Covering Portrush
Our coverage around Portrush (BT56) also includes Coleraine (4 miles to the south) and Ballymoney.
Homes in County Antrim
Northern Ireland has a high proportion of detached houses and bungalows outside the cities, which often suit side extensions, rear extensions and upward extensions.
What is included in a garden annexe in Portrush?
A garden annexe is a separate single-storey building in the grounds of a house with its own bedroom, bathroom and kitchenette, used by family members as part of the main household. Unlike a garden office, an annexe that people sleep in normally needs planning permission and full building regulations approval.
- Planning and building control applications to the council
- Design and planning application
- Heating, hot water and electrics
What is the guide price for a garden annexe in Portrush?
Typical ranges for garden annexes. Ground conditions, access and specification move the final figure, which we fix in writing before work starts.
| Garden annexes | Guide price incl. VAT |
|---|---|
| Standard specification | £2,400 to £2,900 per m² |
| Good specification | £2,900 to £3,400 per m² |
| High specification | £3,400 to £3,900 per m² |
What approvals does a garden annexe need in Northern Ireland?
Projects in Northern Ireland need planning clearance from one of the eleven councils and building control approval, also from the council. The Party Wall etc. Act does not extend to Northern Ireland, so work near neighbours is agreed directly and documented carefully.
In Northern Ireland an annexe needs planning permission and building control approval.
What should I think about before starting?
- Drainage may need a pump if the garden falls away from the sewer.
- Council tax treatment depends on who lives there; check with your council.
What happens after I enquire?
- Start with a conversation. A short call or the online form is enough for us to understand what you want to build.
- We visit and measure. A surveyor checks the house, the boundaries and the ground, and discusses what is realistic.
- Price and paperwork. The design is priced line by line, and we submit the planning and building control applications.
- Build and hand over. Our teams build to the programme, building control inspects, and you get the completion paperwork at the end.
Garden annexes: common questions
Do I need planning permission for a garden annexe?
Usually yes, because people will sleep in it. Outbuilding permitted development does not cover living accommodation.
Can I rent the annexe out?
Usually not without a separate planning permission, because councils normally require it to stay part of the main house.
Do you work in Portrush?
Yes. Portrush is within our coverage for garden annexes, along with nearby Coleraine and Ballymoney.
Other towns nearby
- Garden annexes in Coleraine
- Garden annexes in Ballymoney
- Garden annexes in Limavady
- Garden annexes in Ballymena
Learn more about garden annexes, or see every project we cover in Portrush.