Fitting Scotland Perfectly

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New Windows Johnstone

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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A drop in temperature throughout the house. Rising heating costs. Condensation sitting on or inside the windows come morning. Sound familiar?

If that seems familiar, your windows are sending you a message.

Over time, older windows begin to lose their seal.

Between the panes, the gas seeps away. The rubber gaskets stiffen and shrink. What once held the cold back now barely slows it down.

In Johnstone, where the rain and wind can feel more regular than sunshine, ageing windows definitely impact how warm and cosy your house feels.

Over 38 years in the industry, and The Advanced Group is still here, on hand to support you. Whether it’s one room or the full house that needs new windows and doors, we’ll find the right solution and get everything fitted the right way.

Double Glazing for New Builds Scotland

Signs It’s Time to Change Your Windows

Some problems are hard to miss. Cracked glass, rotten timber frames, handles that won’t lock properly.

Other signs, though, are easier to miss, and by the time you spot, they might have been costing you money for months or even years.

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Foggy Glass Between the Panes

If you can spot moisture or fogging between the two sheets of glass, the sealed unit has broken down.

The seal breaks, and with it escapes the argon gas that kept the insulation. The window loses a large degree of its thermal performance.

Rising heating prices don’t have to keep climbing. Properly sealed new windows will recover your home’s thermal performance and help pull those bills back down.

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Cold Patches Around Windows

Try holding your hand near the edges of your window on a windy day. If you can feel cold air getting through, the seals have worn away.

Draught proofing strips may help temporarily, but they’re really a sticking plaster on a fault that’ll only get worse as the rubber keeps perishing.

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Windows That Stick or Won’t Close

If your windows catch, won’t close properly, or are difficult to open, this creates both a safety risk and an insulation problem. 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 can’t compare with the multi-point locking systems on modern frames. Factor in toughened glass, and your home has a real protection upgrade.

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High Energy Bills

Windows lose a large share of your home’s heat. They’re the boundary between you and the outside elements.

Older double glazing is a thing of the past, and the energy ratings will be well below what’s on offer now, even if they were a reasonable specification when they were first fitted.

Want to shield your home from those high energy bills? New double glazed windows and doors are the way forward.

Advanced Group's range of double glazed windows in Showroom

Window Styles Available in Johnstone

Every property in Johnstone is different. The right window choice depends on the building, 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 fitted by our installers.

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Casement Windows Explained

Casement windows are probably the most popular window style in the UK. They’re side-hinged and open outwards, making them practical for ventilation and simple to clean from inside.

They complement most types of property, from modern builds to traditional villas, and come in a wide selection of colours and finishes. Woodgrain effects mimic the look of timber without the maintenance or worry of warping.

Sash windows vs Casement Windows

uPVC Sliding Sash Windows

Like the style of original wooden sash frames? Our sliding sash windows replicate that classic style while delivering modern thermal efficiency and safety.

The proportions, sight lines, and opening mechanism are all crafted to follow the traditional design, which is particularly relevant if your property is in a conservation area or you wish to maintain its personality.

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uPVC Tilt and Turn Windows

Tilt and turn windows are genuinely handy! They tilt inward at the top for secure ventilation and swing fully inward on a side hinge for simple cleaning.

They’re a popular choice for upper-floor flats where cleaning the outside of the glass from a ladder isn’t feasible.

The tilt mode offers you airflow without the security worries of a fully open window, which is especially useful for families with young children.

Top Hung Windows

About Top Hung Windows

Top hung windows open outward from the bottom while being hinged at the top, which is great for getting air in without letting rain through.

They are commonly chosen in bathrooms, kitchens, stairwells, bay window arrangements, and other spaces where privacy and airflow are both valued.

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About French Windows

Think of them as full-length windows that open outward, exactly like French doors. That’s French windows for you.

Paired together, they work wonderfully and can be paired with sidelights to cover a wide opening with glass and natural light.

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uPVC Double Glazing in Johnstone

The Advanced Group specialises in uPVC frame materials for strong reasons.

Scottish weather is harsh. uPVC is made to take it. Long-lasting, resilient to wild, windy, wet weather. No warping or rot worries like timber.

In addition, uPVC delivers the advantage of being low maintenance.

Wipe it down with soapy water. Job done. It looks fresh.

More significantly though, our uPVC windows are very energy effective. With multi-chambered uPVC engineering, some of our frames can hit a U-value as low as 0.8 W/m2K, helping to improve your home’s energy efficiency.

The cherry on top? uPVC double glazing is the most affordable option out there.

So you can often install premium-grade glazing and still stay within budget. We provide glazed uPVC doors too, including uPVC doors, composite doors, and patio doors to complement.

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Energy Efficiency and Heating Bills in Johnstone

Scotland’s weather is cold, wet, and windy for a large part of the year.

With a climate like that, the energy performance of your windows makes a huge difference to what you spend on heating and how cosy your house feels day to 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 reach 1.2 W/m2K, and our premium options can reach values as low as 0.8 W/m2K. That’s top-performing double glazing and triple glazing that performs twice as well as the regulatory minimum.

The difference shows on your energy bills.

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

If you’re coming from old single-glazed sash windows or early double glazing from the 1990s, you could see a genuinely noticeable drop in your heating spend within just the first winter!

While many double glazing businesses in Johnstone provide standard products, few can match the calibre of the windows and doors we provide.

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Is Triple Glazing Right for You?

We get asked about triple glazing regularly.

Triple glazing includes an extra pane of glass, which gives enhanced insulation and clearly greater noise control.

Exposed area. Up a hill. Facing north. Near a busy road or under a flight path. If any of those sounds like your property, The Advanced Group is on hand to walk you through the advantages of triple glazing.

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New Windows with 0% Finance

We recognise that new windows are a notable investment, and paying for them in full all at once isn’t always practical.

So we provide 0% APR and up to 4 years of interest free credit. No fuss.

It means you get the windows you deserve and spread the cost of your new windows and doors in a way that fits comfortably for you!

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The Advanced Group: Johnstone’s Preferred Window Company

38 Years of Industry Experience

Installing double glazing across Scotland since 1988. That’s our story.

38 years teaches you a lot. What works. Which manufacturers to trust. How to train fitters who take real pride in their work. And it comes through on every job we finish.

Our 15-Year Guarantee

15-year guarantee on every installation. Product and workmanship included.

Why is our guarantee above what competitors offer? Because we’re totally assured in the quality of our windows and the ability of our installers!

If anything goes wrong, just contact us and we’ll fix it right.

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Energy Efficient Windows and Doors

As Scotland’s foremost provider of energy-efficient double glazing products, we offer an unrivalled range of styles, frames, colours, and finishes.

Visit our showroom and we’ll be more than pleased to individually guide you through our collection.

Choosing replacement windows

Start with a Free Quote for New Windows in Johnstone

If new windows or doors for your Johnstone home are on your radar, The Advanced Group would be more than pleased to get involved!

Whatever your window and door requirements are, we’ll arrange a home survey at a time that fits you, take the measurements, talk through your choices, and provide a written quote with no obligation and no pressure.

Should you wish to inspect our range of windows and doors in person before making a choice, you are free to visit our showroom.

To request your free quote or home survey, simply contact a member of our helpful 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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