Oxfordshire · England
Sash Windows in Oxfordshire
Homeowners and landlords in Oxfordshire can get a written sash window quote that fixes the price for the joinery, glass, colour and hardware shown.
- Guide from £1,495
- 10 towns covered
- Postcode areas OX, RG, SN
Sash windows across Oxfordshire
Sash window prices depend on size, timber or uPVC, whether you replace the whole frame or just the sashes, the glazing bar pattern, horns and mouldings, glass type and the paint colour. Listed or conservation work that needs matching details costs more. See the guide prices for typical ranges.
Security on sash windows comes from keyed sash locks at the meeting rails, sash stops that limit the opening for ventilation and child safety, laminated glass, and close-fitting staff and parting beads. Ground-floor sashes in older houses are often the weakest point, so locks are worth upgrading during replacement.
A traditional box sash hides cast-iron or lead weights inside the side boxes of the frame, connected to each sash by cords running over pulleys. Modern sash windows often use spiral or spring balances instead, which take up less depth and suit uPVC and some new timber designs without weight pockets.
Heavy double glazed sashes need matching weights. When single glazed sashes are swapped for double glazed ones in an existing box, the old weights are usually too light, so the glazier re-weighs each sash to stop it dropping or creeping up, and checks the pulleys can carry the load.
What applies in Oxfordshire
Approved Document K requires safety glass in critical locations in England: glazing in doors and in side panels within 300 mm of a door, up to 1500 mm above floor level, and any glazing in walls or partitions up to 800 mm above floor level.
Replacing windows and doors with similar ones is usually permitted development for houses in England. Flats, listed buildings and homes in conservation areas or covered by an Article 4 direction can need permission, so check with the council first.
Oxfordshire is inland, around 56 km from the nearest coast at its closest point, so salt exposure is rarely a factor.
Terraced streets and conservation areas often control sash details on front elevations, so check requirements before ordering. Flats need planning permission and freeholder consent, and upper-floor sashes are usually fitted from inside, with careful protection of communal stairs and hallways.
Guide prices
| Typical job | Guide price inc VAT |
|---|---|
| uPVC sliding sash, 900 × 1500 mm | £1,495 – £1,995 |
| Timber-effect uPVC sash, 900 × 1500 mm | £1,795 – £2,295 |
| Painted timber sash, 900 × 1500 mm | £2,595 – £3,295 |
Choosing your sash windows
Tilt-in sashes
Sashes that tilt inwards for cleaning upper-floor glass from inside, and can help provide an escape opening.
uPVC sliding sash
Low-maintenance uPVC frames with sculpted profiles and optional woodgrain foils, suited to homes where planning rules allow uPVC.
Replacement sashes only
New double glazed sashes fitted into your existing sound box frame, keeping original linings, architraves and plasterwork.
Glazing bar patterns
Two over two, six over six or other bar layouts, as true divisions or bars bonded to the glass faces.
Sash Windows in Oxfordshire: questions
Can I have double glazed sash windows in a listed building?
Sometimes, but listed building consent is needed for significant works, and some councils will only accept repair of the original windows or slim double glazing with matching details. Secondary glazing is often accepted where new windows are not. Speak to your council's conservation officer before ordering; we can provide drawings and specifications to support an application.
How long does it take to replace sash windows?
Fitting a single sash window usually takes most of a day, longer where the box frame is removed or plaster disturbed. A whole house typically takes several days on site. The windows are made to order first, and timber sashes with special details take longer to manufacture; the lead time is confirmed in writing with your quote.
How much do sash windows cost?
The cost of sash windows depends on size, material, whether you replace the whole frame or only the sashes, the glazing bar pattern, the glass and the finishing details such as horns and mouldings. Timber usually costs more than uPVC, and listed building work costs more again. See the guide prices for typical ranges; the written quote fixes your price.
What guarantee comes with new sash windows?
Manufacturer guarantees apply to the joinery, finish, sealed units and hardware, and the terms are confirmed in writing. Cover on the paint finish often depends on regular maintenance, so check the conditions. Guarantee terms for the installation are set out in writing with your quote, so you know what is covered before agreeing to go ahead.
Which parts of Oxfordshire do you cover for sash windows?
We cover the whole of Oxfordshire, including Oxford, Banbury, Abingdon, Bicester and Didcot, and postcode areas OX, RG, SN. Building rules for sash windows here follow the regulations for England. Enter your postcode on the quote form and we will confirm cover; then a glazier will arrange a free survey before giving you a written quote.
Other glazing services in Oxfordshire
- Replacement Glass in Oxfordshire
- Misted Glass Repair in Oxfordshire
- Emergency Glazing in Oxfordshire
- Safety Glass in Oxfordshire
- Window Repairs in Oxfordshire
- Window Film in Oxfordshire
- uPVC Windows in Oxfordshire
- Aluminium Windows in Oxfordshire
- Composite Doors in Oxfordshire
- Bifold Doors in Oxfordshire
- Sliding Doors in Oxfordshire
- Secondary Glazing in Oxfordshire
- Roof Lanterns in Oxfordshire
- Glass Balustrades in Oxfordshire
- Frameless Glass in Oxfordshire
- Shower Screens in Oxfordshire
- Glass Splashbacks in Oxfordshire
- Bespoke Mirrors in Oxfordshire
- Glass Roofs in Oxfordshire
- Shopfront Glazing in Oxfordshire
- Curtain Walling in Oxfordshire
- Glass Partitions in Oxfordshire
- Property Glazing in Oxfordshire
Get a written quote in Oxfordshire
Free survey for new glazing, clear guide prices and one point of contact for every glazing job.