Two-storey extensions in Falkirk
We design, get approval for and build two-storey extensions in Falkirk and the surrounding area. Choose the type of extension below or book a free site visit.
Falkirk at a glance
- Postcode districts
- FK1 and FK2
- Area
- Falkirk, Stirling and Clackmannanshire, Scotland
- Price region
- Scotland
- Nearest towns
- Stenhousemuir (2 miles), Larbert (2.2 miles), Grangemouth (2.5 miles), Denny (5 miles)
- Distance to Stirling
- about 10 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.
Falkirk sits about 10.0 miles from Stirling. Closer to home, Stenhousemuir is 2.0 miles away and Larbert 2.2 miles.
Extensions available in Falkirk

Two-storey rear extensions
For homes in Falkirk: typical guide from £52,500.
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Two-storey side extensions
Falkirk guide price from £81,000, Standard spec.
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Two-storey wraparound extensions
Design, approvals and build for Falkirk homes. Guide from £113,000.
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Part single, part two-storey extensions
Design, approvals and build for Falkirk homes. Guide from £67,500.
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Extensions over a garage
For homes in Falkirk: typical guide from £29,500.
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First-floor extensions
For homes in Falkirk: typical guide from £23,500.
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Two-storey extensions for semi-detached houses
From £52,500 in Falkirk. Free visit to firm it up.
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Two-storey extensions for detached houses
Falkirk guide price from £81,000, Standard spec.
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Kitchen extensions with bedrooms above
For homes in Falkirk: typical guide from £52,500 (before kitchen units).
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Extra bedroom and en-suite extensions
For homes in Falkirk: typical guide from £52,500 (plus en-suite).
Learn moreWhich type suits your house?
Rear and side extensions suit most semi-detached and detached houses with room around them. Terraced and town-centre homes can take a two-storey extension too, with more care over neighbours, light and access.
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 Falkirk
Falkirk 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 Falkirk
Do you cover Falkirk?
Yes. We cover Falkirk (FK1 and FK2) and the surrounding area, including Stenhousemuir and Larbert. The first site visit is free.
What does a two-storey extension cost in Falkirk?
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 Falkirk do you cover?
Everywhere around it, including Stenhousemuir (2 miles), Larbert (2.2 miles) and Grangemouth (2.5 miles), and the rest of Falkirk, Stirling and Clackmannanshire.