Two-storey extensions in Dungannon
Planning a bigger home in Dungannon? Compare extension types and guide prices below, then book a free site visit.
Dungannon at a glance
- Postcode districts
- BT69 and BT70
- Area
- County Tyrone, Northern Ireland
- Price region
- Northern Ireland
- Nearest towns
- Coalisland (3.7 miles), Cookstown (9.7 miles), Armagh (11.3 miles), Portadown (14.1 miles)
- Distance to Omagh
- about 22.4 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.
We cover Dungannon (BT69 and BT70) and the places around it, including Coalisland (3.7 miles), Cookstown (9.7 miles) and Armagh.
Extensions available in Dungannon

Two-storey rear extensions
From £49,500 in Dungannon. Free visit to firm it up.
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Two-storey side extensions
Design, approvals and build for Dungannon homes. Guide from £76,000.
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Two-storey wraparound extensions
Dungannon guide price from £106,000, Standard spec.
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Part single, part two-storey extensions
Design, approvals and build for Dungannon 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
For homes in Dungannon: typical guide from £22,000.
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Two-storey extensions for semi-detached houses
Dungannon guide price from £49,500, Standard spec.
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Two-storey extensions for detached houses
Our Northern Ireland guide starts at £76,000 for this type.
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Kitchen extensions with bedrooms above
Dungannon guide price from £49,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
For homes in Dungannon: typical guide from £49,500 (plus en-suite).
Learn moreWhich type suits your house?
Which type suits your house in Dungannon depends mostly on where you have room. A deep garden points to a rear extension; space beside the house points to a side or over-garage extension; a house that already has a single-storey extension can often take a first floor on top.
Also available in County Tyrone
- 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 Dungannon
Dungannon 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 Dungannon
Do you cover Dungannon?
Yes. We cover Dungannon (BT69 and BT70) and the surrounding area, including Coalisland and Cookstown. The first site visit is free.
What does a two-storey extension cost in Dungannon?
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 Dungannon do you cover?
Everywhere around it, including Coalisland (3.7 miles), Cookstown (9.7 miles) and Armagh (11.3 miles), and the rest of County Tyrone.