scotland flag | The Advanced Group WindowsFitting Scotland Perfectly

Double Glazing Innerleithen

34 years trans | The Advanced Group Windows
Founded in 1988, Advanced has over 34 years of experience in the industry and has quickly grown to become Scotland’s go to choice for double glazed and triple glazed uPVC doors and windows.
scotland flag | The Advanced Group WindowsFitting Scotland Perfectly

Double Glazing Innerleithen

We provide a huge range of A-rated elegant and practical products, offering unrivalled energy efficiency, versatility, and sturdiness from conventional casement windows to the current ingenious tilt and turn technology, all at exceptionally competitive prices.
For more information on the benefits of secondary glazing, new window installation, or to set up a free survey of your home by among our expert installers, contact our expert sales group today on 0141 473 4141.

zero deposit | The Advanced Group Windows
zero percent | The Advanced Group Windows
5 years | The Advanced Group Windows
15 years | The Advanced Group Windows

34 Years of Home

Our windows guarantee to enhance the
appearance of your home both inside and out.
casement before | The Advanced Group Windows BEFORE
casement after | The Advanced Group Windows AFTER


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

Popular Colour Options

Whatever look you are going for with your home, there is a  colour choice type to match, with a huge range of styles and decorative finishes available.

Our Brochure

white windows | The Advanced Group Windows
oak | The Advanced Group Windows
rosewood | The Advanced Group Windows
mahogany | The Advanced Group Windows
black | The Advanced Group Windows
cream | The Advanced Group Windows
charcoal | The Advanced Group Windows

Our Brochure

white windows | The Advanced Group Windows
oak | The Advanced Group Windows
rosewood | The Advanced Group Windows
mahogany | The Advanced Group Windows
black | The Advanced Group Windows
cream | The Advanced Group Windows
charcoal | The Advanced Group Windows

About Advanced Windows

The comprehensive range of doors and windows offered to our <a href=”/locations/double-glazing-Innerleithen“>Innerleithen</a> customers is of the highest quality possible, developed using the current most sustainable production strategies in among Europe’s most advanced extrusion facilities.

All our uPVC product frames are created using 80% recycled materials and are made to last, leading the double and triple glazing market into a new generation of sustainable production.


Frames play a big part in determining the energy efficiency and weather resistance of a window or door unit, and badly fitted frames are a major cause of heat loss and expensive energy costs for homeowners throughout the Innerleithen location.

We use a multi-chamber design for all of our frames that serve as a barrier against the outdoors air and prevent the heat from your home from getting away.

Heat retention is important for preventing extortionate energy expenses since it prevents heat from leaving nearly as quick as your heating system can generate it.

Our frames allow our customers to delight in great energy efficiency rates throughout even the coldest of winter seasons and are one of the significant factors in our windows being A ranked by the BRFC.


All our double and triple glazed windows come geared up with energy reflecting glass as standard which works by transmitting solar energy from the outdoors to the inside of your home, whilst reflecting and maintaining interior heat.

To assist prevent condensation from forming, thermo spacer bars have also been installed to remove cold areas from around the edge of the glazed pane, preventing mould growth and further increasing unit efficiency.

Energy Efficiency

Home heating bills have increased significantly in recent years, and property owners are frequently find themselves paying excessive for their houses because of badly installed, or severely carrying out, doors and windows

Over 20% of all the heating loss from a standard domestic house in Scotland is estimated to come from this, implying that choosing which type of new double glazed window to set up is an exceptionally essential financial choice.

Given the major effect that energy efficiency has on your home’s financial resources, and the reality that discovering windows with the highest possible energy efficiency can be a very difficult task, we understand that finding the right window for your needs is an overwhelming prospect.

For this reason, we’ve striven to create a highly energy efficient range of units for you to choose from, with our products already saving our customers hundreds of pounds every year after installation in reduced energy bills.

The energy efficiency of a window is gauged in U-Values, with the lower the U-Value, the more energy efficient it is.

Advanced’s products have a few of the most outstanding u-vales of any windows and doors on the market, with our standard double glazed windows alone offering an excellent u-value of 1.4 W/m2K (A-rated).

Our double glazing also includes the option of further decreasing this to just 1.2 W/m2K, and by using Soft Coat Xtra and Argon Gas, our triple glazing has the ability to accomplish a u-value of just 0.8 W/m2K, perfect for those aiming to maximise their energy efficiency.

It is estimated that by having existing windows and doors changed by double or triple glazing installed by the expert fitters here at Advanced, you could conserve yourself as much as 40% on your annual heating expenses.


Nothing is more vital than the safety of our liked ones, and picking units that offer exceptional security features is essential when choosing your replacement windows and doors.

First, it’s essential to keep in mind that just upgrading from traditional single glazed windows to double or triple glazed windows is a significant enhancement for home security as including additional layers in between you and an intruder makes it a lot more difficult for them to enter your house.

We take security an action further at Advanced by utilizing fully welded robust frames and internal glazing that makes sure that the safeguarding glazing bead can not be removed from outside of the building.

High performance multi-point locking systems, strong hinges, and quality handles are also fitted as standard.

For those who want a a lot more secure option, we also offer toughened or laminated glass that can be fitted upon demand.

To ensure our products are the most durable and robust on the marketplace, all the hardware components in the system are salt spray testing for 600 hours before being approved for production (3x longer than the market standard).

Casement Windows

Casement windows have been the most popular window style in the UK for many years, and with a timeless classic style and outstanding flexibility, this does not appear like changing any time quickly.

Our casement windows can be hinged from either the side or from the top and are considered among the most energy efficient options for practically any property.

Product Performance | The Advanced Group Windows

Product Performance

We thoroughly establish all our products so they’re very high quality, and offer a 15-year service warranty for every installation, providing you comfort that if anything goes wrong you will not be faced with pricey repair costs.

Multi Chambers | The Advanced Group Windows

Multi Chambers

Multi chambers within the frame of all our windows work to keep heat and keep your home at the ideal temperature level all year long, substantially lowering the quantity of energy you are losing year on year.

Energy Performance | The Advanced Group Windows

Energy Performance

All our casement windows are ‘A’ rated for energy efficiency, thanks to the industry leading innovation of our heat reflecting glass.

Concealed Gaskets | The Advanced Group Windows

Hidden Gaskets

To maximise the visible glazing area of your window, all the glazing gaskets on our windows are contained within the frame of the window itself, guaranteeing that gasket rubber is hidden and does not interrupt your view.

Positive Drainage | The Advanced Group Windows

Positive Drainage

All our frames come equipped with inbuilt channels to facilitate effective drainage, and are fully sealed and leak-proof, meaning that your new uPVC doors and windows will prosper throughout even the most severe of Scottish winter seasons.

Frame Finish | The Advanced Group Windows



Tilt and Turn Windows

With the addition of an ingenious hinge system that enables ultimate versatility, tilt and turn windows are a popular variation on the traditional casement window.

Tilt and turn windows can either be opened with the top ’til ted’ inwards for optimum ventilation or ‘turned’ up to 90 degrees inwards from the side.

When opened fully in the ‘turn’ position, a tilt and turn window can be utilised as a legitimate emergency exit option.

French Windows

French windows operate in a comparable way to french doors, with 2 separate openings, each opening from one side of the frame.
French windows are a highly elegant window option and serve as a reliable fire escape when both sides are in the fully open position.


As a contemporary business, we operate with the current climate emergency situation at the heart of whatever that we do. We’ve tailored every aspect of our production process so that it matches this ethos without jeopardising our product quality and efficiency.

Lowering Waste

To limit the quantity of waste that happens as a by-product of our manufacturing, 80% of the material utilized in our uPVC frames are created using recycled materials, with most of the waste produced being processed in a recycling facility as opposed to being sent to landfill.

Lowering Carbon Emissions

We not just do all we can to restrict our own carbon emissions, but we are also constantly searching for methods to assist our customers minimize their own carbon footprint, and conserve plenty of cash along the way.

Our multi-chamber innovation and thermo spacer bars could help you lower the frame carbon emissions of your home by up to 70%, by considerably decreasing the quantity of time you require to have your home heater turned on.

Get in Touch

Call your local specialists at The Advanced Group is you are trying to find double glazing services in Innerleithen or the surrounding area.

Our range of triple and double glazing products is second to none, from sash windows to patio doors.

We have developed a fantastic track record for quality double glazing Innerleithen products and exceptional client care, with both our domestic and industrial customers, and will put your needs first from the initial check out to the last installation of your new windows.

To read more about our Innerleithen windows and doors, get a free quote, or to set up a free survey from our specialist group, call us today on 0141 4 73 4141.