Two-storey extensions in Kirkwall
Need more room in Kirkwall? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
We take on projects in Kirkwall by arrangement. Site visits here aren't free as standard, and we'll agree travel costs with you in writing first.
Kirkwall at a glance
- Postcode districts
- KW15 and KW17
- Area
- The Highlands, Moray and Islands, Scotland
- Price region
- Scotland
- Nearest towns
- Thurso (33.9 miles), Wick (38 miles), Lossiemouth (88.1 miles), Tain (90.2 miles)
- Distance to Inverness
- about 113.8 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 Kirkwall we also work in Thurso, Wick and Lossiemouth, and across the rest of the Highlands, Moray and Islands. Postcode districts in and near Kirkwall: KW15 and KW17.
Extensions available in Kirkwall

Two-storey rear extensions
Kirkwall guide price from £52,500, Standard spec.
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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
Design, approvals and build for Kirkwall homes. Guide from £113,000.
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Part single, part two-storey extensions
Kirkwall guide price from £67,500, Standard spec.
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Extensions over a garage
Our Scotland guide starts at £29,500 for this type.
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First-floor extensions
For homes in Kirkwall: typical guide from £23,500.
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Two-storey extensions for semi-detached houses
For homes in Kirkwall: typical guide from £52,500.
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Two-storey extensions for detached houses
Guide from £81,000 in Kirkwall, including VAT.
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Kitchen extensions with bedrooms above
For homes in Kirkwall: typical guide from £52,500 (before kitchen units).
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Extra bedroom and en-suite extensions
Design, approvals and build for Kirkwall homes. Guide from £52,500 (plus en-suite).
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in the Highlands, Moray and Islands, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
Also available in the Highlands, Moray and Islands
- 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 Kirkwall
Kirkwall 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 Kirkwall
Do you cover Kirkwall?
Yes. We cover Kirkwall (KW15 and KW17) and the surrounding area, including Thurso and Wick. Visits here are by arrangement.
What does a two-storey extension cost in Kirkwall?
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 Kirkwall do you cover?
Everywhere around it, including Thurso (33.9 miles), Wick (38 miles) and Lossiemouth (88.1 miles), and the rest of the Highlands, Moray and Islands.