We’ve installed thousands of windows over the last 34 years, take a look at what we have installed more recently.
Fitting Scotland Perfectly
New Windows Stirling
Quality Energy Efficient Double Glazed Windows & Doors




Felt a temperature shift in your house? Bills on the increase? Or condensation sitting on or inside your windows first thing?
If that describes your situation, your windows are giving you a sign.
Older windows shed their seal over time.
Gas leaks from between the panes. The rubber gaskets harden and shrink. What once did stop the cold now barely slows it down.
Stirling’s rain and wind can seem more regular than the sun. Worn windows make a noticeable difference to how warm and cosy your home feels.
Over 38 years in the trade, and The Advanced Group is still here, on hand to help. Whether it’s one room or the entire house that is due new windows and doors, we’ll find the right fit and have everything installed the right way.

Cracked glass? Rotten timber frames? Handles that don’t fasten right? Some problems are easy to spot.
But then there are the sneakier signs. The ones you miss until they’ve already been costing you money for months, perhaps years.

If you notice moisture or fogging between the two panes of glass, this is a strong sign that the sealed unit has failed.
Once that seal goes, the argon gas that provides insulation leaks out, and your window loses a big amount of its thermal performance.
Stop throwing money away on climbing heating bills. Bring back your home’s thermal performance with properly sealed new windows.

On a windy day, hold your hand near the edges of the window. If you can feel cold air coming through, this tells you the seals have broken down.
Draught proofing strips provide a temporary measure, but they’re essentially a sticking plaster on a issue that will only deteriorate as the rubber keeps degrade.

A window that catches, won’t lock properly, or struggles to open is more than an irritation. It’s a security risk and an insulation problem. Warped frames, worn hinges, and failed mechanisms are the window’s way of telling you it’s past its best.
Multi-point locking systems on today’s windows provide significantly better protection than the single-point catches used in older models, and toughened glass choices give an further layer of protection.
Windows are responsible for a large amount of heat loss in any house. Your window is the boundary between you and the outside world.
Your old double glazing? It’s had its day! The energy ratings are far below what’s available today, even if the original setup was decent at the time.
Protect your house from rising energy costs. New double glazed windows and doors create the difference.

Every Stirling home has its own character. The right window type comes down to the property, the room, and how you occupy it.
The Advanced Group stocks and installs a full range of windows and doors in double glazed and triple glazed configurations, including uPVC casement, sash, tilt and turn, and top hung designs.

Casement windows are probably the UK’s most widely chosen window style! They’re side-hinged, open outwards, and are perfect for ventilation and simple to clean from inside.
They fit most types of property, from modern houses to traditional villas, and are available in a wide range of colours and finishes. Woodgrain effects mimic the look of timber without the maintenance or worry of warping.

The classic look of wooden sash frames, mirrored in every detail. That’s what our sliding sash windows deliver, along with modern thermal efficiency and safety.
The proportions, sight lines, and opening mechanism are all designed to match the traditional design, which is especially relevant if your property is in a conservation area or you wish to keep its charm.

Tilt them inward at the top for secure ventilation. Turn them completely inward on a side hinge for easy cleaning. Two options, one window.
They’re a popular choice for upper-floor flats where cleaning the outside of the glass from a ladder isn’t an option.
The tilt feature gives you airflow without the security worries of a fully open window, which is especially valuable for families with young children.
Hinged at the top, opening outward from the bottom. Smart for ventilation and good at keeping rain out.
Bathrooms, kitchens, stairwells, bay window arrangements, anywhere privacy and airflow both matter. That’s where top hung windows come into their own.

Full-length windows that open outward like French doors. That’s what French windows offer.
Pair them up and combine them with sidelights, and you can flood a wide opening with glass and natural light. The effect is beautiful.
There are good reasons why The Advanced Group focuses in uPVC frame materials.
uPVC frame materials are especially well suited to the demanding Scottish weather, delivering hardwearing performance and resilience to wild, windy, and wet weather. Unlike timber frames, uPVC won’t suffer from the same warping or rot issues.
uPVC is low maintenance too.
A brief wipe down with soapy water is all it needs to keep your uPVC windows looking fresh.
Energy efficiency is where our uPVC windows genuinely shine. Multi-chambered uPVC design, U-values as low as 0.8 W/m2K on some frames, and a proper difference to the energy performance of your property.
On top of all that, uPVC double glazing is also the most budget-friendly option on the market.
This means you to often fit higher-spec glazing without exceeding your budget. We also offer glazed uPVC doors, including uPVC doors, composite doors, and patio doors to complement.
Let’s be honest, Scotland is cold, wet, and windy for a fair chunk of the year!
In that climate, the energy performance of your windows makes a measurable difference to how much you pay on heating and how pleasant your home feels every day.
Thermal performance is measured by U-value.
A lower figure means less heat escaping through the glass and frame. Right now, Scottish building regulations require a maximum U-value of 1.6 W/m2K for replacement windows.
Our standard double glazed windows reach 1.2 W/m2K, and our premium products can reach values as low as 0.8 W/m2K. That’s superior double glazing and triple glazing that performs twice as well as the regulatory minimum.
The proof? It lands on your energy statements.
A-rated energy-efficient windows and doors come with argon gas filled sealed units and low-E glass coatings to reflect heat back into the room, all while letting natural light through.
If you’re coming from old single-glazed sash windows or early double glazing from the 1990s, you could see a genuinely clear drop in your heating spend within just the first winter!
Stirling has no shortage of double glazing firms. Few come close to the standard of our windows and doors.

Triple glazing is one of the most frequent topics our trusted installers hear.
An extra pane of glass. Better insulation. Improved noise reduction. That’s triple glazing.
If your house is in an exposed location, up a hill, facing north, or near a busy road or flight path, The Advanced Group is more than glad to walk you through the advantages of triple glazing.

New windows are an investment. Paying for the lot at once? Not always possible. We understand that.
To support with this, we offer 0% APR and up to 4 years of interest free credit.
The windows you need, with the cost spread in a way that suits for you. That’s what 0% finance opens up.
Over 38 Years in the Business
Installing double glazing across Scotland since 1988. That’s our history.
38 years teaches you a lot. What works. Which partners to rely on. How to train fitters who take real pride in their work. And it shows on every job we complete.
15 Years of Peace of Mind
Every window installation includes a 15-year guarantee that covers both the product and the workmanship, which is genuinely comforting!
The reason our guarantee surpasses that of our competitors is our total assurance in the standard of our windows and the ability of our installers.
If anything ever happens, you can count on us to have it fixed fast.

Scotland’s leading provider of energy-efficient double glazing. An outstanding range of styles, frames, colours, and finishes.
Come along to our showroom and we’ll be more than happy to individually talk you through our selection.
If you are planning installing new windows or doors in your Stirling house, The Advanced Group would be more than pleased to support you.
Whatever your window and door plans are, we will arrange a home survey at a time that works for you, carry out accurate measurements, discuss your choices, and supply a written quote with no obligation and no pressure.
Prefer to see our selection in person before committing? Our showroom door are open, come in any time.
Reach out to our helpful team today for your free quote or home survey.
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