Windows and Doors in Harrow (39)

Looking to upgrade your home with new windows or doors? Whether you’re after sleek aluminium frames, traditional timber sash windows, or easy-care uPVC, you’ll find the right fit, and the right tradesperson, here in Harrow.

Reputable window and door companies in Harrow

From boosting energy efficiency to improving security and kerb appeal, updating your windows and doors is one of the smartest ways to invest in your home. And with rated and reviewed tradespeople ready to help, it’s easier than ever to get the job done right.

Search for window and door contractors in [Locatinon], compare customer reviews, and request quotes, all in a few clicks.

What to expect from hiring a window and door company in Harrow

Common jobs requested in Harrow include:

• Replacing old or damaged windows
• Fitting new uPVC or aluminium frames
• Installing or upgrading external doors
• Repairing double glazing or resealing units
• Adding secondary glazing or triple glazing

Average prices in Harrow for windows and door services

Windows and doors installation:

Expect to pay £6705 on average, with prices typically starting at £4648 up to £9635.

Bespoke windows and doors:

Expect to pay £1971 on average, with prices typically starting at £1215 up to £3266.

Window installation costs in Harrow

Double glazing installation:

Expect to pay £4257 on average, with prices typically starting at £2723 up to £6600.

Triple glazing installation:

Expect to pay £4134 on average, with prices typically starting at £2555 up to £6548.

uPVC windows installation:

Expect to pay £6647 on average, with prices typically starting at £4723 up to £9368.

Bay windows installation:

Expect to pay £4838 on average, with prices typically starting at £3486 up to £6664.

Timber / Wooden windows installation:

Expect to pay £4159 on average, with prices typically starting at £2309 up to £7060.

Aluminium windows installation:

Expect to pay £7507 on average, with prices typically starting at £4923 up to £11302.

Glass replacement:

Expect to pay £245 on average, with prices typically starting at £179 up to £338.

Door installation costs in Harrow

Composite front doors installation:

Expect to pay £2898 on average, with prices typically starting at £2293 up to £3722.

French doors installation:

Expect to pay £1896 on average, with prices typically starting at £1355 up to £2628.

Bifold doors installation:

Expect to pay £4468 on average, with prices typically starting at £3202 up to £6244.

uPVC doors installation:

Expect to pay £1209 on average, with prices typically starting at £788 up to £1758.

Aluminium doors installation:

Expect to pay £3571 on average, with prices typically starting at £2510 up to £5195.

Cat flaps installation:

Expect to pay £294 on average, with prices typically starting at £203 up to £430.

Need help calculating costs? Use our Job Value Estimator tool for a bespoke cost estimate.

What’s included in a quote?

• Survey and measuring
• Removal of old units
• Supply and fit of new windows/doors
• Disposal of waste
• Optional extras: custom colours, decorative glazing, upgraded locks

Things to check before booking:

1. Are they FENSA or CERTASS registered?
2. Is a warranty included?
3. Are triple glazing or energy-efficient upgrades worth it for your property?

Timeframes

• A single door or window: A few hours
• Whole house (10 - 15 units): 2 to 4 days

Windows and Doors in Harrow: Homeowners vs Renters

Homeowners

If you own the property, you're responsible for any upgrades, repairs or replacements. Keep records of quotes, warranties, and planning permission (if required for listed buildings or conservation areas).

Renters

In most cases, your landlord is responsible for window and door maintenance. But if it’s a safety or comfort issue, like a draughty or broken window, it’s worth raising. Use photos and written reports to document the problem.

Emergency window and door repairs in Harrow

Urgent issue? These are common callouts:

• Broken windows or smashed glass
• Damaged locks or jammed doors
• Security issues after a break-in
• Resealing failed double glazing

For out-of-hours help, use our search tool to find emergency window and door repairs in Harrow.

Find the right tradesperson for the job in Harrow

Whatever you need, there’s someone who can help:

• Double glazing installation
• Secondary glazing
• Triple glazing upgrades
• Window resealing
• Door realignment or replacement
• Window tinting
• Velux and roof window fitting
• Front door fitting
• Replacement sash windows
• Sliding patio doors
• Bi-fold doors installation
• Repairs to existing windows and doors

Want to find a specialist for window fitting or replacement? You're in the right place. Just browse with your postcode or search through the list of tradespeople on our website, read the genuine reviews, look at photos of previous work, and make a decision there and then.

Alternatively, request a quote and we'll put you in touch with relevant tradespeople that cover your local area.