Leicestershire · England

Sash Windows in Leicestershire

Living in a conservation area or listed building in Leicestershire? We can prepare sash window specifications and drawings to support your consent application.

Guide from £1,495
8 towns covered
Postcode areas CV, DE, LE

Leicestershire: uPVC sliding sash windows

Sash windows that run smoothly need routine care: keep the pulley wheels free of paint, wax or lightly lubricate the running channels, check the cords for fraying, and repaint timber before bare wood shows. Draught brush seals in the beads and meeting rails reduce rattles and heat loss.

Many Victorian and Georgian sashes reach low to the floor. In England, Approved Document K treats glazing within 800mm of floor level as a critical location, so the lower panes of tall sash windows usually need toughened or laminated safety glass, which should be permanently marked.

In England, Approved Document L allows an alternative where a window must keep a building's character: a centre-pane U-value no worse than 1.2 W/m²K, or single glazing supplemented by low-E secondary glazing. Otherwise a replacement should meet 1.4 W/m²K or Window Energy Rating band B.

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.

Georgian terrace with white sliding sash windows

Towns we cover for sash windows in Leicestershire

Choose your town for local details, nearby areas and the postcode districts we cover.

What applies in Leicestershire

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.

Approved Document Q applies to new homes in England, where doors and windows are expected to meet PAS 24 or an equivalent standard. It does not apply to replacements in existing homes, but PAS 24 products are still a sensible choice.

Leicestershire is inland, around 63 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

Guide prices inc VAT for typical jobs. Remote and island locations are quoted by arrangement. Your written quote fixes the price after measuring.
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

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.

Spring-balanced timber sash

Timber sashes running on concealed spring balances, giving a slimmer frame where weight pockets are not needed or space is tight.

uPVC sliding sash

Low-maintenance uPVC frames with sculpted profiles and optional woodgrain foils, suited to homes where planning rules allow uPVC.

Sash Windows in Leicestershire: questions

Do sash windows have to meet building regulations?

Yes. Replacement windows are controlled under building regulations across the UK, and the detail differs between nations. In England, the work can be self-certified by an installer registered with a competent person scheme or approved by building control. Energy, ventilation, safety glazing and escape all apply, though listed buildings may meet some standards only where reasonably practicable.

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.

Are uPVC sash windows allowed in conservation areas?

It depends on the council. Some conservation areas and Article 4 directions require timber on front elevations, while others accept well-detailed uPVC sashes with sculpted profiles and run-through horns. Listed buildings almost always need timber. Check your council's guidance or ask the planning department before choosing uPVC, because removing unauthorised windows later is costly.

Should I repair or replace my sash windows?

Repair suits sashes where the timber is mostly sound and only cords, beads or small sections need attention, especially in listed or conservation properties. Replacement suits frames with widespread rot, distortion or repeated failures, or where you want double glazing and better security. A survey of each window shows which approach makes sense, and we can quote either.

Which parts of Leicestershire do you cover for sash windows?

We cover the whole of Leicestershire, including Leicester, Loughborough, Hinckley, Coalville and Wigston Magna, and postcode areas CV, DE, LE. 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 Leicestershire

All glazing in Leicestershire · Sash Windows across the UK

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