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Sash windows · Scotland

Triple glazed sash windows in Argyll and Bute

We survey and fit triple glazed sash windows across Argyll and Bute, from Helensburgh and Dunoon to smaller towns such as Campbeltown. Island and remote districts are by arrangement, with travel and access costs shown separately on your quote.

5Towns 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

Vertical sliding sashes, made triple glazed where the design allows. A sash window has one or two sashes that slide up and down in a box frame.

Guide prices across Argyll and Bute

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 Argyll and Bute

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

We start with a survey, not a sales pitch: measurements, the structure above any bays, trickle-vent needs and escape windows. The quote that follows fixes the price, and anything unexpected on the day is agreed with you first.

  • 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 Argyll and Bute?

We arrange surveys and fitting across Argyll and Bute. Island and remote districts are by arrangement, with travel and access costs shown separately on your quote.

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 Argyll and Bute

Sash windows across Argyll and Bute

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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