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Devizes · Wiltshire

Sash Windows in Devizes

Homeowners and landlords in Devizes can get a written sash window quote that fixes the price for the joinery, glass, colour and hardware shown.

  • SN10
  • Guide from £1,495

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Double glazed sash windows in Devizes: what to know

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.

Sash windows can be supplied as complete new frames, or as new double glazed sashes fitted into an existing sound box frame. Keeping the box retains original linings and architraves and reduces disturbance to plaster, but only works when the frame is free of rot and still square.

Slim double glazed units let sash windows keep fine glazing bars and traditional proportions while improving thermal performance. Bars can be true divisions with individual units, or bars bonded to both faces of a single unit with a spacer bar between the panes, which looks very similar from a short distance.

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.

What's included

  • Made-to-measure timber or uPVC sash windows
  • Survey recording mouldings, horns, bars and box condition
  • Removal of old sashes or frames and disposal
  • Double glazed units, with safety glass where required
Georgian terrace with white sliding sash windows

Devizes at a glance

Postcodes covered
SN10 and the surrounding area, including Calne, Melksham and Chippenham
Coast
Devizes is well inland, around 53 km from the nearest coast, so salt exposure is not usually a factor.
Daylight and sun
In Devizes the midwinter sun reaches about 15° above the horizon at noon, with roughly 7.6 hours of daylight, rising to about 62° and 16.4 hours in midsummer. Glazing bars and deep frames reduce daylight, so slimmer bars and high light-transmission low-E glass help north-facing rooms. Tall south-facing sashes can let in strong summer sun; the top sash can be lowered to vent warm air out at high level.
Access and setting
Older rural houses often have sash openings that are out of square, with soft stone or lime plaster around them, so each window is measured individually and fitted gently. Exposed sites benefit from draught seals and robust weatherboards on the bottom sash.
Rules in England
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.

Guide prices in Devizes

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

Get a guide price for your size

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.

Options to choose between

Timber box sash

Traditional weights, cords and pulleys in a box frame, made in engineered softwood or hardwood and factory painted to your colour.

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.

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 Devizes: questions

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.

What maintenance do timber sash windows need?

Timber sash windows need periodic repainting, how often depends on exposure, orientation and colour, plus routine checks of cords, pulleys and seals. Keep paint off the running surfaces, clean the sills and touch up chips before water gets in. Factory-finished timber lasts longer between coats than site-painted joinery, but still benefits from yearly inspection.

How secure are sash windows?

New sash windows can be secure when fitted with keyed locks at the meeting rails, sash stops, laminated glass and tight-fitting beads. Older sashes often rely on a single catch, which is easily forced. Upgrading ground-floor and easily reached windows first makes sense, and the glazier can recommend locks that suit the sash and frame.

Will double glazed sashes be too heavy for my existing frame?

Double glazed sashes are heavier than single glazed ones, so the box frame, pulleys and weights must cope. When new sashes go into an existing box, the glazier checks the pulleys and adds or replaces weights so each sash balances. If the box is weak or rotten, a new frame is the better option, and the survey will tell you.

Do you cover Devizes for sash windows?

Yes. We can quote for sash windows across Devizes and the surrounding Wiltshire area, including postcode districts SN10, and nearby Calne, Melksham and Chippenham. Start with your postcode on the quote form and a glazier will arrange a free survey before giving you a written quote.

Get a written quote in Devizes

Free survey for new glazing, clear guide prices and one point of contact for every glazing job.

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