Design, supply & fit windows to your specification

Theydon Windows and Doors understand your windows are a key feature to any property. They provide light, ventilation, protection and sound insulation. Your Windows can also be a statement piece in the architecture of a build.

Theydon windows and doors

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    Why Upgrade With Theydon Windows and Doors

    • Improve energy efficiency

    • Enhance home's aesthetic appeal

    • Increase property value.

    • Improve home’s security

    • 100% free no-obligation quote

    Experienced & insured Window & Door Fitters in London, Essex & Herts

    • FREE quotes
    • 10 year guarantee
    • CERTASS registered
    • Individually managed jobs
    • Own in-house installation team

    Finance your windows and doors with Kandoo

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    Finance your windows and doors with Kandoo

    Materials & Style

    Choosing the right windows for you


    When choosing your windows for your home or commercial project there a number of considerations.

    • Are they going to look good?
    • Are they correct for the overall design of the building?
    • Will they provide the highest levels of security and safety?
    • Are they energy efficient windows?
    • What colours do they come in?
    • Can I have matching doors & roofing?
    • Do they come with a guarantee?

    We only use the suppliers take advantage of the latest window engineering technology. They come in a wide range of designs to suit all styles of buildings and tastes. Gone are the days of white only double glazed windows. In other words we are pushing boundaries with designs.

    You should feel safe in your home and at work. All our windows are designed, tested and certified to meet the highest standards of security, providing you with maximum security.

    All our windows exceed the stringent energy efficient targets that help minimise heating bills and keep out noise. Therefore, you will enjoy a warmer and quieter home with lower energy bills.

    We are Certass registered installers to you can have piece of mind that our work is guaranteed.


    Certass Logo
    Theydon Windows and Doors UPVC

    UPVC Windows

    uPVC framed windows are highly energy efficient and secure, uPVC windows are a cost-effective and the most popular window material of choice.

    Theydon Windows and Doors Aluminium

    Aluminium windows

    Aluminium framed windows are a great alternative to timber, PVC or steel due to the lightweight construction and durability.


    Theydon Windows and Doors Wooden windows

    wooden windows

    Our wooden double glazed windows add character and the beauty of natural wood to your home with our.  Suitable for period or listed buildings.

    Theydon Windows and Doors Bespoke

    Bespoke windows

    We are up for a challenge, and creating bespoke windows either to replace an existing window or to custom fit a newly designed building is something we love doing.


    Theydon Windows & Doors Stain glass

    Stain Glass windows

    If you are looking to repair or restore your existing stain glass windows, our very skilled crafts team can help.


    Theydon Windows and Doors Sash windows

    Timber Box Frame

    Sash windows are renowned for their traditional, classic and elegant look and give a touch a class to any home. They are now available in the traditional wood or uPVC finishes.

    Theydon Windows Timber Box Frame

    White Timber Window

    The reason they are called timber box sash windows is that the windows sit in a box frame that has the workings inside it. 


    Double glazed windows Essex

    Theydon Windows and Doors have over 30 years of experience trading in Essex and local areas. We are competitively priced for all windows, doors and conservatories. Theydon Windows and Doors offer an outstanding service.

    We are experts in supplying & installing quality glazing products for domestic or commercial projects. Our glazing is efficient, secure & improved soundproofing.

    Our professional installers are fully qualified trained. This ensures the installation improvements to your property are completed to the highest standard that will last for years. And above all for peace of mind, all our products come with a 10 year insurance backed guarantee.

    Colour Charts

    Standard Foils

    White Foil


    Cream Foil

    7016 Grey

    Chartwell Green


    Irish Oak

    Golden Oak


    Special Foils


    7012 Grey


    7015 Grey


    7016 SM Grey



    7038 Grey

    Dark Green

    7155 Grey

    Dark Red

    All colours are representative only – please ask to see a foil swatch booklet for accurate colours and finishes. * Not all products are available on all colours.

    Great job. Very pleased with quality of work. Extremely pleased with the each and every person who was involved with the work. All were keen workers, happy to comply with the covid restrictions we all should abide with. We would highly recommend this company. We would use them again.

    Checkatrade – Barnet January 2021

    Ricky and his team fitted two sets of high spec crittall style aluminium doors and I couldn’t be happier. They were punctual, polite, hardworking and knowledgeable. I would highly recommend them and will definitely use again for any further work required.

    Enfield – Septemeber 2020

    How WE Work

    We walk you through the entire process


    Get in touch

    We don't use a sales team, you will speak directly with someone that knows all about the glass industry.


    Goals & Expectation Setting

    We will listen to your goals of your project. No matter how big or small, adventurous or basic and provide the perfect glazing solution.


    Showings & Offers

    We only supply the highest of quality products. We can show samples and designs of all our existing work. 


    Quotes & Timescales

    We pride ourselves on competitive prices on our windows and doors. We also believe in realistic timescales. 

    uPVC Windows & Doors - Essex & London

    We can supply and install high quality windows and doors at affordable prices across Essex including all the following areas:

    Abridge, Billericay, Brentwood, Broxbourne, Buckhurst Hill, Cambridge, Chelmsford, Chigwell, Chingford, Dunmow, Enfield, Hackney, Harlow, Hertford, Hoddesdon, Leyton, Leytonstone, Loughton, Ongar, South Woodford, Waltham Abbey, Wanstead, Woodford and more

    Finance your windows and doors with Kandoo

    Instant decision

    No impact on your credit score

    Kandoo Finance