Two-storey extensions in Cairnryan
Homeowners in Cairnryan can use us for the whole project or just the drawings and approvals. Start with a free visit.
Cairnryan at a glance
- Postcode districts
- DG9
- Area
- Dumfries and Galloway, Scotland
- Price region
- Scotland
- Nearest towns
- Stranraer (4.8 miles), Girvan (19.9 miles), Newton Stewart (21.3 miles), Ayr (37.2 miles)
- Distance to Dumfries
- about 56.2 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 Cairnryan (DG9) and the places around it, including Stranraer (4.8 miles), Girvan (19.9 miles) and Newton Stewart.
Extensions available in Cairnryan

Two-storey rear extensions
Guide from £52,500 in Cairnryan, including VAT.
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Two-storey side extensions
For homes in Cairnryan: typical guide from £81,000.
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Two-storey wraparound extensions
From £113,000 in Cairnryan. Free visit to firm it up.
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Part single, part two-storey extensions
Design, approvals and build for Cairnryan homes. Guide from £67,500.
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Extensions over a garage
For homes in Cairnryan: typical guide from £29,500.
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First-floor extensions
Design, approvals and build for Cairnryan homes. Guide from £23,500.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Cairnryan homes. Guide from £52,500.
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Two-storey extensions for detached houses
Guide from £81,000 in Cairnryan, including VAT.
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Kitchen extensions with bedrooms above
Design, approvals and build for Cairnryan homes. Guide from £52,500 (before kitchen units).
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Extra bedroom and en-suite extensions
Design, approvals and build for Cairnryan homes. Guide from £52,500 (plus en-suite).
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Cairnryan we also design annexes, home offices and bedrooms over garages.
Also available in Dumfries and Galloway
- 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 Cairnryan
Cairnryan 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 Cairnryan
Do you cover Cairnryan?
Yes. We cover Cairnryan (DG9) and the surrounding area, including Stranraer and Girvan. The first site visit is free.
What does a two-storey extension cost in Cairnryan?
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 Cairnryan do you cover?
Everywhere around it, including Stranraer (4.8 miles), Girvan (19.9 miles) and Newton Stewart (21.3 miles), and the rest of Dumfries and Galloway.