GP Windows & Doors
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Services
Customer Reviews
Write a review10 /10
Based on 5 reviews over the past 12 months
Quality of work
10
Reliability
10
Communication
10
Reviews (44)
10 Composite Front Doors Repair
Posted 31 October 2025
Quick and efficient.
Came same day. Fixed my front door and replaced catch on bathroom window and at a reasonable price. I am very satisfied.Verified reviewerJob location: PO410 Double Glazing Repair
Posted 02 September 2025
Very happy customer!
Very happy with the work carried out. Good communications from George to arrange a date, who carried out the repairs with no fuss and in a good time frame. :)Verified reviewerJob location: PO810 UPVC Windows Installation
Posted 30 August 2025
Amazing Product & Service
Just had my entire house windows replaced, Both george & kieran carried out the work to a very high standard. The quality of product they use also appears to be top. Will be hiring them again to work on other upgradesVerified reviewerJob location: SO1810 UPVC Windows Installation
Posted 25 August 2025
Amazing service
George and Kieran were amazing throughout. Professional and polite. It can be daunting for some, with strangers in the house but they were friendly and respectful. The finish was great and it was a quick turnover.Verified reviewerJob location: PO210 Bay Windows Installation
Posted 23 August 2025
10/10 service
10/10 service with gp windows! Fitted windows perfectly and even lent us a hand with handy work in the house. Would 100% recommend and will be using again. Thank you!Verified reviewerJob location: PO310 Composite Front Doors Repair
Posted 29 January 2025
Solidor front door Repair
I had my front door repaired, and I couldn’t be happier with the service! George from GP windows & doors was professional, efficient, and did a fantastic job making the door look and function like new. They arrived on time, explained everything clearly, and left the area spotless. Highly recommend for anyone needing door repairs!Verified reviewerJob location: PO2
Photos
Company Info
Owner
Mr George Parratt
Sole Trader
3 years on Checkatrade
VAT Registered
No
Welcome to GP Windows & Doors - Portsmouth.
GP Windows are an installations and repair company based in Portsmouth, Hampshire. We specialise in quality installations of Windows, Doors, Conservatories and Roofline.
With over 15 years’ experience and knowledge in the trade, we pride ourselves on high quality installations that are a cut above the rest.
It's clear that many companies do not share our passion for getting it right, so with this in mind we pursue partnerships with trusted manufacturers and suppliers that can provide the reliability and levels of service that we expect to provide to our customers.
Why choose us?
Our prices are competitive.
We provide a personalised service and work closely with our customers and suppliers.
We are specialists in UPVC Windows and Composite Door installations.
Free, no obligation quotations.
90% of our work is through recommendation.
We only use top quality products and trusted manufacturers
We can supply and install a wide range of products for you.
• Aluminium & UPVC Windows
• Composite Front Doors
• Bay & Bow Windows
• Bifolding Doors
• Inline Sliding Doors
• French Patio Doors.
• Sliding Sash Windows
• Flush Sash Windows
• Tilt & Turn Windows
• Fascia, Soffits and Guttering
• Cladding and Weatherboard
• Integrated Blinds
• Double/Triple Glazing
• Conservatory Roofs
•Porches and Door Canopies
•Internal Window Cills, Trims and Mastic
•Glass Roofs, Polycarbonate Roofs, Lean-to Roofs
• Door Repairs and Door Adjustments
•Conservatory Leaks
•Replacement Hinges, Handles, Locks
•Fogged Double Glazing
•Catflaps and Pet Doors
Experienced in installing and repairing VELFAC composite windows and doors.
Specialist installer of uPVC Fascia, Soffit and Gutters.
Hi, I'm George and this is my business.
I've been a self-employed window fitter for over 10 years and I have worked as a subcontractor and fitter for various companies in Hampshire.
Measuring, installing, and repairing windows and doors in residential properties on a daily basis. Over the years I've worked on an array of different properties. The majority of my work has been local, although I've ventured out and worked in Manchester, London, Winchester, Oxford, Camberley, Southampton, Warminster, Newbury, Salisbury and the Isle of Wight over the years.
I've even been lucky enough to install some windows and doors on a property in Luz, Portugal a few years ago.
I've previously worked as an installer for Executive Windows, Futuremost Windows and Westcott Construction.
In 2017, whilst working for Westcott Construction, I was involved in the installation of over 500 windows and doors in a new housing development named 'Loveden Fields' in the village of Kings Worthy, Hampshire.
On a site with over 50 plots, at Loveden Fields I was instructing a small team of installers over a period of