Walthamstow Windows

Double Glazing, Doors & Conservatories,

Covering East London & Essex

Sash Windows from £899 Quality Casement Windows Assure Certification

What We Do

Our replacement double and triple glazing is manufactured using high quality uPVC and is available in a range of styles, including casement, tilt and turn, and bay windows. We also offer heritage look sash windows to improve the insulation of traditional properties. White windows are an ever-popular choice, but we also offer 50+ frame colours and even timber alternative windows. Every one of our windows is unique, but all our double glazed windows are made and fitted to exceed current standards, achieving an ‘A’ rating for energy efficiency and conforming to the latest security standards.

Who We Are

Purchase your new double glazing, doors & conservatories from Walthamstow Windows, a family owned, family run window company serving Walthamstow and East London. Based in Walthamstow, we’re ideally placed to offer home improvement services in Leyton, Chingford and Highams Park. We offer a wide selection of products, including everything from high quality, traditional white windows to bespoke double glazed projects and home improvements. There’s sure to be something in our extensive product range to match your home and your needs.

Where To Find Us

We are based in Walthamstow and work throughout South Woodford E18, Leytonstone E11, Leyton E10, Chingford E4 and the surrounding counties. We also work throughout the UK on special projects. Why don’t you contact us on 0800 702 2584 to see if we can work in your area?

Assure certification

Certification from Assure guarantees our installations are carried out by competent professionals and meet all current standards.

Heritage aluminum french doors

heritage aluminium doors & windows

Crittall style windows & doors installed in 6 weeks!

Alitherm Heritage aluminum doors & windows provide the ideal solution for those that wish to have the heritage styling, with modern day performance. Available in single door, french doors, doors with side lights and windows, they are sure to compliment any home.

Alitherm Heritage aluminium profiles utilise Smart’s innovative polyamide thermal break technology which creates a barrier between the cold air outside and the warm air inside. This technology significantly reduces thermal transmittance and enhances the overall U Value of a product and is designed to meet the exacting requirements of Document L 2010.

Alitherm Heritage aluminium products are available in a choice of standard or non-standard colours, including metallic, dual colour, Smart’s Sensations textured, and Alchemy anodised effect finishes.

Single door £2099.00 + VAT inclusive of fitting and warranty.

View Alitherm heritage brochure Read More

Bespoke uPVC Sash Windows in
Walthamstow, Leytonstone, East London & Essex

Any Size uPVC Sliding Sash Windows £899.00 + VAT, including double glazing & fitting.
Call today to make your appointment


view sash windows brochure Read more

Award Winning Double Glazing from Veka.

Walthamstow Window Company Ltd offer Veka double & triple glazed casement windows in a wide array of colours and configurations.

Energy A rated, Argon filled glass units provide the performance, while the internal aluminium reinforcement provides security and longevity.

Call us for a complete guide to creating your tailor made uPVC windows.

view veka upvc brochure read more

origin doors & windows logo

The finest quality aluminium products, manufactured in Great Britain by Origin.

Walthamstow Window Company Ltd, proud partners of Origin.

An integral part of this is the Origin Window collection which consists of two options – the OW-70 and the OW-80. Both stunningly designed and exceptionally finished, the key difference between the two systems is the sightlines.
Both are completely bespoke to your requirements as Origin’s flexible production process gives you the freedom to customise your window to perfectly complement your needs. What’s more, with uncompromising security features used across both systems, your home will stay safe whatever option you choose.
Like all Origin products, their windows are guaranteed for up to 20-years, so you can relax knowing that your windows will last for years to come.

view origin doors brochure View origin windows brochure read more

The Origin Slimline
Window (OW-70)

Beautiful, elegant and simplistic, the Origin Slimline
Window is designed for spaces where maximising glass
and light is essential.
Built from a high-grade aluminium with an impressive
65mm frame, the Origin Slimline Window is as strong
as it is sleek. Its ultra-slim sightlines will not only deliver
aesthetically, but its innate strength will ensure your
home is kept secure.

The Origin Premium
Window (OW-80)

Modernising the design of traditional 19th Century
timber windows, the Origin Premium Window is a highly
durable and blissfully functional solution that’s perfect
for the 21st Century.
With an exquisite internal and external flush casement
and unrivalled thermal performance, the Origin
Premium Window also offers the added benefits of
hassle-free maintenance and being manufactured from
a premium grade aluminium for long-term reliability.


Our Video

Benefits of new double glazing, doors & conservatories.

Composite Doors in Walthamstow, Leytonstone & East London

The Walthamstow Window Company have a huge range of composite doors, in many styles and colours. Manufactured from 48mm thermally efficient solid timber core with a coloured thermoplastic skin which has a realistic woodgrain effect.


view solidor brochure read more

Our Product Range

Perfectly Engineered Double Glazed Windows and Doors

We continuously deliver quality windows and doors to both domestic and commercial customers in the UK. With a team of highly skilled installers, we are able to offer various smooth and wood grain uPVC windows and doors. By using state-of-the-art machinery combined with traditional techniques, you can count on our team to meet the highest possible standards.

As a customer-focused company we strive to achieve 100% client satisfaction. From your initial call with a member of our friendly team to the completion of your installation by a professional fitter, you can expect outstanding customer service at all times. Whether coming to us for sash windows, casement windows, composite doors or bi-folding doors, the service always remains the same – first rate.

uPVC Double Glazing Walthamstow

Double glazing from The Walthamstow Window Company’s quality range of replacement windows are a cost-effective solution if you want to enhance the aesthetics of your home externally, whilst creating internal benefits too. Our double glazing units boast a range of benefits for you and your home. Our replacement windows can be matched seamlessly to the rest of your property and help to enhance its character.

Or, if you want to create a focal point, opt for coloured windows or an elegant bay replacement. Energy efficiency: all of our replacement windows are installed with thermally efficient double glazing asstandard. This keeps your window looking clean and shiny, and will help to reduce your heating bills. Walthamstow Windows offer an extensive range of uPVC casement double glazing, sash windows, and tilt and turn window styles, suited to the demands and aesthetics of every property.

Why Choose Walthamstow Window Company Ltd?

  • Reliable teams of registered Assure Certified installers
  • Established, family-run company serving East London and the surrounding counties
  • Years of experience and superb attention-to-detail
  • Specialists in high-quality, uPVC, composite doors and casement windows
  • A customer-focused company which takes pride in the service we provide
  • Products come with a 10-year guarantee and we are fully insured
  • Branded, market leading products available in a wide range of styles and designs

We serve East London and the surrounding areas, with Walthamstow, South Woodford, Leytonstone, Leyton, Chingford and Highams Park, being just a few of the many locations our company covers.

Searching for bespoke double glazed windows and doors in the East London area? Call us today on 0800 702 2584

or use the contact form below to arrange a free consultation and quotation.