Windows from Derwent Sash Windows

There cannot be a more quintessential style of window. Simple in design and elegant in proportion, sash windows remain the most beautiful and efficient style of window ever created.

Windows Showroom

Derwent Sash windows are proud to offer a complete range of sash windows. A visit by appointment to our showroom in Derbyshire will help answer any questions you may have and you can see the full range of working sash windows we have to offer. From the very latest Timber jointed wood effect sash windows, to traditional pulleys and weights specialist conversation sash windows. Make your appointment today to see our stunning collection of sash windows, fitted into brick reveals with hand dressed Derbyshire stone work and internally finished with period architrave and stub cills – our sash window collection is unrivalled.

Energy efficient, Secure & authentic, the perfect collection of sash windows will reduce heat loss by 74%, compared to single glazed wooden windows. Choose the first sash window to obtain Secured by Design endorsement from the Police.

Please click to view a portfolio of our window installations >>>

Engineered Timber Sash Windows

Our specialist Engineered Timber Sash Windows are unmatched in quality with industry leading guarantees.

Factory applied micro-porous coatings, using a three coat paint or stain system in a vast selection of colour options, providing maximum protection but minimal maintenance.

Multi-layer engineered timber sections to resist warping and twisting, keeping your windows functioning beautifully all year round.
Available with sashes hung on pre-tensioned cords, chains or our hidden spring system. Made to measure specifically for the requirements of you and your home with fully customisable glazing bar designs. Enhanced thermally insulating glass creating glazing units almost twice as effective as ordinary double glazing, with internal beading (fitted from room side) for optimum security. Extensive range of elegant ironmongery options in a selection of finishes. Beautifully smooth sliding sashes that are a pleasure to use

Bygone Collection High Performance Wood Effect UPVC Windows

Bygone Collection Wood Effect UPVC Windows

Bygone collection sash windows are the market leader in an authentic sash window in PVCu. All Bygone Collection PVCu Sash Windows are manufactured in a state of the art factory to exacting standards to your requirements here in the United Kingdom. Independently vetted by the British Board of Agreement to guarantee our claims of longevity, (20,000 opening cycles to simulate 20 years endurance testing, on the complete window, including balances, hardware and Georgian bars). You have the choice of three different Bygone collections to consider for your home. Whilst each has the same attention to detail, build quality and exclusive Bygone locks and handles, they offer you an array of choice to ensure your new windows fit your home and budget!

Visit our specialist sash window showroom and see if you can tell which sash windows are the wood effect PVCu product and which are the timber sash windows – we think you’ll be amazed at the quality of the bygone collection sash window.

Sash Windows Showroom

If your serious about sash windows, be sure to book an appointment to visit our showroom. With over 7 different styles of sash windows on display, you will be able to see all the different options available to ensure you get the perfect sash window for you. You will only buy sash windows once, time spent wisely at the initial consultation stage will ensure you give your home the quality it deserves.