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Bring the magic and charm of the historic Victorian era to your home with beautifully crafted double glazed timber sash windows in Surrey.

The Window Sanctuary are the leading experts in sash windows across Surrey covering areas including Redhill, Croydon, Kingston, Surrey and Guildford – delivering the highest quality workmanship for the ultimate protection and enjoyment of your home. This style of the traditional window not only looks great but confers high energy efficiency standards through strong insulation from winter draughts, ensuring comfort and warmth all year round.

Enhance the charm of your Surrey home with our traditional timber sash windows that create a stunning visual effect.

Our energy-efficient sash windows are designed to complement your home, offering a light and bright feel to any room while ensuring security and protection.

Relax on your patio on a warm and sunny day with our ultra-slim sliding patio doors that bring the outside in, enhancing your experience. Our bespoke-made sliding or folding doors maximise your glass area space, keeping your family safe with the latest protection and security.

Create a new style for your home with our beautiful timber casement windows that offer a historical and traditional impact.

Avail of our FREE consultations on timber sash windows and sliding doors in Surrey. Visit our showroom or call us at 01959 565343 for more information.

Contact us now for the highest quality casement and sliding sash windows in Surrey.


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.


Discover the best selection of timber sash windows in Surrey. Contact us today for a free quote or visit our website to explore our exceptional range of timber sash window products.

Our Google Reviews

  • Great family company. Quality workmanship. Highly recommended.

    Mark Childs Avatar Mark Childs
    July 4, 2021
  • 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
  • If you've ever built a house you'll appreciate how hit and miss glass contractors can be, but The Window Sanctuary stand out as reliable, good quality and easy to deal with. The guys turned up on time, worked really hard and did a fantastic job. I wouldn't hesitate to recommend this company.

    Rebecca Stiasny Avatar Rebecca Stiasny
    February 24, 2021
  • The Window Sanctuary replaced all my old Crittal Windows with slimline heritage aluminium windows to retain the period look of my grade 2 listed property and furthermore replaced the old rotten timber sash windows with new hardwood timber sash windows bringing the property back to life. The guys were hardworking very knowledgeable and very professional I wouldn’t hesitate to recommend this firm highly enough Warm regards Fraser Owen

    Fraser Owen Avatar Fraser Owen
    April 4, 2022
  • 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