Two-storey extensions in Giffnock
Everything for a two-storey extension in Giffnock, in one place: types, guide prices for Scotland, the approval rules in Scotland and how to get started.
Giffnock at a glance
- Postcode districts
- G43, G44 and G46
- Area
- Glasgow and Dunbartonshire, Scotland
- Price region
- Scotland
- Nearest towns
- Clarkston (1.4 miles), Newton Mearns (2.6 miles), Rutherglen (3.6 miles), Barrhead (3.8 miles)
- Distance to Glasgow
- about 4.5 miles
- Approvals
- Class 1B: two-storey extensions must be at least 10 m from every boundary to avoid planning permission, so most need an application.
Around Giffnock we also work in Clarkston, Newton Mearns and Rutherglen, and across the rest of Glasgow and Dunbartonshire. Postcode districts in and near Giffnock: G43, G44 and G46.
Extensions available in Giffnock

Two-storey rear extensions
Our Scotland guide starts at £52,500 for this type.
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Two-storey side extensions
Giffnock guide price from £81,000, Standard spec.
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Two-storey wraparound extensions
Our Scotland guide starts at £113,000 for this type.
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Part single, part two-storey extensions
From £67,500 in Giffnock. Free visit to firm it up.
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Extensions over a garage
For homes in Giffnock: typical guide from £29,500.
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First-floor extensions
From £23,500 in Giffnock. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Guide from £52,500 in Giffnock, including VAT.
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Two-storey extensions for detached houses
Our Scotland guide starts at £81,000 for this type.
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Kitchen extensions with bedrooms above
Our Scotland guide starts at £52,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
From £52,500 (plus en-suite) in Giffnock. Free visit to firm it up.
Learn moreWhich type suits your house?
Which type suits your house in Giffnock depends mostly on where you have room. A deep garden points to a rear extension; space beside the house points to a side or over-garage extension; a house that already has a single-storey extension can often take a first floor on top.
Also available in Glasgow and Dunbartonshire
- Two-storey front extensions
- Two-storey extensions for end-of-terrace houses
- Two-storey annexe extensions
- Garage conversions with a room above
- Two-storey extension plans and drawings
- Planning permission for two-storey extensions
- Structural engineering for two-storey extensions
- Building regulations for two-storey extensions
- Design and build two-storey extensions
Rules for Giffnock
Giffnock is in Scotland. Class 1B: two-storey extensions must be at least 10 m from every boundary to avoid planning permission, so most need an application. Householder planning application: £371. Councils have two months to decide a local planning application.
The full Scotland rules explained
Questions about extensions in Giffnock
Do you cover Giffnock?
Yes. We cover Giffnock (G43, G44 and G46) and the surrounding area, including Clarkston and Newton Mearns. The first site visit is free.
What does a two-storey extension cost in Giffnock?
Using our Scotland guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £52,500–£71,000 including VAT. An extension over a garage is about £29,500–£43,000.
Which other places near Giffnock do you cover?
Everywhere around it, including Clarkston (1.4 miles), Newton Mearns (2.6 miles) and Rutherglen (3.6 miles), and the rest of Glasgow and Dunbartonshire.