County Armagh
Pitched and lean-to roof rear extensions in County Armagh
Lean-to, gable and hipped roofs that give a vaulted ceiling. We design and build rear extensions across County Armagh, from Craigavon and Portadown to Armagh, covering single-storey kitchen extensions, two-storey additions, side returns and wraparounds.

Pitched roofs suit the cottages and slate-roofed houses in parts of County Armagh. 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 pitched-roof rear extension cost in County Armagh?
In County Armagh, our guide for a pitched-roof rear extension is £1,740–£2,830 per square metre including VAT for a standard specification. Northern Ireland prices are the lowest in our range.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4 m deep (12 m²) | £21,000–£34,000 |
| 4 m wide × 5 m deep (20 m²) | £35,000–£56,500 |
Ground conditions, glazing, the roof and how far the house is opened up move the final figure within the range.
Do you need planning permission in County Armagh?
In Northern Ireland the Planning (General Permitted Development) Order (Northern Ireland) 2015 allows a single-storey rear extension of up to 3 metres on an attached house or 4 metres on a detached house, no higher than 4 metres, with eaves no higher than 3 metres within 2 metres of a boundary. Building control approval from the council is still required.
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
Will a lean-to fit under my windows?
We check the sill heights at the survey; low windows usually mean a flat roof instead.
Are roof windows allowed?
Yes; they are the usual way to bring light into a pitched-roof extension.
Is a pitched roof more expensive?
Slightly, typically a few per cent more than a flat roof of the same area.
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.