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Fitting Scotland Perfectly
New Windows Portlethen
Quality Energy Efficient Double Glazed Windows & Doors




Maybe you’ve noticed a drop in temperature around your house. Heating costs going up. Or condensation sitting on or inside your windows every morning.
If that describes your home, your windows are giving you a sign.
Over time, older windows begin to lose their seal.
The gas between the panes seeps away, the rubber gaskets go rigid and shrink, and what used to keep the cold out now barely slows it down.
In a part of the country like Portlethen, where rain and wind can often feel more regular than the sun, worn windows make a big difference to how warm and comfortable your home feels.
However not to worry, The Advanced Group is here to help with over 38 years of trusted service. Whether you want new windows for a single room or a full house of replacement windows and doors, we can point you towards the right fit and get everything installed correctly.

Some issues are obvious. Cracked glass, rotten timber frames, handles that don’t close properly.
But then there are the quieter signs. The ones you miss until they’ve already been costing you money for months, maybe years.

Moisture or fogging between the two sheets of glass? The sealed unit has broken down.
The seal goes, and with it goes the argon gas that kept the insulation. The window loses a major degree of its thermal ability.
Rising heating bills don’t have to keep eating into your pocket. Properly sealed new windows will bring back your home’s thermal performance and help pull those bills back down.

Here’s a quick test: put your hand near the edges of the window on a windy day. If cold air is getting through, the seals have broken down.
Draught proofing strips? They’re a temporary fix. The issue only deteriorates as the rubber continues to break down.

If your windows catch, won’t close correctly, or are difficult to open, this presents both a security 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 useful life.
Multi-point locking systems beat the old single-point catches for safety. Toughened glass provides further protection.

Did you realise that windows cause a significant share of heat loss in any property? They’re the barrier between your house and the outside world.
Older double glazing is a thing of the past, and the energy ratings will be far below what’s on offer now, even if they were a good specification when they were first installed.
Choosing new double glazed windows and doors is one of the best ways to protect your house from high energy bills.

The right window type for your Portlethen house will depend on the property itself, the room in question, and how you live in it.
The Advanced Group offers and fits a full selection of windows and doors in both double glazed and triple glazed configurations, including uPVC triple and double and triple glazed casement, sash, tilt and turn, and top hung designs.

Possibly the most common window choice in the UK, casement windows are side-hinged and open outwards, which makes them practical for ventilation and straightforward to clean from inside.
Modern house or traditional house, casement windows suit the lot. A wide selection of colours and finishes is provided, and the woodgrain effects capture the look of timber without any of the maintenance or warping fear.
Our sliding sash windows are crafted to mirror the appearance of original wooden sash frames, while delivering modern standards of thermal efficiency and security.
The proportions, sight lines, and opening mechanism are all crafted to follow the traditional style, which is especially relevant if your property is in a conservation area or you wish to keep its charm.

Tilt and turn windows tilt inward at the top for secure ventilation, and turn fully inward on a side hinge for easy cleaning.
If you are in an upper-floor flat, these are a fantastic choice because cleaning the outside of the glass from a ladder just isn’t feasible.
The tilt feature allows air in without the security concerns of having the window wide open, which is particularly valuable if you’ve got young children.

Top hung windows are hinged at the top and open outward from the bottom. This makes them a sensible choice for ventilation while helping to stop rain out.
They’re often fitted in bathrooms, kitchens, stairwells, bay window configurations, and other spaces where privacy and airflow are equally important.

Think of them as full-length windows that open outward, exactly like French doors. That’s French windows in a nutshell.
They look well in pairs and can be matched with sidelights to fill a wide opening with glass and natural light.

There are good reasons why The Advanced Group specialises in uPVC frame materials.
Scottish weather can be wild, but uPVC takes it all! It’s hardwearing, resists wind, rain, and the harshest of it, and you won’t get the warping or rot issues that timber frames bring.
What’s more, uPVC is also low maintenance.
Just a quick wipe with soapy water and it looks fresh!
Energy performance is where our uPVC windows truly shine. Multi-chambered uPVC engineering, U-values as low as 0.8 W/m2K on some frames, and a real difference to the energy efficiency of your home.
And you want to hear the best bit? uPVC double glazing is also the most cost-effective option available!
Premium-grade glazing without blowing the budget? That’s what uPVC allows. We also carry glazed uPVC doors, including uPVC doors, composite doors, and patio doors to complement.
Scotland delivers cold, wet, and windy weather for a large part of the year.
With that climate, your windows’ energy efficiency genuinely impacts your heating bills and how cosy your home feels daily.
The thermal efficiency of any window is measured by its U-value.
The lower that value goes, the less heat gets through. Scottish building regulations set the maximum at 1.6 W/m2K for replacement windows at present.
Our standard double glazed windows come in at 1.2 W/m2K. The premium options? As low as 0.8 W/m2K. Twice as effective as the regulatory minimum, comfortably.
The evidence? It lands on your energy costs.
A-rated energy-efficient windows and doors with argon gas filled sealed units and low-E glass coatings are amazing at sending heat back into the room while still allowing loads of light through.
Upgrading from old single-glazed sash windows or 1990s double glazing? Expect a noticeable drop in heating spend within the first winter.
Portlethen has a good number of double glazing companies. Few come close to the standard of our windows and doors.
Our trusted installers often get asked about our triple glazing range.
Triple glazing has an extra pane of glass, enabling it to deliver better insulation and reduced noise control.
Exposed area. Up a hill. Facing north. Near a busy road or under a flight path. If any of those fits like your property, The Advanced Group is ready to talk you through the benefits of triple glazing.

New windows are an big purchase. Paying for them all at once? Not always feasible. We know that.
So we make available 0% APR and up to 4 years of interest free credit. Simple.
It means you get the windows you need and spread the cost of your new windows and doors in a way that fits nicely for you!

Over 38 Years in the Trade
Installing double glazing across Scotland since 1988. That’s our track record.
38 years teaches you a lot. What works. Which partners to work with. How to train fitters who take genuine pride in their work. And it shows on every job we deliver.
15 Years of Protection
15-year guarantee on every installation. Product and workmanship protected.
The reason our guarantee is above the competition’s is because we’re fully confident in the quality of our windows and the expertise of our installers.
If anything happens, you can trust us to sort it right.

As Scotland’s leading provider of energy-efficient double glazing products, we provide an unrivalled choice of styles, frames, colours, and finishes.
Visit our showroom. We’ll guide you through the full range in person.

If you are planning installing new windows or doors in your Portlethen property, The Advanced Group would be more than glad to help.
Whatever your window and door needs, we’ll book a home survey at a time that suits you, size up, talk through your possibilities, and give you a written quote with totally no obligation and no pressure.
If you’d like to view our selection of windows and doors in person before reaching a decision, pop into our showroom any time!
For your free quote or home survey, speak to a member of our welcoming team today.
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