Two-storey extensions in Donaghadee
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Donaghadee.
Donaghadee at a glance
- Postcode districts
- BT21
- Area
- County Down, Northern Ireland
- Price region
- Northern Ireland
- Nearest towns
- Bangor (County Down) (5.5 miles), Newtownards (7.1 miles), Comber (10.5 miles), Dundonald (11 miles)
- Distance to Bangor (County Down)
- about 5.4 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 Donaghadee (BT21) and the places around it, including Bangor (County Down) (5.5 miles), Newtownards (7.1 miles) and Comber.
Extensions available in Donaghadee
Two-storey rear extensions
Guide from £49,500 in Donaghadee, including VAT.
Learn more
Two-storey side extensions
For homes in Donaghadee: typical guide from £76,000.
Learn more
Two-storey wraparound extensions
Guide from £106,000 in Donaghadee, including VAT.
Learn more
Part single, part two-storey extensions
Our Northern Ireland guide starts at £63,500 for this type.
Learn more
Extensions over a garage
For homes in Donaghadee: typical guide from £27,500.
Learn more
First-floor extensions
For homes in Donaghadee: typical guide from £22,000.
Learn more
Two-storey extensions for semi-detached houses
Design, approvals and build for Donaghadee homes. Guide from £49,500.
Learn more
Two-storey extensions for detached houses
Design, approvals and build for Donaghadee homes. Guide from £76,000.
Learn more
Kitchen extensions with bedrooms above
Design, approvals and build for Donaghadee homes. Guide from £49,500 (before kitchen units).
Learn more
Extra bedroom and en-suite extensions
From £49,500 (plus en-suite) in Donaghadee. Free visit to firm it up.
Learn moreWhich type suits your house?
Which type suits your house in Donaghadee 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 Donaghadee
Donaghadee 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 Donaghadee
Do you cover Donaghadee?
Yes. We cover Donaghadee (BT21) and the surrounding area, including Bangor (County Down) and Newtownards. The first site visit is free.
What does a two-storey extension cost in Donaghadee?
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 Donaghadee do you cover?
Everywhere around it, including Bangor (County Down) (5.5 miles), Newtownards (7.1 miles) and Comber (10.5 miles), and the rest of County Down.