Vertical Sliding Sash Windows
Traditional sliding sash windows in uPVC, supplied by specialist manufacturers and fitted by our own team.

Supplied and fitted
We do not make vertical sliding sash windows ourselves. They are made by specialist sash manufacturers to the sizes we measure and fitted by our own FENSA-registered team.
ECOSlide
- Both sashes slide up and down on a balanced mechanism and stay at any height
- The sashes tilt inwards so the outside glass can be cleaned from indoors
- A+ energy rated as standard, with a U-value of 1.3
- Georgian or astragal bars, bay, arched and swept-head shapes
- Woodgrain finishes, colour outside with white inside, or spray painted to almost any RAL colour
Legacy
- Run-through sash horns and a deep bottom rail for a traditional timber look
- Optional mechanical corner joints in place of welded mitres
- Slide and tilt for easy cleaning
- Astragal bars and an ovolo weather bar
- Colour-matched trickle vents to meet Part F of the Building Regulations
Survey and quotation
We provide a free survey and measure. The lead time is written on the quotation.
Installation and warranty
We are FENSA registered. We remove and dispose of the old windows and glazing rubbish.
Our 10-year warranty covers faulty materials and workmanship, excluding mechanical faults and fair wear and tear.

Jobs we have fitted

uPVC vertical sliding sash windows on a terrace, London 
White vertical sliding sash window with Georgian bars, London 
Tall vertical sliding sash window in London stock brick, London
Talk to us
Call, message on WhatsApp or send the form. We'll arrange a free survey at a time that suits you.
- Phone
- 01582 662363
- 07450 451237
- Find us
- Unit 1, The Arianne Business Centre, Blackburn Road, Houghton Regis, Dunstable LU5 5DZ
- Come to the factory and we'll show you finished windows — no appointment needed.
- Opening hours
- Monday to Friday, 9:00 to 17:00
