, everything was handled professionally. Highly recommend.
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Mark Stevens
Used Restoration Glazing for a complete house of new windows. The quality is superb and the fitters were friendly and tidy.
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Emma Richardson
Prompt and reliable service. Had two misted sealed units replaced and they look brand new. Great communication throughout.
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Paul Bennett
Top quality work. New composite front door fitted and it looks stunning. The guys were really helpful with colour choices too.
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Karen Phillips
Absolutely brilliant service. Fixed a problem that two other companies couldn't sort out. Fair price and lovely team.
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Robert Clarke
Had new UPVC windows throughout the house. The whole process was smooth from quote to installation. Highly recommended.
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Janet Morris
Wonderful service. They replaced our conservatory roof glass and it has made such a difference. Professional and courteous team.
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Chris Walker
Really impressed with the speed and quality of the work. Broken window handle replaced and door realigned in under an hour.
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Deborah Young
Used them twice now, once for misted glass and once for a new back door. Both times the service was exceptional. 5 stars!
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Neil Patterson
Very competitive pricing and top notch workmanship. Our new bay window is beautiful. Thank you Restoration Glazing!
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Michelle Taylor
Couldn't be happier! The team replaced all our fascias, soffits and guttering along with new windows. Transformed the house.
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Simon Rogers
Quick response to an emergency call out when our patio door glass smashed. Secured same day and replaced within the week.
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Angela Cooper
Excellent from start to finish. New French doors installed and they are gorgeous. The lads cleaned up after themselves too!
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Gary Hughes
Third time using this company and as always, brilliant job. This time for replacement sealed units. Always my first call for glazing work.
Areas We Cover in Portsmouth
Southsea
Fratton
Copnor
Hilsea
North End
Baffins
Eastney
Milton
Cosham
Drayton
Anchorage Park
Stamshaw
Ready for Composite Door Replacement in Portsmouth?
Get your free, no-obligation quote today