Two-storey extensions in Annan
Everything for a two-storey extension in Annan, in one place: types, guide prices for Scotland, the approval rules in Scotland and how to get started.
Annan at a glance
- Postcode districts
- DG12
- Area
- Dumfries and Galloway, Scotland
- Price region
- Scotland
- Nearest towns
- Gretna (7.6 miles), Lockerbie (10.1 miles), Dumfries (15.1 miles), Locharbriggs (15.2 miles)
- Distance to Dumfries
- about 15.1 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 Annan (DG12) and the places around it, including Gretna (7.6 miles), Lockerbie (10.1 miles) and Dumfries.
Extensions available in Annan

Two-storey rear extensions
For homes in Annan: typical guide from £52,500.
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Two-storey side extensions
From £81,000 in Annan. Free visit to firm it up.
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Two-storey wraparound extensions
Our Scotland guide starts at £113,000 for this type.
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Part single, part two-storey extensions
From £67,500 in Annan. Free visit to firm it up.
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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
Design, approvals and build for Annan homes. Guide from £23,500.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Annan homes. Guide from £52,500.
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Two-storey extensions for detached houses
Annan guide price from £81,000, Standard spec.
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Kitchen extensions with bedrooms above
Guide from £52,500 (before kitchen units) in Annan, including VAT.
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Extra bedroom and en-suite extensions
Annan guide price from £52,500 (plus en-suite), Standard spec.
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 Annan we measure distances to every boundary before suggesting a type.
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 Annan
Annan 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 Annan
Do you cover Annan?
Yes. We cover Annan (DG12) and the surrounding area, including Gretna and Lockerbie. The first site visit is free.
What does a two-storey extension cost in Annan?
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 Annan do you cover?
Everywhere around it, including Gretna (7.6 miles), Lockerbie (10.1 miles) and Dumfries (15.1 miles), and the rest of Dumfries and Galloway.