Two-storey extensions in Ballymena
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Ballymena.
Ballymena at a glance
- Postcode districts
- BT42, BT43 and BT44
- Area
- County Antrim, Northern Ireland
- Price region
- Northern Ireland
- Nearest towns
- Randalstown (7.9 miles), Antrim (10.4 miles), Ballyclare (13.5 miles), Magherafelt (15.2 miles)
- Distance to Belfast
- about 23.1 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 Ballymena we also work in Randalstown, Antrim and Ballyclare, and across the rest of County Antrim. Postcode districts in and near Ballymena: BT42, BT43 and BT44.
Extensions available in Ballymena
Two-storey rear extensions
Our Northern Ireland guide starts at £49,500 for this type.
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Two-storey side extensions
Design, approvals and build for Ballymena homes. Guide from £76,000.
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Two-storey wraparound extensions
Design, approvals and build for Ballymena homes. Guide from £106,000.
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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
For homes in Ballymena: typical guide from £27,500.
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First-floor extensions
For homes in Ballymena: typical guide from £22,000.
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Two-storey extensions for semi-detached houses
From £49,500 in Ballymena. Free visit to firm it up.
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Two-storey extensions for detached houses
From £76,000 in Ballymena. Free visit to firm it up.
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Kitchen extensions with bedrooms above
Ballymena guide price from £49,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
Ballymena guide price from £49,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Which type suits your house in Ballymena 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 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 Ballymena
Ballymena 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 Ballymena
Do you cover Ballymena?
Yes. We cover Ballymena (BT42, BT43 and BT44) and the surrounding area, including Randalstown and Antrim. The first site visit is free.
What does a two-storey extension cost in Ballymena?
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 Ballymena do you cover?
Everywhere around it, including Randalstown (7.9 miles), Antrim (10.4 miles) and Ballyclare (13.5 miles), and the rest of County Antrim.