The Window Clinic
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The Window Clinic
Installing high quality windows and doors across Selhurst, Croydon, Thornton Heath and South Norwood, The Window Clinic is one of South East London and Surrey's best double glazing companies. Choose from a huge range of products including uPVC, composite, timber and aluminium windows, doors and conservatories.

We specialise in traditional timber-look upvc sash windows, ideal for Georgian, Victorian and Edwardian properties, as well as modern replica 1930s and 1940s windows. Whatever the style, your new double glazed windows will be energy efficient and secure. Ask our friendly consultants for free advice and find out about all the latest products available on the market.

Family-run and employing a reliable and highly skilled team of staff, we endeavour to give you the best price first time, every time. Get a simple and hassle free service with The Window Clinic - in just 5 easy steps! Benefit from expert advice and a quality installation service from your trusted local installer.
Services
The Window Clinic is a family run home improvement company, installing a wide range of high quality windows, doors, conservatories and roofline products across South East London, Kent and Surrey. Established in 1996, we've improved thousands of homes over the last 20 years, making us one of the most skilled, experienced and popular double glazing specialists in the South London area.
Here at The Window Clinic, we're specialists when it comes to installing the highest quality windows. We offer an extensive product range to choose from, including casement, sash, and timber effect windows, as well as secondary glazing. Whatever the needs of your property, The Window Clinic are sure to be able to provide the perfect windows for you.
A versatile style suited to a range of traditional and modern properties, casement windows from The Window Clinic are incredibly popular thanks to their beautiful aesthetics and practical ventilation options. Secured by Design, rated A for energy efficiency and available in an array of different configurations, casement windows are a versatile window suited to a range of properties.
Utilising authentic woodgrain foils, timber effect windows are made of durable, easy to maintain uPVC with the look and feel of real timber. Perfect for homeowners looking for an easy to maintain window, timber effect windows from The Window Clinic are suited to both modern and traditional homes. Our timber effect windows are mechanically jointed in order to emulate the construction methods of real timber windows.
At The Window Clinic we're specialist installers of sash windows. Combining traditional elegance with modern practicality, the classic design of sash windows makes them well suited to the looks of traditional homes. Sash systems from our range combine modern energy performance with authentic heritage window features, such as deep bottom rails, putty line glass lines and decorative sash horns.
Reviews (3)
Luke Fisher
Luke Fisher
Dec 28, 2020
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Just had a set of hardwood French doors fitted. Fantastic quality product and I could not fault the installation team, very professional, polite, tidy, and a great fit and finish. really recommend.
Will Howlett
Will Howlett
Dec 20, 2019
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From the initial site measurements through to installation the service and communication was excellent. The turnaround time was surprisingly quick and the end products really good quality. We’re in the middle of a full house renovation and it was great to have one less thing to worry about and be taken care of by a safe pair of hands. Very happy
Emily Strachan
Emily Strachan
Nov 24, 2018
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I had my kitchen window done. The fitter turned up as scheduled
The guy was so professional. He got on with it no fuss. The end he did a brilliant job. The windows look amazing. Can't fault this company. Would recommend all day long.
Thank you