Two-storey extensions in Armagh
We design, get approval for and build two-storey extensions in Armagh and the surrounding area. Choose the type of extension below or book a free site visit.
Armagh at a glance
- Postcode districts
- BT61
- Area
- County Armagh, Northern Ireland
- Price region
- Northern Ireland
- Nearest towns
- Keady (7 miles), Tandragee (10.2 miles), Portadown (10.3 miles), Dungannon (11.3 miles)
- Distance to Craigavon
- about 13.1 miles
- Approvals
- Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Most others need planning permission.
Armagh sits about 13.1 miles from Craigavon. Closer to home, Keady is 7.0 miles away and Tandragee 10.2 miles.
Extensions available in Armagh

Two-storey rear extensions
From £49,500 in Armagh. Free visit to firm it up.
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Two-storey side extensions
For homes in Armagh: typical guide from £76,000.
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Two-storey wraparound extensions
From £106,000 in Armagh. Free visit to firm it up.
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Part single, part two-storey extensions
Design, approvals and build for Armagh homes. Guide from £63,500.
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Extensions over a garage
Our Northern Ireland guide starts at £27,500 for this type.
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First-floor extensions
Armagh guide price from £22,000, Standard spec.
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Two-storey extensions for semi-detached houses
For homes in Armagh: typical guide from £49,500.
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Two-storey extensions for detached houses
For homes in Armagh: typical guide from £76,000.
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Kitchen extensions with bedrooms above
From £49,500 (before kitchen units) in Armagh. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Design, approvals and build for Armagh homes. Guide from £49,500 (plus en-suite).
Learn moreWhich type suits your house?
If you're not sure which type fits, that's what the free visit is for. We'll sketch the realistic options for your house in Armagh, with a rough idea of the approval route and cost for each.
Also available in County Armagh
- Two-storey front extensions
- Two-storey extensions for end-of-terrace houses
- Two-storey annexe extensions
- Garage conversions with a room above
- Two-storey extension plans and drawings
- Planning permission for two-storey extensions
- Structural engineering for two-storey extensions
- Building regulations for two-storey extensions
- Design and build two-storey extensions
Rules for Armagh
Armagh is in Northern Ireland. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Most others need planning permission. Planning application for works to a house: £347. Councils aim to decide local applications within an average of 15 weeks; many take longer.
The full Northern Ireland rules explained
Questions about extensions in Armagh
Do you cover Armagh?
Yes. We cover Armagh (BT61) and the surrounding area, including Keady and Tandragee. The first site visit is free.
What does a two-storey extension cost in Armagh?
Using our Northern Ireland guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £49,500–£66,500 including VAT. An extension over a garage is about £27,500–£40,500.
Which other places near Armagh do you cover?
Everywhere around it, including Keady (7 miles), Tandragee (10.2 miles) and Portadown (10.3 miles), and the rest of County Armagh.