The best

conservatories in Essex

Whether you are replacing an old conservatory or extending your home with a new one. We can create that perfect enviroment for you. We have been building conservatories for home owners all over Essex and London.

Theydon Windows and Doors Conservatory

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home extensions


Are you’re looking to replacement your existing conservatory? Or expanding your home, adding room and brightness. Theydon Windows and Doors are experts in conservatory design and installation. Available in a number of styles and finishes to fit your budget.  

The life expectancy of a conservatory used to be an average of ten years. With today’s technology, the use of high quality materials, experienced installers and proper maintenance, a uPVC conservatory could last around 25 years.

Theydon Window and Doors Conservatory Lean Too

The Lean To

Theydon Window and Doors Conservatory Lean Too

The Victorian

Theydon Window and Doors Conservatory Lean Too

The Victorian P

Theydon Windows and Doors Edwardian Conservatory

The Edwardian

What conservatory designs are there!

  • Victorian conservatory
  • Edwardian conservatory
  • Orangery
  • Gable conservatory
  • Loggia conservatory
  • Lean-to conservatory
  • Garden room
  • Combination conservatory

Common problems with conservatories that we can fix

  • Leaking Roofs
  • Too Hot
  • Faulty Doors
  • Too Cold
  • Condensation

As with all technology and products things improve. The design of conservatories and the materials being used are consistently being developed and we are at the for front of using them.  


Theydon Window and Doors Conservatory
Theydon Window and Doors Conservatory
Theydon Window and Doors Conservatory
Theydon Window and Doors Conservatory

Affordable conservatories in Essex and London

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.

Get the conservatory of your dreams. A beautiful living space transformation, replacing an old conservatory or creating new. We have designs and styles to fit all your requirements with the finest craftsmanship.   

Theydon Window and Doors can help with planning permission advice for your conservatory if needed. But you are likely not to need it if is going to be smaller than 50% of the area around your ‘original house’ and less than 30 square metres of floor area. Planning permission is your responsibility more information can be found at the Planning Portal or


Ricky did such a great job! He came round and gave me a really good quote with lots of different options to make sure we were happy. He did a fantastic job and made sure we were happy with everything. Ricky and Tony were so polite and tidy and worked through 30degree heat and blazing sun to get the job done. I would recommend to anyone.

Checkatrade – London June 2020

Ricky and his friend were prompt to arrive, very quick and efficient and very clean. I felt happy to leave hem in the house when I had to go out. I thoroughly recommend

Checkatrade – London September 2019

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

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