Fitting Scotland Perfectly

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New Windows Caol

Quality Energy Efficient Double Glazed Windows & Doors
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Up To 5 Years Interest Free
USP - Bubble - 15 Years

Customer Installations

We’ve installed thousands of windows over the last 34 years, take a look at what we have installed more recently.

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Double Glazing Glasgow
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Casement vs Tilt and Turn Windows
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Double glazing top hung window in Edinburgh
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Top hung double glazing on Stirlingshire home
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Scotland's Trusted uPVC Sash Window Specialists 

Perhaps you’ve picked up on a change in temperature in your home. Bills rising. Or condensation appearing on or inside your windows in the morning.

If that describes your situation, your windows are giving you a message.

The seal on older windows deteriorates over time.

Gas escapes from between the panes. The rubber gaskets go rigid and pull away. What used to hold back the cold now barely slows it down.

Caol sees its fair share of rain and wind, often more than sunshine. When your windows are past their best, you spot the difference in how warm and snug your home stays.

But there’s no need to worry, The Advanced Group is here to lend a hand with more than 38 years of trusted know-how. Whether it’s new windows for a single room or a full house of replacement windows and doors, we’ll help you find the right solution and get everything fitted properly.

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Signs Your Windows Need Replacing

Some issues are straightforward, like cracked glass, rotten timber frames, and handles that don’t fasten properly.

But other signs are less obvious, and by the time you catch them, they’ve already been losing you money for months or even years.

how to stop condensation on windows

Condensation Between the Panes

Spotting moisture or fogging between your two panes of glass means the sealed unit has given up.

Once the seal has gone, the argon gas responsible for insulation seeps away, and the window loses a significant chunk of its thermal performance.

Quit throwing money away on climbing heating prices. Bring back your home’s thermal performance with properly sealed new windows.

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Cold Spots Around Windows

On a windy day, hold your hand near the edges of the window. If you can feel cold air coming through, this suggests the seals have worn away.

Draught proofing strips provide a brief solution, but they’re essentially a sticking plaster on a issue that will only worsen as the rubber continues to break down.

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Windows That Jam

If your windows stick, won’t lock correctly, or are hard to operate, this creates both a safety risk and an insulation issue. Warped frames, worn hinges, and failed mechanisms are all signals that the window has come to the end of its working life.

Multi-point locking systems beat the old single-point catches for safety. Toughened glass provides another layer of security.

Window Replacement

Increasing Energy Bills

Did you realise that windows cause a large proportion of heat loss in any house? They’re the bridge between your home and the outside world.

Double glazing from years ago is old news, and the energy ratings will be far below what’s on offer today, even if the spec was good when first fitted.

Want to protect your house from those high energy costs? New double glazed windows and doors are the solution.

Advanced Group's range of double glazed windows in Showroom

Popular Window Styles in Caol

No two Caol homes are the same, and the right window choice comes down to on the house, the room, and how you use it.

The Advanced Group has a complete lineup of double glazed and triple glazed windows and doors available, including uPVC casement, sash, tilt and turn, and top hung styles, all provided and installed by our experts.

Sash windows vs Casement Windows

Casement Windows

Casement windows could well be the UK’s most popular window style! They’re side-hinged, open outwards, and are brilliant for ventilation and simple to clean from inside.

Casement windows suit just about any property kind, whether it’s a modern house or a traditional villa! They come in a huge choice of colours and finishes, and the woodgrain effects mimic real timber without the maintenance or warping risk.

Sash Windows Brochure

About Sliding Sash Windows

Our sliding sash windows are made to replicate the style of original wooden sash frames, while delivering modern levels of thermal efficiency and safety.

Proportions, sight lines, and opening mechanism all mirror the traditional design. Perfect for conservation areas or maintaining your property’s character.

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uPVC Tilt and Turn Windows

Tilt them inward at the top for protected ventilation. Turn them fully inward on a side hinge for simple cleaning. Two functions, one window.

For those living in upper-floor flats, tilt and turn windows are a wise choice, as cleaning the outside of the glass from a ladder is not realistic.

The tilt mode gives you airflow without the safety concerns of a fully open window, which is particularly handy for families with young children.

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uPVC Top Hung Windows

Top hung windows are hinged at the top and open outward from the bottom, providing a sensible solution for ventilation that also works to keep rain out.

They are often installed in bathrooms, kitchens, stairwells, bay window setups, and other spaces where privacy and airflow are equally valued.

Double Glazed French Windows

French Windows Explained

French windows are full-length windows that open outward like French doors.

Perfect in pairs. Match them with sidelights to flood a wide opening with glass and natural light.

How to Clean & Maintain UPVC Windows

Double Glazed uPVC Windows in Caol

The Advanced Group focuses in uPVC frame materials, and for really good reasons!

Scottish weather is harsh, and uPVC is made to be durable and resilient to harsh, windy, and wet weather. Unlike timber frames, uPVC won’t have the same warping or rot problems.

Not only that, but uPVC is low maintenance.

Just grab it a wipe with soapy water and it’ll look brand new.

And here’s the genuinely big part: our uPVC windows are properly energy efficient! Built with multi-chambered uPVC, some of our frames hit a U-value as low as 0.8 W/m2K, which really helps bring back your home’s energy efficiency.

On top of all that, uPVC double glazing is also the most budget-friendly option available.

That means you can often choose premium-grade glazing without stretching the budget. We also provide glazed uPVC doors, including uPVC doors, composite doors, and patio doors to complement.

Choosing replacement windows

Energy Efficiency and Heating Bills in Caol

Cold, wet, and windy. That’s Scotland for a good part of the year.

With weather like that, the energy rating of your windows makes a genuine difference to what you pay on heating and how warm your home feels every day!

Thermal efficiency is measured by U-value.

A lower U-value indicates less heat getting out through the glass and frame. Scottish building regulations currently stipulate 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 models can hit values as low as 0.8 W/m2K. That’s top-performing double glazing and triple glazing that operates twice as well as the regulatory minimum.

That difference is clearly visible on your energy bills.

A-rated energy-efficient windows and doors with argon gas filled sealed units and low-E glass coatings are brilliant at sending heat back into the room while still letting loads of light through.

If you’re moving from old single-glazed sash windows or early double glazing from the 1990s, you could see a real drop in your heating costs within the first winter.

Caol has its share of double glazing companies, and most sell standard products. Few, however, match the calibre of the windows and doors supplied by The Advanced Group.

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When Triple Glazing Makes Sense

Our trusted installers welcome chatting about triple glazing, and it’s a question that pops up a lot!

An extra pane of glass. Enhanced insulation. Greater noise dampening. That’s triple glazing.

If your property is located in an exposed area, up a hill or high above sea level, facing north, or near a busy road or under a flight path, The Advanced Group would be more than pleased to guide you through the benefits of triple glazing.

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0% Finance on Offer for New Windows

We understand that new windows are an significant spend, and paying for them all at once isn’t always feasible.

That’s why we have 0% APR and up to 4 years of interest free credit.

This helps you to install the windows you need while spreading the cost of your new windows and doors in a way that suits your budget.

Home with sliding sash windows by the Advanced Group - upvc sash windows glasgow

Why People in Caol Choose Us

38 Years of Experience

1988. That’s when we first started installing double glazing across Scotland.

That’s 38 years of discovering what lasts, developing relationships with suppliers, and training window fitters who take genuine care in their work. You can notice our experience on every job we complete.

A Complete 15-Year Guarantee

Every window installation includes a 15-year guarantee that protects both the product and the workmanship, which is really reassuring!

Why is our guarantee better what the competition offer? Because we’re totally certain in the standard of our windows and the ability of our installers!

Something goes wrong? We put it right. No question.

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Energy Efficient Windows and Doors for Caol

As Scotland’s top provider of energy-efficient double glazing products, we present an unrivalled selection of designs, frames, colours, and finishes.

Why not pop into our showroom? We’d be more than happy to individually guide you through our full range!

Energy Efficient double glazed sash window

Free Quote for New Windows in Caol

If you are considering installing new windows or doors in your Caol house, The Advanced Group would be more than glad to assist.

Whatever your window and door requirements may be, we will book a home survey at a time that works for you, carry out accurate measurements, talk through your possibilities, and give a written quote with no obligation and no pressure.

If you’d like to see our range of windows and doors in person before committing, you’re welcome to visit our showroom.

For your free quote or home survey, contact a member of our welcoming team today.

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Glasgow Showroom

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We fit thousands of homes every year, and customer service is at the heart of each and every job. Get in touch to see how we can fill your needs.

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