House-to-flat conversions in County Down

Covering County Down

We cover County Down, including Bangor, Newtownards, Newry and Banbridge, and the towns around them.

Homes in County Down

Across Northern Ireland you find city terraces, suburban semis and rural bungalows and farmhouses, so the right approach depends on the plot and the planning history.

What goes into a house-to-flat conversion?

A house-to-flat conversion divides a single house into two or more self-contained flats, each with its own front door, kitchen and bathroom. It always needs planning permission and full building regulations approval, particularly for fire separation and sound insulation between flats.

Feasibility check against local planning policy
Planning application and layouts to space standards
Fire separation and sound insulation between flats

How much does a house-to-flat conversion cost in County Down?

Use these ranges to budget for house-to-flat conversions; the survey turns them into a fixed price for the agreed specification.

Priced on survey.

How is a house-to-flat conversion approved in County Down?

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.

This needs full planning permission from the council in Northern Ireland, plus building control approval.

What should I think about before starting?

Some councils restrict the loss of family houses or limit flat conversions in certain streets.
Sound insulation between flats is tested on completion.

How does the project run?

Send us the details. Give us a postcode, a rough idea of size and some photos, by phone, form or the guide price tool.
We visit and measure. A surveyor checks the house, the boundaries and the ground, and discusses what is realistic.
Design and fixed price. You get drawings and a written price for the agreed specification before anything is ordered.
Construction and completion. One site lead co-ordinates every trade through to the building control certificate.

What people ask before starting

Does converting a house into flats need planning permission?

Yes, always. Subdividing a house into flats is development under planning law.

How long does a conversion take?

Typically 16 to 30 weeks on site after approvals.

How do I get a price for house-to-flat conversions in County Down?

Use the guide price tool for a ballpark figure, then book a visit for a fixed written price for the agreed specification.

Also covering

Learn more about house-to-flat conversions, or see every project we cover in County Down.

Book a free site visit

Ready to talk about house-to-flat conversions? Send the form and we will call you back to arrange a visit in County Down.