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uPVC Sash Windows in north and east Leeds, Wetherby and Harrogate
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uPVC sliding sash windows give period homes back their elegance, without the draughts, rot and repainting of old timber sashes. We install them across north and east Leeds, Wetherby and Harrogate, including the Victorian and Edwardian villas of Roundhay, Headingley and Chapel Allerton, with a 15-year guarantee.
- Family business, 3rd generation
- Over 30 years' experience
- Made in our own workshop
- Installed by our own fitters
- No subcontractors, ever
- 15-year written guarantee
The period look, without the draughts
Our uPVC sliding sash windows recreate a traditional box sash, with almost invisible joints, run-through horns, an ovolo-shaped frame and an optional deep bottom rail. You get modern insulation and security, and none of the rattling, rot or repainting.
Technical details
| Energy rating | A-rated, with a U-value of 1.4 W/m²K as standard or 1.2 W/m²K with the thermal upgrade (no krypton gas needed) |
|---|---|
| Glass | 24 mm argon-filled double glazing, with laminated, toughened and obscure options such as Bark, Contour and Leaf |
| Frame depth | 128 mm |
| Size range | 375 to 1500 mm wide and 800 to 3000 mm high |
| Cill options | 150 mm or 210 mm |
| Security | |
| Easy cleaning | Sashes slide and tilt inwards so you can clean the outside from inside |
| Safety | Restrictors that limit opening to about 100 mm, plus a fire-escape option |
Glazing bars and finishing touches
Choose plain sashes, a centre bar, three-light, offset three-light, two-over-three or asymmetric astragal bar layouts. Further options include standard or slim midrails, sash horns, colour-matched trickle vents and woolpile, and lift hooks, D-handles, sash knobs and pole eyes.
Sliding sash windows we install
Close-ups: details, glass and hardware
Last updated: 19 October 2026
Why homeowners choose Roundhay Windows And Doors
A family name on every job
We are a third-generation family business. One of the family looks after your enquiry and keeps an eye on your installation from start to finish.
More than three decades of know-how
Our family has been making and installing windows and doors for over 30 years, so we have seen every kind of opening, bay and awkward corner.
Built in our own workshop
We make your frames to measure ourselves instead of buying them in, so we can check the quality of every joint, seal and lock.
Our fitters, nobody else's
The people who arrive at your door work for us. We never hand your installation to a subcontractor.
15 years of cover, in writing
Every installation comes with our written 15-year guarantee. Read what it covers.
A free survey and a firm price
We visit, measure and talk through the options, then give you a fixed written quote. No hard sell, and no obligation.
Common questions
Will uPVC sashes look right on my period home?
Yes. Run-through horns, ovolo detailing, slim midrails and astragal bars give authentic proportions. In a conservation area, check with the council first. Listed buildings need consent.
Can I clean the outside of the glass from inside?
Yes. The sashes slide and tilt inwards.
Areas we cover
Roundhay and north Leeds
Leeds city and inner north
- Chapel Allerton LS7
- Headingley LS6
Wetherby, Harrogate and north-east
- Wetherby LS22
- Harewood LS17
- Collingham LS22
- Boston Spa LS23
- Harrogate HG1, HG2, HG3
- Knaresborough HG5
- Pannal HG3
Can't see your area? WhatsApp us your postcode and we will tell you straight away if we can help.