Why Choose
Green Double Glazing?

We have been the first choice for thousands of satisfied customers in Croydon, Purley, Wallington, London, Surrey & Kent.

Your Investment, Our Commitment

Trusted & Experienced Installers

Choosing a reliable company for window, door, conservatory, or porch installation is crucial. At Green Double Glazing, we ensure high-quality products and expert installation that enhances your property’s value.

Excellent guarantees on all products
Skilled and experienced team with 40+ years of industry knowledge
Family-run business focused on superior customer service

Our Brands

Delivering the Best for Over 40 Years

Quality Workmanship & Exceptional Service

Over the years, we have carried out many projects; from small window repairs to complete commercial property installations. We continue to grow every day and constantly over look our products and services, so we can offer the best to our customers.

Conservatories

Energy-efficient glazing keeps your conservatory warm in winter and cool in summer.

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Doors

Multi-point locking systems for enhanced safety. Choose from composite, uPVC, aluminium, bi-folding, French, and patio doors.

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Other Products

Modern and elegant solutions for interiors and exteriors. Custom-sized for kitchens, bathrooms, and living spaces.

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Porches

Custom-sized for kitchens, bathrooms, and living spaces. Creates an additional barrier against heat loss and unwanted visitors.

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Roof Products

Protects your home from water damage and enhances its appearance. Better insulation for all-year-round use.

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Windows

Double and triple glazing options to improve insulation and reduce energy bills. Available in casement, sash, tilt & turn, bay, and more.

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Testimonials

We have become a popular choice for many and that’s because we supply and install high grade Windows, Doors, Conservatories, Porches, Roof Products and Glass Products. At Green Double Glazing, we employ excellent workmanship and strive to deliver the best to every client we work with.

Professional, friendly and I’m thrilled with the result. I would and have recommended to a friend!

Miss Kay – Worcester Park

Green windows were fantastic! Reliable, professional, friendly and did a great job! Would definitely use them again in the future!

Miss Joyce – Mitcham

Did a good job at a fair price

Mr Garrett – Tadworth

Green windows offered an amazing quote for our replacement large front window

Ms Riley – Lewisham

The salesperson was informative but not pushy. They kept us informed of progress at all stages. The fitter was top grade, great finish on rear door and they cleaned up and took old door away

Mr Gee – Crystal Palace

Very satisfied with overall performance of the sales person and great communication from sales team

Mr & Mrs Head – Purley

Very satisfied with knowledge of sales staff and after sales service

Mrs Penneck – Sutton

Very satisfied with installation on schedule, quality of installation and overall performance of fitter

Mr Mackman – Purley

We are very pleased with the result and particular thanks to you for your attentive service”. Very satisfied with overall performance of fitters and after sales service