Two-storey extensions in Newton Mearns
Need more room in Newton Mearns? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Newton Mearns at a glance
- Postcode districts
- G77
- Area
- Glasgow and Dunbartonshire, Scotland
- Price region
- Scotland
- Nearest towns
- Clarkston (2.4 miles), Giffnock (2.6 miles), Barrhead (2.9 miles), Paisley (5.6 miles)
- Distance to Glasgow
- about 7 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.
We cover postcode district G77 in and around Newton Mearns, along with neighbouring Clarkston, Giffnock and Barrhead.
Extensions available in Newton Mearns

Two-storey rear extensions
Newton Mearns guide price from £52,500, Standard spec.
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Two-storey side extensions
For homes in Newton Mearns: typical guide from £81,000.
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Two-storey wraparound extensions
From £113,000 in Newton Mearns. Free visit to firm it up.
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Part single, part two-storey extensions
For homes in Newton Mearns: typical guide from £67,500.
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Extensions over a garage
Newton Mearns guide price from £29,500, Standard spec.
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First-floor extensions
For homes in Newton Mearns: typical guide from £23,500.
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Two-storey extensions for semi-detached houses
From £52,500 in Newton Mearns. Free visit to firm it up.
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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
Guide from £52,500 (before kitchen units) in Newton Mearns, including VAT.
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Extra bedroom and en-suite extensions
From £52,500 (plus en-suite) in Newton Mearns. Free visit to firm it up.
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Newton Mearns we also design annexes, home offices and bedrooms over garages.
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 Newton Mearns
Newton Mearns 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 Newton Mearns
Do you cover Newton Mearns?
Yes. We cover Newton Mearns (G77) and the surrounding area, including Clarkston and Giffnock. The first site visit is free.
What does a two-storey extension cost in Newton Mearns?
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 Newton Mearns do you cover?
Everywhere around it, including Clarkston (2.4 miles), Giffnock (2.6 miles) and Barrhead (2.9 miles), and the rest of Glasgow and Dunbartonshire.