Two-storey extensions in Rosyth
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Rosyth.
Rosyth at a glance
- Postcode districts
- KY11
- Area
- Fife, Scotland
- Price region
- Scotland
- Nearest towns
- Dunfermline (2.5 miles), Dalgety Bay (3.4 miles), Queensferry (3.5 miles), Cowdenbeath (6.3 miles)
- Distance to Dunfermline
- about 2.5 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 Rosyth we also work in Dunfermline, Dalgety Bay and Queensferry, and across the rest of Fife. Postcode district in and near Rosyth: KY11.
Extensions available in Rosyth

Two-storey rear extensions
From £52,500 in Rosyth. Free visit to firm it up.
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Two-storey side extensions
Our Scotland guide starts at £81,000 for this type.
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Two-storey wraparound extensions
For homes in Rosyth: typical guide from £113,000.
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Part single, part two-storey extensions
Rosyth guide price from £67,500, Standard spec.
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Extensions over a garage
Design, approvals and build for Rosyth homes. Guide from £29,500.
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First-floor extensions
Design, approvals and build for Rosyth homes. Guide from £23,500.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Rosyth homes. Guide from £52,500.
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Two-storey extensions for detached houses
From £81,000 in Rosyth. Free visit to firm it up.
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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
Rosyth guide price from £52,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Which type suits your house in Rosyth 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 Fife
- 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 Rosyth
Rosyth 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 Rosyth
Do you cover Rosyth?
Yes. We cover Rosyth (KY11) and the surrounding area, including Dunfermline and Dalgety Bay. The first site visit is free.
What does a two-storey extension cost in Rosyth?
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 Rosyth do you cover?
Everywhere around it, including Dunfermline (2.5 miles), Dalgety Bay (3.4 miles) and Queensferry (3.5 miles), and the rest of Fife.