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Carolyn Tremlett
The lads turned up on time after a sms stating they were on their way. They were amazing.
UPVC Window Replacement in Portsmouth
Professional upvc window replacement service across Portsmouth and the wider PO area. Fully guaranteed, locally based, and ready to help today.
Why UPVC Window Replacement Matters in Portsmouth
UPVC window replacement in Portsmouth is one of the most effective home improvements you can make. Whether your existing windows are draughty, difficult to operate, or simply looking tired, new UPVC windows transform both the appearance and performance of your property. Across this historic naval city, from homes near the Spinnaker Tower to residential streets in Southsea and Fratton, we're helping homeowners upgrade to modern, energy-efficient glazing that keeps homes warmer in winter and cooler in summer. Portsmouth's island geography and constant exposure to sea air makes high-performance windows particularly beneficial, protecting your home from the elements while reducing your carbon footprint.
Our UPVC window replacement service covers all of Portsmouth and the wider PO area, including Copnor, Hilsea, North End, and surrounding neighbourhoods. We offer a comprehensive range of window styles including casement windows, tilt-and-turn windows, sliding sash windows, and bay or bow configurations. Every window is manufactured to precise measurements using premium multi-chambered UPVC profiles and fitted with A-rated sealed units as standard. You can choose from a wide palette of colours and woodgrain foil finishes to complement your Portsmouth property, whether it's a modern build or a character home near the Historic Dockyard.
Choosing Restoration Glazing for your UPVC window replacement in Portsmouth means working with a trusted local Hampshire company that manages the entire process from survey to installation. Our fitters are experienced, fully insured, and take pride in leaving every property clean and tidy. We remove and dispose of your old windows responsibly, and every installation is backed by our comprehensive guarantee covering both the frames and the sealed units. With new UPVC windows in Portsmouth, you'll enjoy reduced energy bills, enhanced security with multi-point locking systems, improved sound insulation, and a fresh, modern look that adds real value to your home.
Energy Efficient
A-rated double and triple glazed units that dramatically reduce heat loss and lower your energy bills year-round.
Wide Style Range
Casement, tilt-and-turn, sliding sash, and bay windows in a variety of colours and woodgrain finishes.
Professional Installation
Fully qualified installers ensure every window is fitted to exacting standards with a comprehensive guarantee.
Our UPVC Window Replacement Process
1
Free Consultation
We visit your home, discuss your requirements, and measure every window opening precisely.
2
Bespoke Quote
You receive a detailed, no-obligation quote covering all windows, glass options, and installation costs.
3
Expert Installation
Our experienced fitters remove your old windows and install your new UPVC frames with minimal disruption.
4
Final Inspection
We check every window for smooth operation, proper sealing, and a perfect finish before sign-off.
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 UPVC Window Replacement in Portsmouth?
Get your free, no-obligation quote today