County Londonderry · Northern Ireland

Two-storey extensions in Culmore

Everything for a two-storey extension in Culmore, in one place: types, guide prices for Northern Ireland, the approval rules in Northern Ireland and how to get started.

Culmore at a glance

Postcode districts
BT48
Area
County Londonderry, Northern Ireland
Price region
Northern Ireland
Nearest towns
Derry (4 miles), Eglinton (4 miles), New Buildings (7.1 miles), Limavady (12.5 miles)
Distance to Derry
about 4 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 BT48 in and around Culmore, along with neighbouring Derry, Eglinton and New Buildings.

Extensions available in Culmore

Which type suits your house?

Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Culmore we also design annexes, home offices and bedrooms over garages.

Also available in County Londonderry

Rules for Culmore

Culmore 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 Culmore

Do you cover Culmore?

Yes. We cover Culmore (BT48) and the surrounding area, including Derry and Eglinton. The first site visit is free.

What does a two-storey extension cost in Culmore?

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 Culmore do you cover?

Everywhere around it, including Derry (4 miles), Eglinton (4 miles) and New Buildings (7.1 miles), and the rest of County Londonderry.

Nearby towns

CallGuide price