The Specialist in Traditional Sash Windows is a FENSA Registered Company.


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About Sash Window Specialists

Welcome to The Specialist in Traditional Sash Windows. We have been manufacturing, supplying and installing Traditional Timber Sash and Timber Casement windows since 1999, and throughout that time we’ve assembled a highly skilled team to give our clients the best possible service. 


During this time, we have completed a large variety of installations, supplying over 85,000 replacement windows. Alongside this experience comes a dedication to our craft, backed by excellent customer service and a raft of Accreditations to demonstrate our expertise. Underpinning it all is our dedication to sustainability. Our eco-friendly approach ensures we’re championing the environment at all times.

Don’t take our word for it, though – visit our customer reviews page to see what our happy clients are saying. 


Find out more about How We Work.

Serving London & The South-East of England

We endeavour to serve as much of the South-East of England and surrounding counties as possible and have been installing & renovating sash windows, casement windows and doors throughout these areas since our founding in 1999. We cover areas including Central London, South London, South West London, Surrey, Berkshire, parts of Kent, Hampshire, Middlesex and parts of Sussex. Please see the areas we serve for further location details.

The Home Improvement Experts

Here at Sash Window Specialists, we are committed to not only helping add value to our customer’s homes but also allowing them to save money in the long run. Whether you install new Sash or Casement windows to keep the heat in over the winter or you get one of our Single, French or Bifolding Accoya doors to change the way your home looks, enlist the help of the Sash Window Specialists for your Home Improvement.

For more guidance as well as inspiration for your home improvement project, be sure to visit The Specialists in Traditional Sash Windows blog. Here you can find all the latest tips and tricks to get the most out of your investment in your property. Of course, if you have any specific questions, please do not hesitate to get in touch with us.

Our Dedicated Workshop & Showroom

We create all windows and doors we fit, giving you a comprehensive, bespoke experience. 

Our Guildford workshop oversees the production of our windows and doors with the latest joining equipment, and you can find examples of our work at our Showroom in Cobham. Feel free to stop by and contact our office to book an appointment on 01483 440285 – we look forward to welcoming you.

Got a question?

Don’t hesitate to get in touch if you’d like to find out more about The Specialist in Traditional Sash Windows and our services, or visit our FAQs for quick answers to our most commonly asked questions.