Sliding Sash Windows
Timeless style and modern innovation—Sliding Sash Windows built to perform.
At Evolve Home Improvements, we specialise in Legacy uPVC Sliding Sash Windows
—offering the charm of traditional timber with the benefits of modern materials.
Using the latest technology, our sliding sash windows deliver ‘A’ rated energy efficiency, low maintenance, and enhanced security features. Whether you’re renovating a heritage home or fitting a new build, our expert team will help you find the perfect style, colour, and hardware to suit your home.
‘A’ Energy Rated as Standard
PAS 24 Upgrade Available
Low Maintenance with Timber-Look Aesthetic
Benefits of Sliding Sash Windows
Our Legacy uPVC sliding sash windows are designed to replicate traditional timber windows, while providing excellent performance for modern living.
- Authentic period styling
- Smooth and reliable sliding mechanism
- Outstanding thermal insulation
- Slim midrail now available for a refined look
- Robust hardware options in heritage finishes
- 10-Year Manufacturing Guarantee
Security & Performance
Our sash windows come with a host of security and performance upgrades to meet today’s standards without compromising on heritage charm.
They are fitted with high-security locks, reinforced tilt latches, and robust top sash security bolts. For new builds, the PAS 24 upgrade offers full compliance with modern building regulations. Every window features 24mm double glazing with argon gas and Low-E glass to reduce heat loss and improve comfort all year round.
- Optional PAS 24 Security Package
- Reinforced Tilt Latches
- Top Sash Security Bolts
- High-Security Locks and Keeps
- Energy-efficient 24mm double glazing
- Low-E glass as standard
Our Favourite Sliding Sash Window Colours
Our uPVC sliding sash windows are available in a beautiful selection of heritage-inspired colours and realistic woodgrain finishes—ideal for period homes or adding character to modern properties.
Choose from popular options such as:
Smooth White
White Grain
Cream Grain
Grey Grain
Agate Grey
Chartwell Green
Black Ash
Irish Oak
Golden Oak
Rosewood
Bespoke Ral
We also offer dual colour combinations (e.g. Grey Grain outside with White inside) and a bespoke colour bonding service to match virtually any shade. Perfect for creating a tailored look inside and out. *Please note: some colour options may require longer lead times.
Optional Upgrades for Sliding Sash Windows
Tailor your sash windows with optional glazing and hardware finishes:
- Laminated glass for added safety
- Obscure satin glass for privacy
- Decorative Georgian or Astragal bars
- Hardware in heritage finishes
- Optional travel restrictors
- Spacer bars in multiple colour options
Customer testimonials
Craig & the team fitted our new windows & doors, came when they said and kept us in the loop with what they were doing and when.
Andrew Tailford
5 star experience from start to finish, we will definitely use evolve again if we need any future work!
Imogen Hudson
Very happy with the work carried out by Evolve Home Improvements Ltd.
Jennie McGovern
Excellent service – no pressure and provided expert advice on the type of door we needed. 100% recommend.
Ryan Carr
Lads turned up on time. Did a brilliant job fitting my door. Cleared up after themselves. Very polite. Would definitely recommend.
Sharon Carruthers
At Evolve We Make Improving Your Home Simple
At Evolve, we make improving your home straightforward and stress-free. Our wide range of high-quality windows and doors, combined with expert installation and tailored solutions, ensures your home looks great and performs even better.
- Tailored solutions to match your home’s style.
- Professional fitting for a perfect finish.
- Improve your home’s insulation and reduce bills.
Craig & the team fitted our new windows & doors, came when they said and kept us in the loop with what they were doing and when.
Andrew Tailford