Two-storey extensions in Bangor (County Down)
Everything for a two-storey extension in Bangor (County Down), in one place: types, guide prices for Northern Ireland, the approval rules in Northern Ireland and how to get started.
Bangor (County Down) at a glance
- Postcode districts
- BT19 and BT20
- Area
- County Down, Northern Ireland
- Price region
- Northern Ireland
- Nearest towns
- Newtownards (4.8 miles), Donaghadee (5.5 miles), Holywood (6.4 miles), Carrickfergus (6.7 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 Bangor (County Down) (BT19 and BT20) and the places around it, including Newtownards (4.8 miles), Donaghadee (5.5 miles) and Holywood.
Extensions available in Bangor (County Down)
Two-storey rear extensions
Design, approvals and build for Bangor (County Down) homes. Guide from £49,500.
Learn more
Two-storey side extensions
Bangor (County Down) guide price from £76,000, Standard spec.
Learn more
Two-storey wraparound extensions
Bangor (County Down) guide price from £106,000, Standard spec.
Learn more
Part single, part two-storey extensions
From £63,500 in Bangor (County Down). Free visit to firm it up.
Learn more
Extensions over a garage
From £27,500 in Bangor (County Down). Free visit to firm it up.
Learn more
First-floor extensions
For homes in Bangor (County Down): typical guide from £22,000.
Learn more
Two-storey extensions for semi-detached houses
Bangor (County Down) guide price from £49,500, Standard spec.
Learn more
Two-storey extensions for detached houses
For homes in Bangor (County Down): typical guide from £76,000.
Learn more
Kitchen extensions with bedrooms above
Design, approvals and build for Bangor (County Down) homes. Guide from £49,500 (before kitchen units).
Learn more
Extra bedroom and en-suite extensions
Our Northern Ireland guide starts at £49,500 (plus en-suite) for this type.
Learn moreWhich type suits your house?
Which type suits your house in Bangor (County Down) 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 Down
- 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 Bangor (County Down)
Bangor (County Down) 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 Bangor (County Down)
Do you cover Bangor (County Down)?
Yes. We cover Bangor (County Down) (BT19 and BT20) and the surrounding area, including Newtownards and Donaghadee. The first site visit is free.
What does a two-storey extension cost in Bangor (County Down)?
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 Bangor (County Down) do you cover?
Everywhere around it, including Newtownards (4.8 miles), Donaghadee (5.5 miles) and Holywood (6.4 miles), and the rest of County Down.