County Armagh
Single-storey rear extensions in County Armagh
Ground-floor space across the back of the house, usually for a kitchen, dining or family room. Across County Armagh we handle the whole rear extension: survey, drawings, the planning route, building control and the build. Towns we cover here include Craigavon, Portadown and Armagh.
On semis and detached houses like those around Craigavon, a single-storey rear extension is usually the simplest way to fix a small back kitchen without touching the bedrooms. Semis and detached houses are typical of County Armagh, and many have room for a rear extension within Northern Ireland's permitted development limits.
How much does a single-storey rear extension cost in County Armagh?
A single-storey rear extension in County Armagh is priced at £1,650–£2,700 per square metre including VAT as a guide, before kitchen fit-out and fees. Northern Ireland prices are the lowest in our range.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4 m deep (12 m²) | £20,000–£32,500 |
| 4 m wide × 5 m deep (20 m²) | £33,000–£54,000 |
| 4 m wide × 6 m deep (24 m²) | £39,500–£64,500 |
These are guide ranges; the written quote after the survey is the figure that counts.
Do you need planning permission in County Armagh?
Northern Ireland's permitted development rules allow a single-storey rear extension of 3 metres on terraced and semi-detached houses and 4 metres on detached houses, with a 4 metre height limit. Listed buildings, conservation areas and houses with removed rights need planning permission from the council.
Northern Ireland has no larger-extension prior approval route; anything beyond permitted development needs a planning application.
Conservation areas, Areas of Outstanding Natural Beauty and listed buildings restrict permitted development in Northern Ireland.
Where in County Armagh do we work?
FAQ
Questions people ask
Is a flat roof or a pitched roof better?
A warm flat roof keeps the extension low under first-floor windows and suits a roof lantern; a pitched or lean-to roof gives a vaulted ceiling. Both last for decades when built properly.
Can I stay in the house during the build?
Usually yes. The noisiest, dustiest stage, removing the back wall, is kept to the final weeks and screened off. Most families set up a temporary kitchen elsewhere in the house.
Will the extension make the room behind it dark?
Not if it is designed well. Rooflights or a lantern over the old back room, and a wide opening into it, keep daylight reaching the middle of the house.
Do you cover all of County Armagh?
We cover 3 towns and districts in County Armagh, including Craigavon, Portadown and Armagh.
Who builds the extension?
Vetted building teams working under contract to us; your contract is with S&K Property Investments and Improvement Ltd.