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 Lanarkshire?
In Lanarkshire, a wraparound extension typically costs £2,150–£3,100 per m² of floor area, including VAT at 20% (standard rate). For a typical 28 m² project that is roughly £60,000–£87,000. Building costs in Scotland are close to the UK average, so the figures for Lanarkshire are close to our national guide. Design, structural calculations and council fees are extra.
| Size or type | Guide range |
|---|---|
| Smaller project (20 m²) | £43,000–£62,000 |
| Typical project (28 m²) | £60,000–£87,000 |
| Larger project (39 m²) | £84,000–£121,000 |
| Rate per m² | £2,150–£3,100 |
Your quote will depend mainly on:
- Access for materials on terraced streets
- Kitchen and flooring specification
- Total footprint and the amount of glazing
- Steelwork and propping of the existing house
Use the guide price tool to see how size and specification change the figure, then ask for a written, itemised quote.
Do you need planning permission for a wraparound extension in Lanarkshire?
Here is how the rules work for a wraparound extension in Scotland. In Scotland a wraparound extension normally needs planning permission and a building warrant.
In Scotland a building warrant is needed before work starts on most extensions, loft conversions and conversions. It is issued by the council’s building standards service. When the work is finished, a completion certificate is submitted and accepted by the council after inspection.
At the survey we check your house’s planning history and any restrictions, and tell you which route applies.
What we handle
From survey to sign-off, the job normally involves:
- Building control completion
- Walls, roof and glazing
- Structural engineer’s design for steels and supports
- Written agreement with neighbours on shared walls
- Underfloor heating option, electrics and plastering
- Removal of internal and external walls
How long does it take?
The build itself usually takes 12 to 18 weeks on site. Design and approvals come first and typically take 3 to 4 months, depending on the approval route.
Building in Lanarkshire
Scotland’s housing ranges from sandstone tenements and villas to post-war and modern estates, and the building warrant system shapes how projects are planned.
Towns we cover in Lanarkshire include East Kilbride, Hamilton, Cumbernauld, Coatbridge, Airdrie and Motherwell.
How it works
- 01
Visit and measured survey
A free visit to understand the project, check access and take measurements.
- 02
Design and fixed quote
Drawings, structural calculations and an itemised, fixed price for the agreed specification.
- 03
Permissions sorted
Applications, building control and neighbour arrangements, all before the start date.
- 04
Build and sign-off
We run the build to a written programme and hand over the completion certificate.
Questions about wraparound extensions in Lanarkshire
Can we keep a separate living room?
Yes. Many clients keep the front room separate and open up only the back of the house.
Do I need planning permission for a wraparound extension in Lanarkshire?
In Scotland a wraparound extension normally needs planning permission and a building warrant.
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.
How long does a wraparound extension take in Lanarkshire?
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 Lanarkshire?
In Lanarkshire, a wraparound extension typically costs £2,150–£3,100 per m² of floor area, including VAT at 20% (standard rate). A typical 28 m² project comes to roughly £60,000–£87,000. 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.