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Save Up To 50% Off10-Year GuaranteeBest Price PromiseExcellent ReviewsA+ Energy Rated5 Star Rated

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No hard sell. No obligation. Just a great price.

Save Up To 50% Off10-Year GuaranteeBest Price PromiseExcellent ReviewsA+ Energy Rated5 Star Rated

Why Choose Our uPVC Windows

Here's what changes when you upgrade

5★ Rated

5 Star Reviews

Hundreds of 5-star reviews from happy customers

£100s

Saved On Energy Bills

A+ rated windows keep heat in, meaning your energy bills drop

A+ Rated

Energy Rating

Every window we fit comes with the highest energy rating as standard

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uPVC Window Styles We Install

Choose from our range of A+ rated uPVC windows

Tilt and Turn WindowsFrom £499

Tilt & Turn Windows

Versatile uPVC two way opening. Ideal for upper floors, tilts inward for ventilation and turns fully open for easy cleaning.

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Casement WindowsFrom £449

Casement Windows

The classic uPVC window style. Easy to clean, excellent ventilation, and available in a wide range of finishes to suit any property.

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Double Glazed WindowsFrom £429

Double Glazed Windows

The most popular uPVC window choice for homeowners. A+ energy rated, reduces heating bills, and adds value to your property.

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uPVC Windows Glasgow, Get A Quote

Most Glasgow homeowners get in touch because their current windows are letting in draughts, struggling to open and close properly, or simply look tired and worn. Give us a call on 0141 310 9808 and you'll speak to someone who can answer your questions straight away, without any sales pressure. From that first conversation, we'll get a visit booked in at a time that suits you.

Your Free Survey and Measure

One of our surveyors will come out to your property and take accurate measurements of every window you're replace. This isn't a quick once-over. We take time to look at the existing frames, check the surrounding reveals, and talk through exactly what you want from your new windows. There's no charge for this visit and no obligation to go ahead.

During the survey we'll also talk through your options in plain terms. Things like glass specification, opening configurations, security hardware, and energy ratings all come into this conversation. If you have questions about costs or timescales, we'll give you honest answers on the spot rather than making you wait for a follow-up call.

Choosing the Right uPVC Windows for Your Home

Glasgow homes vary a lot, from traditional red sandstone tenements to post-war semis and newer builds, and the right window style depends on your property and your priorities. Our uPVC windows are available in casement, tilt and turn, vertical slider, and sash styles, so there's a practical option for most situations. Colour-wise, you're not limited to white. Woodgrain foils, anthracite grey, cream, and a range of other finishes are all available.

On the glass side, all our units are double glazed as standard and carry an A energy rating, which means they're independently rated for thermal performance. The sealed units are filled with argon gas, which significantly slows heat transfer through the glass. If you want to go further, triple glazing is also an option and offers even better insulation and sound reduction. Security features include multi-point locking systems and toughened or laminated glass as required.

The uPVC profiles we use are robust and built to last. The frames won't rot, swell, peel, or need painting at any point. A wipe down with a damp cloth is genuinely all the upkeep they need.

Manufacturing and Lead Times

Once you've confirmed your order and we've got your signed-off measurements and specifications, your windows go into production. Lead times vary depending on the specification and the time of year, but your surveyor will give you a realistic installation date at the point of order. We don't give vague estimates and then push the date back. If anything changes on our end, we'll contact you promptly.

Every window is made to the exact measurements taken at your survey. Nothing is cut down from standard stock sizes, so the fit is accurate from the start and there's no filler or packing needed to make things work.

What to Expect on Fitting Day

Our fitting team will arrive at the agreed time and start by protecting your floors and furniture in the rooms being worked on. Removing old frames and fitting new ones creates dust and debris, so we take steps to keep disruption to a minimum. Most standard window installations across a typical house can be completed within a day, though larger jobs or more complex properties may run to two days.

The team works methodically, finishing each window fully before moving to the next. That means your home is never left with open holes overnight. By the time they leave, every window will be fitted, sealed, and fully operational. All old frames and packaging are taken away with them.

You're welcome to be in the house throughout. A lot of customers prefer to be around so they can check progress and ask any questions as the job goes on. Others prefer to let us get on with it. Either approach works for us.

Your 10 Year Guarantee and Ongoing Support

All uPVC windows supplied and fitted by Glasgow Window Company come with a 10 year guarantee covering both the frames and the sealed glass units. If a unit fails and develops internal condensation, or if a frame develops a fault, we'll come back and sort it. You won't be passed between manufacturers and installers trying to work out whose responsibility it is.

The guarantee is backed by our own business, and we're a local company with a local reputation to look after. If something isn't right after your installation, call us and we'll arrange a return visit. Problems are rare with quality uPVC, but it matters that you know there's straightforward support in place if you ever need it.

To arrange a free survey or just have a chat about your options, call the team at Glasgow Window Company on 0141 310 9808. We cover Glasgow and all of the surrounding areas, and there's no obligation attached to getting in touch.

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