Casement Windows, Made to Measure & Fitted Across Scotland
The UK’s most popular window style – wide-opening, energy efficient and made to measure in uPVC or aluminium. A-rated as standard, expertly fitted and backed by a 15 year insurance-backed guarantee.
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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 versatile classic that suits any home.
Casement windows are the most popular style in the UK for good reason. Hinged at the side or top, they open wide for ventilation and easy cleaning, seal tight against the frame for warmth and security, and look right on everything from a traditional cottage to a new build.
Suits any home
Period or modern, front or back - the casement's clean lines work everywhere.
Wide, clear views
A large glass area and slim frames make the most of the light and the view.
Excellent ventilation
Open wide for airflow, or crack open for a gentle through-draught.
Energy efficient
The sash compresses tight against a seal when closed, cutting draughts and heat loss, A-rated as standard.
Secure by design
Multi-point locking hooks the sash into the frame at several points for real peace of mind.
Made to measure
Built to fit your openings exactly, in the size, layout and finish you choose.
Your casement, your way.
Side-Hung Casements
The classic style, hinged at the side and opening outward – versatile and suited to almost any home.
Top-Hung (Awning)
Hinged at the top, ideal for ventilation even in light rain and perfect above worktops and basins.
Fixed & Combination
Pair fixed picture panes with opening casements for larger openings for a bespoke layout.
Available in uPVC or Aluminium · Double or Triple Glazing · Flush or Standard sash · A choice of colours and woodgrain finishes.
Trade-grade quality casement windows, fitted for your home.
25+ years' experience
A quarter-century fitting premium casement windows for homeowners across Scotland.
Trade-grade quality
The same premium, A-rated windows, 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 casement windows
Thinking about casement windows? Here are quick answers about styles, energy efficiency, materials and installation across Scotland.
What is a casement window?
A casement window is hinged at the side or top and opens outward. It’s the most popular window style in the UK, suited to almost any home.
Are casement windows energy efficient?
Yes. When closed, the sash compresses tight against a seal, cutting draughts and heat loss. Our casement windows are A-rated as standard.
Can I get casement windows in uPVC and aluminium?
Yes, both. uPVC is the warm, cost-effective all-rounder, while aluminium offers slimmer frames and a contemporary look. We’ll help you choose the right material at your free survey.
What is a flush casement window?
A flush casement sits level within the frame for a clean, streamlined look – a popular choice for period, cottage and character homes.
Which way do casement windows open?
They typically open outward, and can be hinged at the side or the top. Top-hung styles are handy for ventilation in light rain and above kitchen worktops.
Are casement windows secure?
Yes. Multi-point locking hooks the sash into the frame at several points, making them a very secure choice.
What colours and finishes are available?
A wide range – from classic white to anthracite grey, plus realistic woodgrain finishes, and different colours inside and out if you like.
How much do casement windows cost?
It depends on the size, material and 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 fit casement windows across Scotland?
Yes. We supply and fit casement windows across Scotland, including Glasgow, Edinburgh, Aberdeen, Dundee, the Highlands and everywhere between.
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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