DL Windows have been supplying and installing windows, doors and conservatories in Chippenham and across Wiltshire since 1968.

Contact our team today to discover our wide range of products and find out why we’re the supplier and installer of choice for all our clients. We guarantee a quality service and great workmanship at an affordable price.

Contact Us


Family run business, trading in Wiltshire since 1968

Professional tradesmen

10-Year Guarantee on all work

Highest quality products at a price that suits your budget

Our products are all A rated for energy efficiency

Price Match Promise – we will beat any like-for-like quote

Solidor logo

Discover Our Door Designer

Design your dream door using our Door Designer below!

conservatory with a tiled roof and bifold doors

Better Way To Build

hup! is the revolutionary new way to extend your home and create beautiful, bright living spaces quickly, with minimal disruption to your home and family.



We offer free, impartial advice with no obligation to place an order with us. Book an appointment with our team and we’ll be able to survey your property, provide expert advice and guidance on products that will suit your property and offer a free quote for your consideration.



Extremely Pleased

The task – to replace a tired old conservatory and incorporate an existing front porch all under an energy efficient tiled roof. The team at DL Windows carried out the design and build with great efficiency and we are extremely pleased…

Kerry Walsh

Highly Recommended

The first time we used DL Windows was to replace our conservatory. We’ve had them back again to install new windows throughout the house, as well as a new front door. The whole process with the team has been so easy…

Luisa Fort

Very Pleased!

We are very pleased with the quality of the windows and of the workmanship of your team. We have been delighted with the service from D.L. Windows Ltd throughout and will recommend your company to others.

Mrs Edwards, Devizes


DL windows are a brilliant firm from start to finish. From the initial contact to the first visit and then the surveyor we felt confident that what we wanted would be completed to the highest standard. We were kept informed all the time and had a follow up call to…

Hazel Brinkworth

Very Helpful

Mark and Ellis did a brilliant job installing a new side door to my garage and kitchen window. They worked extremely hard and the finish was excellent as are the products. My experience was first class from start to finish and the staff at DL windows are always…

Ruth Oliver

Frequently Asked Questions

Where Are You Based?

We are a Wiltshire-based company and cover the entire county. Our main headquarters are located in Calne and we also have a showroom in Swindon.

Do You Have Any Guarantees?

How Long Have DL Windows Been In Business?

photo of white sliding doors with a grassy hill in the distance

Where to Find Us

Head Office / Showroom,

  • 7 William Street,
  • Porte Marsh Industrial Estate,
  • Calne,
  • Wiltshire,
  • SN11 9BN

Swindon Showroom

  • Studley Grange Garden Centre,
  • Hay Lane,
  • Wroughton,
  • Swindon,
  • SN4 9QT