Two-storey extensions in Ballycastle
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Ballycastle.
Ballycastle at a glance
- Postcode districts
- BT54
- Area
- County Antrim, Northern Ireland
- Price region
- Northern Ireland
- Nearest towns
- Ballymoney (14 miles), Portrush (16 miles), Coleraine (17.4 miles), Portstewart (18.6 miles)
- Distance to Belfast
- about 43.8 miles
- Approvals
- Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Most others need planning permission.
Around Ballycastle we also work in Ballymoney, Portrush and Coleraine, and across the rest of County Antrim. Postcode district in and near Ballycastle: BT54.
Extensions available in Ballycastle
Two-storey rear extensions
Our Northern Ireland guide starts at £49,500 for this type.
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Two-storey side extensions
Our Northern Ireland guide starts at £76,000 for this type.
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Two-storey wraparound extensions
From £106,000 in Ballycastle. Free visit to firm it up.
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Part single, part two-storey extensions
Our Northern Ireland guide starts at £63,500 for this type.
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Extensions over a garage
Our Northern Ireland guide starts at £27,500 for this type.
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First-floor extensions
Our Northern Ireland guide starts at £22,000 for this type.
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Two-storey extensions for semi-detached houses
From £49,500 in Ballycastle. Free visit to firm it up.
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Two-storey extensions for detached houses
Ballycastle guide price from £76,000, Standard spec.
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Kitchen extensions with bedrooms above
Our Northern Ireland guide starts at £49,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Ballycastle guide price from £49,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
If you're not sure which type fits, that's what the free visit is for. We'll sketch the realistic options for your house in Ballycastle, with a rough idea of the approval route and cost for each.
Also available in County Antrim
- 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 Ballycastle
Ballycastle is in Northern Ireland. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Most others need planning permission. Planning application for works to a house: £347. Councils aim to decide local applications within an average of 15 weeks; many take longer.
The full Northern Ireland rules explained
Questions about extensions in Ballycastle
Do you cover Ballycastle?
Yes. We cover Ballycastle (BT54) and the surrounding area, including Ballymoney and Portrush. The first site visit is free.
What does a two-storey extension cost in Ballycastle?
Using our Northern Ireland 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 £49,500–£66,500 including VAT. An extension over a garage is about £27,500–£40,500.
Which other places near Ballycastle do you cover?
Everywhere around it, including Ballymoney (14 miles), Portrush (16 miles) and Coleraine (17.4 miles), and the rest of County Antrim.