What is a garage conversion?
A garage conversion turns an integral or attached garage into habitable space, such as a study, playroom, bedroom or utility. The garage door is replaced with a wall and window, the floor is raised and insulated, and the walls and roof are brought up to building regulations.
How much does a garage conversion cost in Irvine?
In Irvine, a garage conversion typically costs £17,500–£29,000 for a single integral garage, including VAT at 20% (standard rate). Building costs in Scotland are close to the UK average, so the figures for Irvine are close to our national guide. Design, structural calculations and council fees are extra.
| Size or type | Guide range |
|---|---|
| A single integral garage | £17,500–£29,000 |
| Higher specification | £29,000–£36,000 |
The main things that change the cost:
- Whether planning permission is needed
- Single or double garage
- Heating and flooring
- Integral, attached or detached
Your exact price depends on the survey and drawings. The guide price tool gives a quick range in the meantime.
Do you need planning permission for a garage conversion in Irvine?
Before anything is built in Irvine, we confirm which approvals apply in Scotland. In Scotland converting a garage usually does not need planning permission if the outside appearance barely changes, but a building warrant is needed before work starts.
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
On a typical garage conversion we handle:
- Building control completion
- Floor raised with insulation and damp-proof membrane
- Wall and ceiling insulation
- Electrics, heating and plastering
- Foundation check under the garage door opening
- Drawings and building control application
How long does it take?
Build time is typically 3 to 6 weeks on site. Before that, surveys, drawings and approvals usually take 6 to 12 weeks, longer if the council asks for changes.
Building in Irvine
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.
If your home is in Irvine or close by in Kilwinning, Saltcoats and Troon, a free home visit is the first step.
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
Drawings and written quote
We prepare the design and give you a written, itemised quote with inclusions and exclusions.
- 03
Approvals
Planning or permitted development confirmation, building regulations and any party wall matters.
- 04
Build and sign-off
We run the build to a written programme and hand over the completion certificate.
Questions about garage conversions in Irvine
Do you build garage conversions in Irvine?
Yes. We build garage conversions across Irvine, including postcodes KA12. Every project starts with a free home visit.
Will losing the garage affect parking?
Councils sometimes object if on-street parking is under pressure. We check local parking standards.
How much does a garage conversion cost in Irvine?
In Irvine, a garage conversion typically costs £17,500–£29,000 for a single integral garage, including VAT at 20% (standard rate). Your fixed price depends on the survey and drawings.
Do I need planning permission for a garage conversion in Irvine?
In Scotland converting a garage usually does not need planning permission if the outside appearance barely changes, but a building warrant is needed before work starts.
Can the floor be level with the house?
Yes. The garage floor is raised and insulated to match the house floor level.
How long does it take?
Typically 3 to 6 weeks on site.