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Sash windows · Scotland

Triple glazed sash windows in Lanarkshire

Triple glazed sash windows across Lanarkshire: free survey, written fixed quote, and fitting by installation teams working for us. Towns we cover include East Kilbride, Hamilton and Wishaw.

9Towns with local pages
ScotlandRules applied
1.6U-value limit (W/m²K)
6 to 10 weeksTypical lead time
White vertical sliding sash windows on a Victorian London terrace

Victorian and Georgian looks with modern glass and locks. A sash window has one or two sashes that slide up and down in a box frame.

Guide prices across Lanarkshire

Small window

about 600 x 1000 mm (bathroom, landing)

£1,295 – £1,595inc VAT · £1,080 – £1,330 ex VAT

  • uPVC frame, triple glazed, warm-edge spacers
  • Removal and disposal of the old window
  • Fitted, sealed and made good inside and out
Typical size

Medium window

about 1200 x 1200 mm (bedroom)

£1,695 – £2,095inc VAT · £1,410 – £1,745 ex VAT

  • uPVC frame, triple glazed, warm-edge spacers
  • Removal and disposal of the old window
  • Fitted, sealed and made good inside and out

Large window

about 1800 x 1200 mm (lounge)

£2,595 – £3,195inc VAT · £2,160 – £2,660 ex VAT

  • uPVC frame, triple glazed, warm-edge spacers
  • Removal and disposal of the old window
  • Fitted, sealed and made good inside and out

Guide prices, supply and fit. The written quote after your survey fixes the price for the specification shown; anything extra is agreed with you first.

Towns in Lanarkshire

Rules in Scotland

In Scotland, replacement windows must meet 1.6 W/m²K. Replacing a window or door, frame and all, does not need a building warrant, but the work must still meet the building standards.

Before ordering: Since May 2024, replacement windows on houses are widely permitted development, including in many conservation areas, with front elevations expected to match the existing closely; your council tells you if prior notification applies. Flats outside conservation areas generally need permission only if the opening size changes. Listed buildings need listed building consent.

How it works

After the free survey you get a written quote naming the frame system, the glass build-up and the whole-window U-value for every item. Windows are made to order, then fitted, sealed and made good, one opening at a time.

  • Every opening measured, including escape and vent needs
  • Frames rated for the weight of triple glass
  • Old windows removed and taken away
  • Each opening closed up the same day

Questions

Can I keep my original sash boxes?

Sometimes. A timber specialist can fit new sashes into sound original boxes, but the glass thickness is limited by the sash depth.

Are uPVC sashes allowed in conservation areas?

It depends on the council and any Article 4 direction. Timber is often expected on front elevations. Check before ordering.

Will triple glazing make my sashes heavy to lift?

The balances are sized for the sash weight, so they should slide smoothly. Heavier sashes use stronger balances or weights.

Do you cover all of Lanarkshire?

We arrange surveys and fitting across Lanarkshire.

Do I need permission for triple glazed sash windows in Scotland?

In Scotland, replacement windows on houses are widely permitted development since May 2024, with front elevations expected to match closely; listed buildings need consent.

Sash windows in nearby areas of Scotland

Other products in Lanarkshire

Sash windows across Lanarkshire

Written quote fixed for the specification, after a free survey. No building warrant is needed for a straight replacement in Scotland; we fit to the building standards and give you a written handover pack.

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