Two-storey extensions in Dungiven
Everything for a two-storey extension in Dungiven, in one place: types, guide prices for Northern Ireland, the approval rules in Northern Ireland and how to get started.
Dungiven at a glance
- Postcode districts
- BT49
- Area
- County Londonderry, Northern Ireland
- Price region
- Northern Ireland
- Nearest towns
- Limavady (8.2 miles), Maghera (11.5 miles), Eglinton (12 miles), Culmore (16 miles)
- Distance to Derry
- about 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 Dungiven (BT49) and the places around it, including Limavady (8.2 miles), Maghera (11.5 miles) and Eglinton.
Extensions available in Dungiven

Two-storey rear extensions
Our Northern Ireland guide starts at £49,500 for this type.
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Two-storey side extensions
Guide from £76,000 in Dungiven, including VAT.
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Two-storey wraparound extensions
Design, approvals and build for Dungiven homes. Guide from £106,000.
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Part single, part two-storey extensions
Guide from £63,500 in Dungiven, including VAT.
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Extensions over a garage
Guide from £27,500 in Dungiven, including VAT.
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First-floor extensions
From £22,000 in Dungiven. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
From £49,500 in Dungiven. Free visit to firm it up.
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Two-storey extensions for detached houses
Guide from £76,000 in Dungiven, including VAT.
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Kitchen extensions with bedrooms above
Design, approvals and build for Dungiven homes. Guide from £49,500 (before kitchen units).
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Extra bedroom and en-suite extensions
From £49,500 (plus en-suite) in Dungiven. 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 Dungiven we also design annexes, home offices and bedrooms over garages.
Also available in County Londonderry
- 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 Dungiven
Dungiven 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 Dungiven
Do you cover Dungiven?
Yes. We cover Dungiven (BT49) and the surrounding area, including Limavady and Maghera. The first site visit is free.
What does a two-storey extension cost in Dungiven?
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 Dungiven do you cover?
Everywhere around it, including Limavady (8.2 miles), Maghera (11.5 miles) and Eglinton (12 miles), and the rest of County Londonderry.