Business Details
30 Years
experience
Trusted Window & Door Specialists in Croydon
Window Clinic is a family-run double glazing specialist established in 1996, serving South East London, Kent, and Surrey. With over 35 years of combined industry experience, our team delivers high-quality windows, doors, and conservatories tailored to traditional and modern properties. We specialise in sash window replacements, timber-effect uPVC solutions, and composite doors, prioritising energy efficiency and security. As FENSA-registered installers, we provide insurance-backed guarantees and adhere to rigorous quality standards. Our approach combines expert advice with transparent pricing, ensuring no pushy sales tactics and a commitment to competitive first-time quotes.Our skilled installers work efficiently, maintaining cleanliness and offering post-installation support. We pride ourselves on customer satisfaction, with final payments only due upon complete approval. Our product range includes casement windows, bi-fold doors, and roofline solutions, all designed to enhance property aesthetics and functionality. Backed by Which? Trusted Trader accreditation, we maintain a reputation for reliability and craftsmanship. Our director, Graham, personally oversees projects to ensure excellence, reflecting our dedication to quality and client-centric service.
Services
Casement Windows
Sash Windows
Composite Doors
Bi-Fold Doors
Secondary Glazing
Timber-Effect Windows
Roofline Installations
Conservatories
Entrance Doors
uPVC Windows
Details
- Year established: 1996
Highlights and features
- We have over 35 years of experience in the double glazing industry.
- We specialise in sash window replacements for period properties.
- We guarantee competitive pricing with no hidden fees.
- We provide same-day or next-day quotes without pushy sales tactics.
- Our installations are FENSA-registered with insurance-backed guarantees.
Associations and certifications
- FENSA
- Which? Trusted Trader
What people say
Expert advice
Quality installations
Friendly staff
Competitive pricing
No pushy sales
Services
Casement Windows
Secure and energy-efficient casement windows in uPVC, aluminium, or timber. Customisable with various colours, decorative glazing, and opening options to suit all property types. Ideal for enhancing insulation and security while maintaining aesthetic appeal.
Sash Windows
Replacement sliding sash windows in painted timber or uPVC, perfect for Victorian or Georgian homes. Features include internal architraves, window boards, and original-style hardware for authentic period aesthetics.
Composite Doors
Durable composite doors with a solid wood core, offering superior security and energy efficiency. Available in Secured by Design accredited designs, with fibreglass coatings for long-lasting, fade-resistant colour options.
Secondary Glazing
Adds an extra thermal barrier to single-glazed windows, reducing heat loss and noise. Custom-manufactured with noise-cancelling glass and versatile frames for improved insulation and soundproofing.
Roofline Installations
uPVC fascias, soffits, and guttering in a range of colours and profiles. Enhances weatherproofing, durability, and aesthetic appeal while requiring minimal maintenance for long-term performance.
People
Graham
Director
With over 35 years in the double glazing industry, Graham oversees all projects personally. His expertise ensures quality installations and customer satisfaction, reflecting his commitment to excellence and transparency.
Questions
What services do you offer?
We specialise in windows, doors, conservatories, and roofline products, including casement, sash, and composite options tailored to your property's needs.
Are your installations FENSA-registered?
Yes, all our window and door installations are FENSA-registered, ensuring compliance with building regulations and insurance-backed guarantees.
Do you offer free quotes?
We provide no-obligation quotes within 24 hours, with options for same-day or next-day site visits to ensure accurate pricing.
Can you replace period-style windows?
Yes, we specialise in traditional sash windows for Georgian, Victorian, and Edwardian properties, combining authentic design with modern energy efficiency.
What areas do you cover?
We serve South East London, Kent, Surrey, including Croydon, Selhurst, Thornton Heath, and South Norwood.
How do you ensure customer satisfaction?
We prioritise transparent communication, competitive pricing, and post-installation support, with final payments only due upon your complete approval.