Building services in Ballymena
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 Ballymena
| Project | Guide range (inc VAT) |
|---|---|
| Single-storey extensions | £1,700–£2,500 per m² of floor area |
| 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 |
| Orangeries | £2,050–£2,900 per m² of floor area |
The guide for Ballymena reflects typical costs in Northern Ireland, roughly 14% below the UK-wide figure.
Planning permission in Ballymena
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 Ballymena
Northern Ireland has many detached and semi-detached homes on generous plots, which suits single-storey rear extensions and garage conversions.
Projects in Ballymena (BT42, BT43 and BT44) are surveyed in person before we quote, so the price reflects your actual property. Ballymena has a population of around 29,000.
How it works
- 01
Free visit
We look at the property, talk through what you want and measure up. There is no charge and no obligation.
- 02
Drawings and written quote
We prepare the design and give you a written, itemised quote with inclusions and exclusions.
- 03
Approvals in place
We handle planning, building control and neighbour notices before work starts.
- 04
Build and sign-off
We run the build to a written programme and hand over the completion certificate.
Questions from homeowners in Ballymena
How much does a loft conversion cost in Ballymena?
A rear dormer loft conversion in Ballymena typically costs £41,500–£58,500 for a typical rear dormer with en-suite, including VAT.
Do you work in Ballymena?
Yes. We take on extensions, loft conversions, conversions, renovations and new builds across Ballymena, including postcodes BT42, BT43 and BT44.
Do I need planning permission for an extension in Ballymena?
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.
Is the home visit free?
Yes. The first visit to discuss your project and measure up for a quote is free, with no obligation.
How much does an extension cost in Ballymena?
A single-storey extension in Ballymena 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.