...Windows Doors and Conservatories...


Welcome to Fortress Windows, We are suppliers and installers of the highest quality and energy efficient uPVC Conservatories, Doors and Windows.

At Fortress Windows we pride ourselves on the excellent reputation we have gained, for which we have received many good reviews, some of which can be seen in our testimonials section. We supply and install only the finest quality uPVC, with the latest technology, backed by a totally professional service. With over 21 years experience we can advise on the most appropriate installations that can save you money on your energy bills and help to reduce your carbon footprint

Fortress Windows are based in Leeds and are ideally located to serve the whole of Yorkshire.

The Fortress Promise...

"No Salesman, No Pressure, No Haggling, If we wouldn't put it in our own homes, we won't put it in yours"

Company Profile

At Fortress Windows we have over 21 years experience in supplying and installing uPVC windows doors and conservatories. We only install WHS Halo PVC-U frames manufactured to exacting standards. Fortress Windows are FENSA registered installers of uPVC Windows, Doors & Conservatories.


For a no obligation quote please use our online quotation form.