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Holywood · County Down

Sash Windows in Holywood

Rattling, rotten or stuck sashes in Holywood can often be replaced while keeping your original box frames, linings and architraves where the timber is sound.

  • BT18
  • Guide from £1,495

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Timber sash windows across Holywood

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.

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.

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.

Timber sash windows are usually made from engineered softwood or durable hardwoods, factory primed and finished with microporous paint that lets moisture escape. Factory finishing gives a more even coat than painting on site, but timber still needs periodic redecoration, and the interval depends on exposure and colour.

What you get

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

Working in Holywood

Postcodes covered
BT18 and the surrounding area, including Dundonald, Newtownabbey and Belfast
Coast
Holywood is about 2 km from the coast or a tidal estuary, so salt air and wind-driven rain are worth planning for. Salt-laden wind and driving rain shorten the life of paint on exposed sashes, so coastal timber windows benefit from durable timbers, good factory coatings and regular inspection. Brass or stainless sash furniture resists corrosion better than plated steel near the sea.
Daylight and sun
In Holywood the midwinter sun reaches about 12° above the horizon at noon, with roughly 7.0 hours of daylight, rising to about 59° and 17.0 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 Northern Ireland
Technical Booklet V covers safety glazing in Northern Ireland, including glass in and around doors and low-level glazing where people could walk into it.

Guide prices in Holywood

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

Where a window provides an escape route, its replacement in Northern Ireland should give at least the same escape opening as before.

Choosing your sash windows

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.

Timber box sash

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

Sash Windows in Holywood: questions

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.

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.

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.

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.

Do you cover Holywood for sash windows?

Yes. We can quote for sash windows across Holywood and the surrounding County Down area, including postcode districts BT18, and nearby Dundonald, Newtownabbey and Belfast. Start with your postcode on the quote form and a glazier will arrange a free survey before giving you a written quote.

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