We have been helping people in Dronfield buy stylish windows, doors and conservatories for over 20 years now here at Don Valley Windows. 18 new and exciting colours, new foiled finishes, a fully comprehensive range of composite doors all with a thermal A rating give us that vital edge. Browse our website and call us for some expert advice.

Double Glazing

Located to the south of Sheffield, we have been installing our award-winning double glazing windows and doors in Dronfield and Chesterfield since 1991. Our VEKA matrix 70 system profiles are perfectly suited to every style of a home be it a Victorian terrace or new detached home. Double or triple glazed with sealed units which carry a full 20-year warranty set us apart from most of our competitors. All our installers are CERTASS approved to ensure you receive a high specification exacting fitting service from us.

Composite Doors

Buying a new composite door for your home has never been easier and has never before included an unrivalled amount of choice for our growing number of customers in the Chesterfield and Dronfield area.

Always a hugely popular addition to the home, composite doors have style, thermal efficiency and a variety of high-security options for all of our new customers.

Low threshold options are also available making it easy to access your home for everyone.


When you want to bring the outside in or add extra space and another room to your home, conservatories from Don Valley Windows are the best way to enjoy natural light every day, throughout the year. A conservatory can transform your home and help to add a whole new experience in relaxing and admiring your garden.

Manufactured using our A-rated window frames and high specification argon filled glass sealed units we can offer a fully comprehensive 10-year warranty on the fitting and the frames and an incredible 20-year warranty on the sealed units.

Getting in touch has never been easier. Use the online forms for contacting us or call 0114 2855973