County Antrim · Northern Ireland

Two-storey extensions in Ballyclare

We design, get approval for and build two-storey extensions in Ballyclare and the surrounding area. Choose the type of extension below or book a free site visit.

Ballyclare at a glance

Postcode districts
BT39
Area
County Antrim, Northern Ireland
Price region
Northern Ireland
Nearest towns
Greenisland (6.1 miles), Jordanstown (6.1 miles), Newtownabbey (7.3 miles), Carrickfergus (8.1 miles)
Distance to Belfast
about 11.1 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.

We cover postcode district BT39 in and around Ballyclare, along with neighbouring Greenisland, Jordanstown and Newtownabbey.

Extensions available in Ballyclare

Which 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 Ballyclare, with a rough idea of the approval route and cost for each.

Also available in County Antrim

Rules for Ballyclare

Ballyclare 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 Ballyclare

Do you cover Ballyclare?

Yes. We cover Ballyclare (BT39) and the surrounding area, including Greenisland and Jordanstown. The first site visit is free.

What does a two-storey extension cost in Ballyclare?

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 Ballyclare do you cover?

Everywhere around it, including Greenisland (6.1 miles), Jordanstown (6.1 miles) and Newtownabbey (7.3 miles), and the rest of County Antrim.

Nearby towns

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