Sash Windows Logo

For the most authentic, butt jointed windows

Finding the right windows for your project, new build or replacement is a big decision. The manufacturers on this site make standard windows and ones with Timberweld® joints. They will be delighted to supply windows and they’ll have a network of installation companies near you.

Please use the window designer software, fill in the form so that the process of providing you with quality windows can start or call us on:

01376 510410

Design your own windows

Our master installers will be pleased to provide an estimate for your project, based upon the styles and sizes (approx is fine) you select. Just request a quotation and say how you’d like to be contacted.

Get in touch

Contact us at anytime! We pride ourselves at the speed of return on quotations, normally same day, often within 3 hours.

This form is currently undergoing maintenance. Please try again later.

Find Us

We welcome all enquiries, please email or call us and we’ll be happy to help.

Duchy Investments Ltd,
4 Crittall Road,
Witham, Essex,
United Kingdom

T: CALL 01376 510410


Opening Hours

  • Mon-Fri9:00am - 5:00pm
  • SaturdaysBy appointment

“Using TIMBERWELD®, we can offer a more upmarket and authentic range of products, opening up opportunities for us. TIMBERWELD® products now make up approximately 20% of our business and we are faring better than most.”.

Managing Director of Thermaseal