Two-storey extensions in Omagh
Homeowners in Omagh can use us for the whole project or just the drawings and approvals. Start with a free visit.
Omagh at a glance
- Postcode districts
- BT78 and BT79
- Area
- County Tyrone, Northern Ireland
- Price region
- Northern Ireland
- Nearest towns
- Dromore (County Tyrone) (8.7 miles), Castlederg (13.9 miles), Sion Mills (14.7 miles), Irvinestown (16.2 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 postcode districts BT78 and BT79 in and around Omagh, along with neighbouring Dromore (County Tyrone), Castlederg and Sion Mills.
Extensions available in Omagh

Two-storey rear extensions
For homes in Omagh: typical guide from £49,500.
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Two-storey side extensions
Omagh guide price from £76,000, Standard spec.
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Two-storey wraparound extensions
Guide from £106,000 in Omagh, including VAT.
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Part single, part two-storey extensions
Omagh guide price from £63,500, Standard spec.
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Extensions over a garage
Guide from £27,500 in Omagh, including VAT.
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First-floor extensions
From £22,000 in Omagh. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Omagh guide price from £49,500, Standard spec.
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Two-storey extensions for detached houses
From £76,000 in Omagh. Free visit to firm it up.
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Kitchen extensions with bedrooms above
Our Northern Ireland guide starts at £49,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
From £49,500 (plus en-suite) in Omagh. Free visit to firm it up.
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Omagh we also design annexes, home offices and bedrooms over garages.
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 Omagh
Omagh 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 Omagh
Do you cover Omagh?
Yes. We cover Omagh (BT78 and BT79) and the surrounding area, including Dromore (County Tyrone) and Castlederg. The first site visit is free.
What does a two-storey extension cost in Omagh?
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 Omagh do you cover?
Everywhere around it, including Dromore (County Tyrone) (8.7 miles), Castlederg (13.9 miles) and Sion Mills (14.7 miles), and the rest of County Tyrone.