Two-storey extensions in Isle of Islay
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Isle of Islay.
We take on projects in Isle of Islay by arrangement. Site visits here aren't free as standard, and we'll agree travel costs with you in writing first.
Isle of Islay at a glance
- Postcode districts
- PA43, PA44, PA45, PA46, PA48 and PA49
- Area
- Argyll and Bute, Scotland
- Price region
- Scotland
- Nearest towns
- Isle of Mull (49.1 miles), Campbeltown (35 miles), Lochgilphead (35.8 miles), Rothesay (46.1 miles)
- Distance to Helensburgh
- about 60.5 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 Isle of Islay (PA43, PA44, PA45, PA46, PA48 and PA49) and the places around it, including Isle of Mull (49.1 miles), Campbeltown (35.0 miles) and Lochgilphead.
Extensions available in Isle of Islay

Two-storey rear extensions
Design, approvals and build for Isle of Islay homes. Guide from £52,500.
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Two-storey side extensions
Guide from £81,000 in Isle of Islay, including VAT.
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Two-storey wraparound extensions
Design, approvals and build for Isle of Islay homes. Guide from £113,000.
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Part single, part two-storey extensions
Guide from £67,500 in Isle of Islay, including VAT.
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Extensions over a garage
Design, approvals and build for Isle of Islay homes. Guide from £29,500.
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First-floor extensions
Isle of Islay guide price from £23,500, Standard spec.
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Two-storey extensions for semi-detached houses
Isle of Islay guide price from £52,500, Standard spec.
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Two-storey extensions for detached houses
Design, approvals and build for Isle of Islay homes. Guide from £81,000.
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Kitchen extensions with bedrooms above
For homes in Isle of Islay: 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 Isle of Islay, including VAT.
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Argyll and Bute, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
Also available in Argyll and Bute
- 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 Isle of Islay
Isle of Islay 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 Isle of Islay
Do you cover Isle of Islay?
Yes. We cover Isle of Islay (PA43, PA44, PA45, PA46, PA48 and PA49) and the surrounding area, including Isle of Mull and Campbeltown. Visits here are by arrangement.
What does a two-storey extension cost in Isle of Islay?
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 Isle of Islay do you cover?
Everywhere around it, including Isle of Mull (49.1 miles), Campbeltown (35 miles) and Lochgilphead (35.8 miles), and the rest of Argyll and Bute.