What is a wraparound extension?

A wraparound extension combines a side return and a rear extension into one L-shaped addition. It gives the largest possible ground floor, often creating an open-plan kitchen, dining and living space across the whole width of the house.
How much does a wraparound extension cost in Dungannon?
In Dungannon, a wraparound extension typically costs £1,900–£2,750 per m² of floor area, including VAT at 20% (standard rate). For a typical 28 m² project that is roughly £53,000–£77,000. Building costs in Northern Ireland run about 14% below the UK average, and the figures for Dungannon are adjusted to reflect that. Design, structural calculations and council fees are extra.
| Size or type | Guide range |
|---|---|
| Smaller project (20 m²) | £38,000–£55,000 |
| Typical project (28 m²) | £53,000–£77,000 |
| Larger project (39 m²) | £74,000–£107,000 |
| Rate per m² | £1,900–£2,750 |
Your quote will depend mainly on:
- Agreements with neighbours on shared walls
- Steelwork and propping of the existing house
- Total footprint and the amount of glazing
- Access for materials on terraced streets
For a figure based on your own measurements, try the guide price tool, then book a free home visit for a fixed quote.
Do you need planning permission for a wraparound extension in Dungannon?
Here is how the rules work for a wraparound extension in Northern Ireland. In Northern Ireland a wraparound extension normally needs planning permission and building control approval.
Northern Ireland has no Party Wall Act. Work on shared walls relies on agreement with the neighbour and common law, so we agree the arrangements in writing before work starts.
We check this for your address before design work starts, so there are no surprises later.
What we handle
On a typical wraparound extension we handle:
- Removal of internal and external walls
- Structural engineer’s design for steels and supports
- Walls, roof and glazing
- Written agreement with neighbours on shared walls
- Building control completion
- Underfloor heating option, electrics and plastering
How long does it take?
Build time is typically 12 to 18 weeks on site. Allow time beforehand for drawings and approvals, usually 3 to 4 months.
Building in Dungannon
Northern Ireland has many detached and semi-detached homes on generous plots, which suits single-storey rear extensions and garage conversions.
Projects in Dungannon (BT70 and BT71) are surveyed in person before we quote, so the price reflects your actual property.
How it works
- 01
Free visit
We look at the property, talk through what you want and measure up. There is no charge and no obligation.
- 02
Design and pricing
Design options, then a fixed quote based on the chosen drawings and specification.
- 03
Approvals
Planning or permitted development confirmation, building regulations and any party wall matters.
- 04
Construction and completion
We build, put right any snags and hand over the building control certificate.
Questions about wraparound extensions in Dungannon
How long does a wraparound extension take in Dungannon?
Typically 12 to 18 weeks on site. Design and approvals beforehand usually take 3 to 4 months.
How much does a wraparound extension cost in Dungannon?
In Dungannon, a wraparound extension typically costs £1,900–£2,750 per m² of floor area, including VAT at 20% (standard rate). A typical 28 m² project comes to roughly £53,000–£77,000. Your fixed price depends on the survey and drawings.
What about the old back addition?
The side wall of the back addition is usually removed and replaced with a steel beam, so the old kitchen joins the new space.
Do I need planning permission for a wraparound extension in Dungannon?
In Northern Ireland a wraparound extension normally needs planning permission and building control approval.
Can we keep a separate living room?
Yes. Many clients keep the front room separate and open up only the back of the house.
Is a wraparound worth it?
It gives the biggest ground-floor space without going upwards. Whether it adds value depends on your street and house, so we suggest checking local sale prices before committing.
