Two-storey extensions in Dalgety Bay
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Dalgety Bay.
Dalgety Bay at a glance
- Postcode districts
- KY11
- Area
- Fife, Scotland
- Price region
- Scotland
- Nearest towns
- Rosyth (3.4 miles), Queensferry (3.6 miles), Burntisland (4.7 miles), Dunfermline (4.9 miles)
- Distance to Dunfermline
- about 4.9 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 KY11 in and around Dalgety Bay, along with neighbouring Rosyth, Queensferry and Burntisland.
Extensions available in Dalgety Bay

Two-storey rear extensions
Design, approvals and build for Dalgety Bay homes. Guide from £52,500.
Learn more
Two-storey side extensions
Guide from £81,000 in Dalgety Bay, including VAT.
Learn more
Two-storey wraparound extensions
Design, approvals and build for Dalgety Bay homes. Guide from £113,000.
Learn more
Part single, part two-storey extensions
Guide from £67,500 in Dalgety Bay, including VAT.
Learn more
Extensions over a garage
Dalgety Bay guide price from £29,500, Standard spec.
Learn more
First-floor extensions
Guide from £23,500 in Dalgety Bay, including VAT.
Learn more
Two-storey extensions for semi-detached houses
For homes in Dalgety Bay: typical guide from £52,500.
Learn more
Two-storey extensions for detached houses
Guide from £81,000 in Dalgety Bay, including VAT.
Learn more
Kitchen extensions with bedrooms above
Guide from £52,500 (before kitchen units) in Dalgety Bay, including VAT.
Learn more
Extra bedroom and en-suite extensions
Dalgety Bay guide price from £52,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
If you're not sure which type fits, that's what the free visit is for. We'll sketch the realistic options for your house in Dalgety Bay, with a rough idea of the approval route and cost for each.
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 Dalgety Bay
Dalgety Bay 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 Dalgety Bay
Do you cover Dalgety Bay?
Yes. We cover Dalgety Bay (KY11) and the surrounding area, including Rosyth and Queensferry. The first site visit is free.
What does a two-storey extension cost in Dalgety Bay?
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 Dalgety Bay do you cover?
Everywhere around it, including Rosyth (3.4 miles), Queensferry (3.6 miles) and Burntisland (4.7 miles), and the rest of Fife.