We supply and install both external doors & glass internal doors

We believe in offering the high quality products with expert advice.
We will help you choose the best for your home or business at the right price.

Theydon Windows and Doors

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    Experienced & insured Window & Door Fitters in Essex & Herts

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

    Finance your windows and doors with Kandoo

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    Door Installation in Essex

    We install doors interior & exterior; composite, uPVC, aluminium, biofold, patio or 100% glass. Made to your exact specification. Installing all across the south east of England, by our fully qualified installers.

    The front door is the first thing you see whether it be on your home our your business and first impressions count. With a huge range of doors we want to make sure you choose the right door for you. It can add value to your home and your business appearance.

    We can create internal doors suitable for homes and businesses, a great way to partition rooms and not lose light within the property.

    You don’t want to forget the rear of your property, which is why we also offer a range of replacement doors that offer excellent home security and to enhance the appearance of any home, including our bi-fold doors, French doors and our new great range of COR Vision patio doors.

    Theydon Windows and Doors  

    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.

    New range

    COR Vision patio doors

    with 25mm interlock

    Slimline cor-vision sliding patio door system design permit the maximum luminosity with a minimal visible section of aluminium. It is now possible to cover large openings with a glass surface of 94%. It allows the placement of glass panes up to 54 mm thickness, which guarantees the best acoustic and thermal performance in a system with these characteristics.

    Cor-Vision Sliding System is available in configurations of fixed, sash 2 and sash 4 sashes, and the maximum dimensions are 4,000 mm / sash width / height.
    It has a visible section of just 25mm and has the possibility to totally inlay the bottom, lateral and top frames.
    It comes with the possibility of motorised opening for weights upto 700kg and manual opening for up to 400kg. Additional it allows the placement of multipoint lock system by operating rod, with or without key.
    The rollers are placed in the frame and the sashes Count with a stainless steel reinforced channel which makes the sliding movement smoother.
    This is a system with a traditional procedure of assembling with a perimeter frame, 45 degree cut, and straight cut in the sashes, which allows the disassembly of the sash in case of the glass breaking or with any damages to the aluminium profile.
    Theydon Windows and Doors Aluminium

    Aluminium Doors

    Aluminium is one of the strongest materials used for doors, making it an ideal choice for front and back doors as well as bifold, French and patio doors

    UPVC Door


    With uPVC you get high quality, at a reasonable price. uPVC exterior doors are strong, hard wearing and durable, making them extremely secure.

    Composite Door Theydon Window and Doors

    Composite DOORS

    The door is made of a clever combination of materials, which makes them one of the most secure, low maintenance and thermally efficient doors available. 

    Bi-Folds Theydon Window and Doors


    Bi-Fold Doors are doors that slide open whilst the panels themselves fold and stack up against the wall leaving a concertina effect.


    Contact us for a quote 

    Call Theydon Windows and Doors Now!

    Essex & Herts Windows and Doors specialist having over 30 years experience in the double glazing Industry. We offer energy efficient frames, water tight seals, where noise is an issue we minimise noise from the outside world and all at competitive prices.

    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.

    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