Sliding Sash Windows That
ENHANCE YOUR HOME
Complement your home with a wide range of beautiful styles to choose from, ensuring any investment is matched by your home’s future value.
See Our Sliding Sash Windows Range
Developed over 25 years, these sliding-sash windows have been precisely engineered to match a classic timber vertical-sliding sash down to the finest details, without compromising on energy efficiency, thermal insulation or ease-of-maintenance. The result – a best-of-both-worlds blend of the timeless class of the old and the convenience of the new.
WHAT MAKES US SPECIAL
The Custom Promise
The Most Competitive Prices
Bespoke Fitting and Surveying
Fully Trained & Friendly Staff
Total Peace of Mind
Over 40 years EXPERIENCE
10 year Insurance Backed Guarantee
FENSA Registered
We will beat any like for like quote
No other range of sliding-sash window looks as authentic!
Our range of uPVC sliding-sash windows have unbeatable authenticity and exceptional performance – but as a range are also hugely versatile, able to suit a diverse array of properties, budgets and applications.
Decades has gone into making outstandingly authentic, exceptionally performing sliding-sash windows that have been cleared for use in conservation areas.
With generous selections of colour and finishing options, robust energy and security performance, and, above all, their incomparable vintage charm, uPVC sliding-sash windows have never been a greater choice for your home!
It’s the the tiny details that make them virtually indistinguishable from a classic timber sash. Some of features include:
Our sash windows also feature a tilt and turn mechanism, allowing them to be opened like a conventional window. This makes them easy to clean from the inside too.
They are perfect for period cottages and houses that want to retain their authentic look with a modern maintenance free, secure, and double-glazed heat-retaining solution. Here are some photographs from a recent installation:
Full mechanical joints emulating traditional joinery
Run-through sash horn
Authentic woodgrain finish
Traditional globe claw furniture
Ultra slim sightlines, including 35mm meeting rail
Authentic surface-mounted astragal bars in a range of period designs
A-rated energy efficiency
Tilting sashes for easy cleaning
Maintenance free – no more painting!
Anti-jemmy bar
Wide choice of furniture colours and glass options
Safety-enhancing limit stops that restrict how far sashes open (optional)
With detailed period features such as these, coupled with the deep bottom rails and external putty lines, it would take an expert to tell it apart from a genuine timber sash. What’s more, you get all that careful craftsmanship, historic detailing and vintage appeal with the all-round exceptional performance of twenty-first century uPVC.
Pivot windows (currently under development)
Designed as a direct replacement for steel windows
Polyamide thermal break provides enhanced thermal performance
Fixed windows
Top hung open out casements
Single or double sash, side hung open out casements
Our Windows Meet the Strict Criteria of British Standards for Enhanced Security
You can choose from highly efficient double or triple glazed units, attaining U-values of 0.8 with triple glazing, and 1.2 with double glazing, far surpassing the British Building Regulation requirements. All of this contributes to lower energy bills, keeping you cosy in the winter and cool in the summer.
A Selection From Our Other Custom Choice Windows Gallery
See our outstanding customer reviews
Our products come with a
10 YEAR
Insurance backed guarantee
See our wide
Range of colours