Two-storey extensions in Coleraine
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Coleraine.
Coleraine at a glance
- Postcode districts
- BT51 and BT52
- Area
- County Londonderry, Northern Ireland
- Price region
- Northern Ireland
- Nearest towns
- Portstewart (3.8 miles), Portrush (4.4 miles), Ballymoney (7.5 miles), Limavady (12.6 miles)
- Distance to Derry
- about 27.1 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 Coleraine we also work in Portstewart, Portrush and Ballymoney, and across the rest of County Londonderry. Postcode districts in and near Coleraine: BT51 and BT52.
Extensions available in Coleraine
Two-storey rear extensions
Our Northern Ireland guide starts at £49,500 for this type.
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Two-storey side extensions
Guide from £76,000 in Coleraine, including VAT.
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Two-storey wraparound extensions
Coleraine guide price from £106,000, Standard spec.
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Part single, part two-storey extensions
Guide from £63,500 in Coleraine, including VAT.
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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
Guide from £22,000 in Coleraine, including VAT.
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Two-storey extensions for semi-detached houses
From £49,500 in Coleraine. Free visit to firm it up.
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Two-storey extensions for detached houses
Guide from £76,000 in Coleraine, including VAT.
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Kitchen extensions with bedrooms above
Guide from £49,500 (before kitchen units) in Coleraine, including VAT.
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Extra bedroom and en-suite extensions
Coleraine guide price from £49,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Which type suits your house in Coleraine depends mostly on where you have room. A deep garden points to a rear extension; space beside the house points to a side or over-garage extension; a house that already has a single-storey extension can often take a first floor on top.
Also available in County Londonderry
- 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 Coleraine
Coleraine 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 Coleraine
Do you cover Coleraine?
Yes. We cover Coleraine (BT51 and BT52) and the surrounding area, including Portstewart and Portrush. The first site visit is free.
What does a two-storey extension cost in Coleraine?
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 Coleraine do you cover?
Everywhere around it, including Portstewart (3.8 miles), Portrush (4.4 miles) and Ballymoney (7.5 miles), and the rest of County Londonderry.