Quality Products at Competitive Prices

Windows, doors and conservatories supplied and fitted for the lowest prices. Start your free online quote and see how much you could save.

Why Choose Us?



We proudly work in conjunction with Liniar and other industry leading names. The best possible products, specially made for your home.



Get instant online prices for windows, doors and conservatories. See how much you could save with Window Installation Services.


Domestic & Commercial

Window Installation Services offer our competitive double glazing rates to both the domestic and commercial industry.



View Product


View Product

Our Services

Supply and Fit

Professional supply and fit service for windows, doors and conservatories.

Modern Showroom

Our recently refurbished showroom is fully staffed and showcases a vast selection of our products.

Friendly Experienced Team

Our team of window and door installers have been trained to the very highest standards.

Commercial Services

We have experience in working on commercial buildings. We also supply a range of products for the trade market.

Site Inspection

Before completing and work, we’ll ensure the proposed site is both safe and suitable for your recommended products.

Repair Services

Window Installation Services offer delicate repair work, helping to keep your windows and doors in perfect working order.

Our Products

Start Your Quote

Start Your Quote

Free, Instant and Competitively Priced

Online Quote

Composite Door Designer

Instant Composite Door Prices

Design your Doors

Latest News

uPVC Bow and Bay Windows Milton Keynes

uPVC Bow and Bay Windows Milton Keynes

uPVC Bow and Bay Windows in Milton Keynes Are you looking for a way to completely transform and enhance your Milton Keynes property? Would you ...

seven bones

Composite Front Doors Milton Keynes

Luxurious composite front doors in Milton Keynes Composite front doors offer the ultimate Milton Keynes home improvement for luxury style. They ...

Buckingham door prices

Aluminium Bi-Fold Doors Leighton Buzzard

Enrich Your Leighton Buzzard Lifestyle with Aluminium Bi-Fold Doors Here at Window Installation Services, we offer a range of aluminium bi-fold ...

See More News


Get directions to our showroom

uPVC Windows uPVC Windows
uPVC Doors uPVC Doors
Composite Doors Composite Doors
Conservatories Conservatories
Aluminium Aluminium
Start My Quote