A-Rated uPVC Windows, Fitted Across Scotland
Warmer, quieter, more secure uPVC windows. A-rated as standard, expertly fitted and backed by a 15 year insurance-backed guarantee. Trusted by Scottish homeowners for over 25 years.
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FENSA Registered
Every window and door installation meets Building Regulations, with a FENSA certificate issued for your records.
15 year guarantee
Every installation is protected by an insurance-backed guarantee, giving you complete confidence from day one.
25 Years' Expertise
A quarter-century of experience, installing A-rated windows and doors to a higher standard across Scotland.
The warm, low-maintenance choice for Scottish homes.
uPVC is the most popular window material in Scotland for good reason. It’s warm, secure and virtually maintenance-free – no painting, no rot, no warping – and modern A-rated frames and glazing help keep the heat in and your bills down, whatever the weather throws at your home.
A-rated energy efficiency
Energy-efficient frames and glazing, A-rated as standard, to help keep your home warmer and your heating bills lower.
Secure by design
Multi-point locking, internally beaded frames and toughened glazing options for real peace of mind.
Quieter rooms
Insulated frames and sealed glazing units help shut out road noise and keep your home peaceful.
Virtually maintenance-free
No painting and no rot - a quick wipe keeps your windows looking their best for years.
Built to last
Tough, weather-resistant frames that won't warp, fade or crack in the Scottish climate.
Your style, your colour
A wide choice of colours and realistic woodgrain finishes - from classic white to anthracite grey - inside and out.
Every uPVC window style, made to measure.
Casement Windows
Our most popular style – clean lines, a tight seal and a versatile look that suits almost any home.
Tilt & Turn Windows
Tilt in for secure ventilation or turn fully open for easy cleaning – ideal for flats and upper floors.
Sliding Sash Windows
Traditional vertical-sliding look for heritage homes, with modern warmth and security built in.
Trade-grade quality uPVC windows, fitted for your home.
25+ years' experience
A quarter-century fitting uPVC windows for homeowners across Scotland.
Trade-grade quality
The same premium, A-rated windows the trade relies on, fitted to an exacting standard in your home.
15 year guarantee
An insurance-backed guarantee on every installation, for complete peace of mind.
Covering all of Scotland
Edinburgh, Glasgow, Aberdeen, Dundee, the Highlands and everywhere between.
Rated 5/5
Verified Google reviews from right across Scotland, for tidy installs, honest quotes and a finish that lasts.
No pushy sales
Free survey and a clear, fixed written quote. Honest advice, zero pressure and no hard sell.
From quote to fitted, in four steps.
Free home survey
We measure up and talk through your window options, at a time that suits you.
Fixed written quote
A clear, no-obligation price with no hidden extras and no pressure to commit.
Expert installation
Experienced, fully insured fitters install cleanly and tidily - every job FENSA registered.
15 year guarantee
Backed by an insurance-backed guarantee and friendly local aftercare.
Recent Window installs across Scotland
Rated 5/5 on Google · Verified customer reviews
Posted on Google Fiona STrustindex verifies that the original source of the review is Google. Very happy with service providedPosted on Google Kai GTrustindex verifies that the original source of the review is Google. As a lead generation partner, we've had a very positive experience working with this company. They're professional, responsive, and easy to communicate with, making the whole process smooth from start to finish. It's been a pleasure building a working relationship with them, and we look forward to many more successful projects together.Posted on Google Stephanie MTrustindex verifies that the original source of the review is Google. Communication from my initial online enquiry right the way through to the completion of the job was excellent. I am extremely happy with the quality of the work that has been carried out by Hi-Spec. After shopping around for some time I found their prices to be highly competitive and their service second to none.Posted on Google Stacey HTrustindex verifies that the original source of the review is Google. ***** 5 star review for service and quality of work carried out. I would highly recommend Hi-Spec Windows and Doors.Posted on Google Sean RTrustindex verifies that the original source of the review is Google. First-class service from Hi-Spec Windows & Doors from the initial enquiry right through to the installation. The team was professional, friendly, and the quality of the workmanship was excellent throughout. I would highly recommend Hi-Spec Windows & Doors to anyone looking for quality products and outstanding service.Posted on Google Carly DTrustindex verifies that the original source of the review is Google. 10/10 experience, thank you so much and i will be backPosted on Google Bayley MTrustindex verifies that the original source of the review is Google. Very happy with the new installation of my windows from the service to the job being completed.Posted on Google AdamTrustindex verifies that the original source of the review is Google. I recommend 5-Star Service.Posted on Google Fiona CTrustindex verifies that the original source of the review is Google. The service was very professional and all the work was carried out to a high standard and the workers were very clean and helpfulPosted on Google Pierce MTrustindex verifies that the original source of the review is Google. ⭐⭐⭐⭐⭐ I couldn’t be happier with the service from Hi-Spec Windows & Doors. After getting a few different quotes, they stood out as offering the best value, and from the very first visit everything was straightforward and professional. The salesman arrived on time, took the time to talk me through all the different options, answered all my questions, and we agreed on a package that suited exactly what I was looking for. The surveyor who came out to measure was also punctual, friendly, and professional. I was given an installation date, everything went exactly to plan, and the fitting team did a fantastic job. The new windows look amazing and the quality of the work is excellent. I genuinely can’t fault the whole experience from start to finish. Great communication, reliable, professional service, and a brilliant end result. I would have no hesitation in recommending Hi-Spec Windows & Doors to anyone looking for new windows. 5 stars all the way!
Common questions about uPVC windows
Thinking about replacing your windows? Here are quick answers about our uPVC windows, energy ratings, styles and installation service across Scotland.
Are your uPVC windows energy efficient?
Yes. Our uPVC windows are A-rated as standard, with energy-efficient frames and glazing designed to keep your home warmer and help lower your heating bills.
How long do uPVC windows last?
Quality uPVC windows are built to last for decades. Ours are made from tough, weather-resistant frames that won’t rot, warp or fade, and every installation is backed by a 10-year insurance-backed guarantee.
What styles of uPVC window do you offer?
We supply and fit casement, tilt and turn, and sliding sash uPVC windows, made to measure to suit your home.
Can I get coloured or woodgrain windows?
Yes. Our uPVC windows come in a wide range of colours and realistic woodgrain finishes, from classic white to anthracite grey, and can be different inside and out.
Should I choose double or triple glazing?
Both are available. Double glazing suits most homes, while triple glazing offers extra insulation and noise reduction, useful for exposed or roadside properties. We’ll talk you through the best fit at your free survey.
Will new uPVC windows reduce noise?
Yes. Insulated frames and sealed glazing units help cut outside noise, and we can recommend acoustic or triple glazing for busier locations.
Do you install uPVC windows across Scotland?
Yes. We supply and fit uPVC windows across Scotland, including Glasgow, Edinburgh, Aberdeen, Dundee, the Highlands and everywhere between.
How much do uPVC windows cost?
It depends on the number of windows, the style and the glazing you choose. The best way to get an accurate price is a free, no-obligation survey – we’ll give you a fixed written quote with no hidden extras.
Do you remove my old windows?
Yes. We remove your old frames, fit the new ones and leave your home clean and tidy.
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