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 Kilmacolm
Quality Energy Efficient Double Glazed Windows & Doors




A shift in temperature throughout the home. Rising bills. Condensation sitting on or inside the windows each morning. Sound familiar?
Sound familiar? Your windows are sending you a message.
Old windows shed their seal as the years pass.
Gas escapes from between the panes. The rubber gaskets harden and contract. What used to stop the cold now barely makes a difference.
Living in Kilmacolm, you know that rain and wind often outweigh the sunny days, and tired windows make a noticeable difference to how warm and snug your house feels.
However not to worry, The Advanced Group is here to support you with over 38 years of trusted service. Whether you need new windows for a single room or a full house of replacement windows and doors, we can guide you to the right solution and get everything fitted properly.

The easy ones jump out. Cracked glass, rotten timber frames, handles that don’t close properly.
Other symptoms, however, are less obvious, and by the time you notice, they may have been costing you money for months or even years.

If you spot moisture or fogging between the two sheets of glass, this is a strong sign that the sealed unit has broken down.
The seal gives way, and with it leaks the argon gas that provided the insulation. The window loses a large portion of its thermal efficiency.
Climbing heating prices don’t have to empty your wallet. Bring back your home’s thermal performance with perfectly sealed new windows.

Put your hand near the window edges on a windy day. Cold air coming through? The seals have gone.
Draught proofing strips may help for a while, but they’re only a sticking plaster on a issue that’ll only deteriorate as the rubber continues to perishing.

If your windows jam, won’t fasten properly, or are difficult to operate, this poses both a security risk and an insulation concern. Warped frames, worn hinges, and failed mechanisms are all indicators that the window has come to the end of its functional life.
The single-point catches on older windows don’t compete with the multi-point locking systems on modern frames. Add toughened glass, and your property has a real security upgrade.
Did you realise that windows account for a large amount of heat loss in any home? They’re the bridge between your house and the outside world.
Double glazing from years ago is a thing of the past, and the energy ratings will be far below what’s achievable now, even if the specification was reasonable at the time.
High energy bills don’t have to be the standard. New double glazed windows and doors help protect your property and keep those bills down.

Every property in Kilmacolm is different. The right window choice depends on the house, the room, and how you live in it.
We supply and fit a full choice of double glazed and triple glazed windows and doors, including uPVC casement, sash, tilt and turn, and top hung types.

The most widely fitted window style in the UK. Side-hinged, opening outwards. Practical for ventilation and simple to clean from inside.
Suitable for most property styles, from modern houses to traditional villas, casement windows are offered in a wide choice of colours and finishes, including woodgrain effects that mimic the look of timber without the maintenance or fear of warping.

The sliding sash windows we supply mirror the style of original wooden sash frames, while providing modern thermal performance and security.
The proportions, sight lines, and opening mechanism mirror the traditional style. That’s key if your property is in a conservation area or you just want to maintain its personality.

Tilt inward at the top for secure ventilation. Turn fully inward on a side hinge for quick cleaning.
Common in upper-floor flats. Cleaning the outside from a ladder? Not an option.
The tilt function allows airflow without the security worries that come with a fully open window, which is especially helpful for families with young children.
Top hung windows hinge at the top and open outward from the bottom. This makes them a sensible choice for ventilation while working to keep rain out.
Commonly fitted in bathrooms, kitchens, stairwells, and bay window arrangements. Every space where privacy and airflow both matter.

Think of them as full-length windows that open outward, just like French doors. That’s French windows for you.
Pair them up and match them with sidelights, and you can open up a wide opening with glass and natural light. The result is striking.
There are sound reasons why The Advanced Group specialises in uPVC frame materials.
Scottish weather is unforgiving, and uPVC is designed to be hardwearing and resilient to harsh, windy, and wet weather. Unlike timber frames, uPVC won’t have the same warping or rot concerns.
uPVC is low maintenance too.
Just grab it a wipe with soapy water and it’ll look brand new.
The big selling point? Energy efficiency. Our uPVC windows feature multi-chambered uPVC, and some frames achieve a U-value as low as 0.8 W/m2K. That brings back proper energy efficiency to your home.
The icing on the cake? uPVC double glazing is the most affordable option out there.
This means you to often fit higher-spec glazing without blowing your budget. We also stock glazed uPVC doors, including uPVC doors, composite doors, and patio doors to coordinate.
For a good portion of the year, Scotland’s weather is cold, wet, and windy.
In that kind of climate, the energy efficiency of your windows truly impacts how much you spend on heating and how warm your home feels day to day.
U-value. That’s the measurement that tells you how thermally efficient a window truly is.
The lower that number, the less heat is lost through your glass and frame. Scottish building regulations currently require a maximum U-value of 1.6 W/m2K for replacement windows.
Our standard double glazed windows deliver 1.2 W/m2K, and our premium options can hit 0.8 W/m2K! That’s performance at twice the regulatory minimum!
You’ll see the difference on your energy bills.
A-rated windows and doors. Argon gas filled sealed units. Low-E glass coatings. Heat bounced back in, light still getting through.
Switching from old single-glazed sash windows or 1990s double glazing? You could see a significant drop in heating spend within the first winter.
Many double glazing businesses in Kilmacolm supply basic products, but few can rival the standard of the windows and doors we install.

Our trusted installers are frequently asked about the triple glazing options we offer.
An extra pane of glass makes triple glazing apart. It means stronger insulation and greater noise dampening compared to standard double glazing.
If your property is located in an exposed location, up a hill, facing north, or near a busy road or under a flight path, reach out! The Advanced Group would be more than happy to guide you through the benefits of triple glazing.

We appreciate that new windows are a notable purchase, and paying for them in full all at once isn’t always practical.
0% APR. Up to 4 years interest free credit. That’s what we provide.
It means you get the windows you deserve and spread the cost of your new windows and doors in a way that fits perfectly for you!
Backed by 38 Years of Experience
We’ve been installing double glazing across Scotland since 1988.
38 years teaches you a lot. What lasts. Which manufacturers to work with. How to train fitters who take real pride in their work. And it shows on every job we complete.
Our 15-Year Guarantee
Every window installation we carry out is covered by a 15-year guarantee, covering both the product and the workmanship.
The reason our guarantee surpasses that of our competitors is our complete confidence in the calibre of our windows and the expertise of our installers.
Something happens? We fix it straight. That’s the promise.

As Scotland’s top provider of energy-efficient double glazing products, we offer an unrivalled range of designs, frames, colours, and finishes.
You are welcome to visit our showroom, where we will be more than pleased to individually guide you through our entire range.
New windows or doors for your Kilmacolm home? The Advanced Group is more than ready to help.
Whatever your window and door plans, we’ll arrange a home survey at a time that suits you, measure up, talk through your options, and give you a written quote with totally no obligation and no pressure.
If you’d like to see our range of windows and doors in person before making a decision, you’re invited to visit our showroom.
Reach out to our welcoming team today. Free quote. Free home survey.
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