Trusted, local family run business.
Derwent Sash Windows Ltd is a family run business that has been serving the East Midlands and surrounding areas since 1994.

100% double guarantee.
Derwent Sash Windows Ltd provide a full 10 year insurance backed guarantee. Bygone Collection windows also come with a 10 year manufacturers guarantee, giving you complete peace of mind.

No hard sell.
Derwent Sash Windows do not believe in the 'hard sell'.
We offer a free, no-obligation quotation and consultation.
A visit from one of our specialist advisers means no high pressure selling. We do not offer fake unbelievable discounts, just a fair quoted price.

A typical consultation takes about 30 minutes and can be arranged in the comfort of your own home, where you will be shown a fully working sash window or you can arrange to make an appointment and visit us at our showroom in Codnor, Derbyshire.

A quotation will follow within 2 days.