GP Windows & Doors

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