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Dunster House Ltd started out as specialist uPVC windows and doors manufacturer, although we now also make entire garden buildings. We have been developing our windows and doors over decades to provide our customers with the best and most secure option available on the market for buildings large or small!

High Quality, Low prices

We are able to keep our prices low, and our products high quality because we make all our windows our self at our Bedford factory.

That's why our customers keep coming back for more, year after year.

With our own work force, vehicles and manufacturing capability we are never reliant on outside agents to uphold the standards we've set.

And because we sell direct, with no middle man, our name is synonymous with simply unbeatable value for money.

Why not write to us?

Post any of your enquiries across to our sales team at:

Dunster House,
Factory 1,
Caxton Road,
Elms Farm Industrial Estate,
MK41 0LF


Please ring for an appointment
Tel: 01234 868628


  • Monday to Friday: 08:30 to 17:30
  • Saturday: 09:00 to 17:00
  • Sunday: 10:00 to 16:00
  • We are open most Bank Holidays from 09:00 to 17:00

Our Customer Services Department is open Monday to Friday 09:00 - 17:00. For after delivery queries, please contact our customer service department by this contact form, by email to, or by fax (01234 272 588) or by post.