Two-storey extensions in Alexandria
We design, get approval for and build two-storey extensions in Alexandria and the surrounding area. Choose the type of extension below or book a free site visit.
Alexandria at a glance
- Postcode districts
- G83
- Area
- Glasgow and Dunbartonshire, Scotland
- Price region
- Scotland
- Nearest towns
- Bonhill (1.3 miles), Vale of Leven (1.6 miles), Dumbarton (3.5 miles), Helensburgh (5.5 miles)
- Distance to Glasgow
- about 15.5 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.
We cover Alexandria (G83) and the places around it, including Bonhill (1.3 miles), Vale of Leven (1.6 miles) and Dumbarton.
Extensions available in Alexandria
Two-storey rear extensions
Alexandria guide price from £52,500, Standard spec.
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Two-storey side extensions
Design, approvals and build for Alexandria homes. Guide from £81,000.
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Two-storey wraparound extensions
Guide from £113,000 in Alexandria, including VAT.
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Part single, part two-storey extensions
Design, approvals and build for Alexandria homes. Guide from £67,500.
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Extensions over a garage
Design, approvals and build for Alexandria homes. Guide from £29,500.
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First-floor extensions
Guide from £23,500 in Alexandria, including VAT.
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Two-storey extensions for semi-detached houses
For homes in Alexandria: typical guide from £52,500.
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Two-storey extensions for detached houses
Design, approvals and build for Alexandria homes. Guide from £81,000.
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Kitchen extensions with bedrooms above
Alexandria guide price from £52,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
From £52,500 (plus en-suite) in Alexandria. Free visit to firm it up.
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in Alexandria we measure distances to every boundary before suggesting a type.
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 Alexandria
Alexandria 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 Alexandria
Do you cover Alexandria?
Yes. We cover Alexandria (G83) and the surrounding area, including Bonhill and Vale of Leven. The first site visit is free.
What does a two-storey extension cost in Alexandria?
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 Alexandria do you cover?
Everywhere around it, including Bonhill (1.3 miles), Vale of Leven (1.6 miles) and Dumbarton (3.5 miles), and the rest of Glasgow and Dunbartonshire.