Theydon Windows and Doors are specialists in both Commercial and Domestic Double Glazing
We have been supplying and installing Bi-fold doors, all types of Windows and Doors, Traditional Sash Windows and Bespoke Glazing Projects for many years and have completed many successful installations for customers right across Essex and London. Originally a family business, Theydon Windows and Doors have gained a reputation for traditional craftsmanship and quality. We have a range of products and services including, cutting glass, Upvc and aluminium windows, doors, toughened glass, mirrors, shower screens and more.
About Us
At Theydon Windows and Doors, we’re proud to be a local double‑glazing specialist serving homes and businesses across Essex and London. With over 30 years of experience behind us, our reputation for traditional craftsmanship, personal service, and high‑quality finishes speaks for itself.
As a family‑rooted company, we handle every project with care, guiding you through the process from initial consultation to installation—no sales team involved, just direct communication with knowledgeable glazing experts.
Whether you’re considering bi‑folds, sash windows, bespoke glass features, or full conservatory solutions, we offer a wide range of aluminium, uPVC, composite, and timber products designed to enhance energy efficiency, security, and aesthetic appeal—all backed by free, no‑obligation quotes and a commitment to realistic timescales and competitive pricing
Get in Touch With Us
01992 252 200
Our Reviews
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
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Quality Finishing
Browse what you’re looking for.
Windows and Doors
Theydon Windows and Doors products will make your home more comfortable, secure, efficient & attractive.
Windows and Doors
Theydon Windows and Doors understand the complexity of commercial design. Keeping within the brand of a business and style of a building.
Windows and Doors
Theydon Windows and Doors work on industrial buildings and with business on projects. We can help with the planning stages of any new development.
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