Two-storey extensions in Bo’ness
Everything for a two-storey extension in Bo’ness, in one place: types, guide prices for Scotland, the approval rules in Scotland and how to get started.
Bo’ness at a glance
- Postcode districts
- EH51
- Area
- Falkirk, Stirling and Clackmannanshire, Scotland
- Price region
- Scotland
- Nearest towns
- Linlithgow (2.8 miles), Grangemouth (4.1 miles), Falkirk (6.6 miles), Rosyth (7 miles)
- Distance to Stirling
- about 14.2 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 Bo’ness we also work in Linlithgow, Grangemouth and Falkirk, and across the rest of Falkirk, Stirling and Clackmannanshire. Postcode district in and near Bo’ness: EH51.
Extensions available in Bo’ness

Two-storey rear extensions
Bo’ness guide price from £52,500, Standard spec.
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Two-storey side extensions
Bo’ness guide price from £81,000, Standard spec.
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Two-storey wraparound extensions
From £113,000 in Bo’ness. Free visit to firm it up.
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Part single, part two-storey extensions
Design, approvals and build for Bo’ness homes. Guide from £67,500.
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Extensions over a garage
Bo’ness guide price from £29,500, Standard spec.
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First-floor extensions
Bo’ness guide price from £23,500, Standard spec.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Bo’ness homes. Guide from £52,500.
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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
For homes in Bo’ness: typical guide from £52,500 (before kitchen units).
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Extra bedroom and en-suite extensions
Guide from £52,500 (plus en-suite) in Bo’ness, including VAT.
Learn moreWhich type suits your house?
Which type suits your house in Bo’ness 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 Falkirk, Stirling and Clackmannanshire
- 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 Bo’ness
Bo’ness 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 Bo’ness
Do you cover Bo’ness?
Yes. We cover Bo’ness (EH51) and the surrounding area, including Linlithgow and Grangemouth. The first site visit is free.
What does a two-storey extension cost in Bo’ness?
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 Bo’ness do you cover?
Everywhere around it, including Linlithgow (2.8 miles), Grangemouth (4.1 miles) and Falkirk (6.6 miles), and the rest of Falkirk, Stirling and Clackmannanshire.