Building services in Larne
House extensions
- Single-storey extensions
- Double-storey extensions
- Side extensions
- Side return extensions
- Wraparound extensions
- Kitchen extensions
- Orangeries
- Glazed and contemporary extensions
- Porches
Loft conversions
- Dormer loft conversions
- Hip-to-gable loft conversions
- Mansard loft conversions
- Rooflight loft conversions
- Bungalow loft conversions
Garage, basement and barn conversions
New build homes
Renovations and structural work
Design and approvals
Guide prices in Larne
| Project | Guide range (inc VAT) |
|---|---|
| Double-storey extensions | £1,400–£2,150 per m² of floor area (both floors) |
| Kitchen extensions | £1,950–£2,900 per m² including a mid-range kitchen |
| Dormer loft conversions | £41,500–£58,500 for a typical rear dormer with en-suite |
| Hip-to-gable loft conversions | £47,500–£67,000 for a hip-to-gable with rear dormer |
| Garage conversions | £15,500–£26,000 for a single integral garage |
| Structural alterations and knock-throughs | £3,750–£8,250 for a typical knock-through with steel beam |
Prices across Northern Ireland are typically 14% below the UK average for this kind of work, which is reflected in the range for Larne.
Planning permission in Larne
In Northern Ireland the Planning (General Permitted Development) Order (Northern Ireland) 2015 allows single-storey rear extensions of up to 3 metres on attached houses and 4 metres on detached houses, no higher than 4 metres, with eaves no higher than 3 metres within 2 metres of a boundary. Houses with removed rights need planning permission, listed buildings need consent, and in conservation areas extensions must stay single-storey and must not come forward of the front or side walls.
In Northern Ireland building control approval comes from the council, usually through a full plans application or a building notice, with inspections during the work and a completion certificate at the end.
About building in Larne
Northern Ireland has many detached and semi-detached homes on generous plots, which suits single-storey rear extensions and garage conversions.
Larne sits in County Antrim, about 18 miles north of Belfast. We cover the whole of Larne, including postcodes BT40. Larne has a population of around 18,000.
How it works
- 01
Survey and brief
We visit, discuss your ideas and budget, and survey the property or site at no cost.
- 02
Drawings and written quote
We prepare the design and give you a written, itemised quote with inclusions and exclusions.
- 03
Approvals
Planning or permitted development confirmation, building regulations and any party wall matters.
- 04
Construction and completion
We build, put right any snags and hand over the building control certificate.
Questions from homeowners in Larne
How much does an extension cost in Larne?
A single-storey extension in Larne typically costs £1,700–£2,500 per m² of floor area, and a double-storey extension £1,400–£2,150 per m² of floor area (both floors), including VAT.
Is the home visit free?
Yes. The first visit to discuss your project and measure up for a quote is free, with no obligation.
Do you work in Larne?
Yes. We take on extensions, loft conversions, conversions, renovations and new builds across Larne, including postcodes BT40.
Do I need planning permission for an extension in Larne?
In Northern Ireland the Planning (General Permitted Development) Order (Northern Ireland) 2015 allows single-storey rear extensions of up to 3 metres on attached houses and 4 metres on detached houses, no higher than 4 metres, with eaves no higher than 3 metres within 2 metres of a boundary. Houses with removed rights need planning permission, listed buildings need consent, and in conservation areas extensions must stay single-storey and must not come forward of the front or side walls.
How much does a loft conversion cost in Larne?
A rear dormer loft conversion in Larne typically costs £41,500–£58,500 for a typical rear dormer with en-suite, including VAT.