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Transform your home into a stunning tribute to the historic Victorian era with expertly crafted timber sash windows.

The Window Sanctuary is your go-to source for top-quality sash windows in Kent, including Westerham. Our skilled team delivers exceptional workmanship for superior protection and enjoyment of your home. With this traditional window style, you can elevate the appearance of your home while enjoying high energy efficiency standards and optimal insulation against winter draughts. Stay comfortable and warm all year round with our exquisite sash windows.

Enhance the charm of your home in Westerham with beautifully crafted traditional timber sash windows that exude history and elegance.


The Window Sanctuary specializes in designing bespoke timber sash windows to complement your Westerham home, creating a stunning visual effect and offering better insulation and security.

Experience a free consultation on traditional timber sash windows in your own home in Westerham, Kent with one of the The Window Sanctuary’s experinced advisors.

We will install beautiful timber sash windows that present a visual impact, and add a sense of elegance to your home.


Contact us today at 01959 565343 or visit our showroom to learn more.

Energy saving performance

Our timber sash windows are highly energy efficient with an impressive overall U value of 1.5 w/m2k. When paired with energy-saving thermafloat warm-edge sealed units, they can achieve an outstanding U value of 1.1 w/m2k. Our windows feature Q-Lon seals to provide maximum protection against draughts, and the ultra-tight lockable furniture is PAS 24-compliant. We offer a wide selection of high-quality fittings in various finishes that complement our windows.


A rigorous 5-stage process ensures that each of our products is protected and painted, and can withstand the elements with minimum maintenance.

Our method is:

Stage 1 – A chemical dip to minimise moisture absorption
Stage 2 – A chemical dip to protect against fungi, insect infestation, and mould growth
Stage 3 – Application of primer and undercoats using micro-porous products
Stage 4 – Spray finish first coat according to your colour choice
Stage 5 – Spray finish second coat

Micro-porous paints allow all timber fibres to be penetrated and to build up protection from within, unlike cellulose paints which form a skin on the outer face and require time-consuming treatments on a regular basis. To keep new products in pristine condition, we recommended a quick wipe down and a further coat be applied after approximately 7 years.

Windows for conservation areas

Our timber sash window products will sympathetically replicate the original designs and can accommodate high-performance, slimline, sealed units to satisfy the requirements of your local Conservation Officer.

 we install TIMBER SASH WINDOWS in westerham

Our Google Reviews

  • Delighted with the new windows that we just had fitted. They are top quality and look amazing. They were very professionally fitted, with great attention to detail. I thoroughly recommend them.

    Scott MacDonald Avatar Scott MacDonald
    November 27, 2020
  • We recently had a new front door and windows fitted. Very efficient service from start to finish with everyone extremely helpful. The fitter was very careful especially bearing in mind it was raining on the day of fitting. Would definitely recommend.

    Chris Shortman Avatar Chris Shortman
    February 23, 2021
  • Really enjoyed dealing with the Window Sanctuary. The office team are very friendly and courteous and the installation team were good fun and very thorough. The finishing touches were beyond my expectations. We're delighted with our new windows and the enhanced view they provide.

    Tim Glynne-Jones Avatar Tim Glynne-Jones
    March 9, 2022
  • Very professional. I have used other window companies before but the service provided by them left much to be desired when compared to Window Santuary. Any snagging problem was promptly sorted out by the management promptly and to our satisfaction. The workers were very punctual, came daily and stopped only when fully finished. I would highly recommend this window company to others.

    Raghu Lall Avatar Raghu Lall
    October 30, 2019
  • Great customer service. Good quality product. We needed a door adjustment and they have sent someone the next day.

    Lucy NNN Avatar Lucy NNN
    March 3, 2021