Extensions over a garage across Blantyre
We design and build over-garage extensions for houses in Blantyre, with a written price once the survey and design are done and one point of contact throughout.
- Guide price in BlantyreFrom £23,500 inc VAT
- PlanningPermission and a building warrant needed
- Build time12–18 weeks on site
- Postcode districtsG72

Included in a typical project
- Strengthening or rebuilding the garage walls if needed
- Design and householder planning application
- Opening into the existing first floor
- Structural survey of garage walls and foundations
- Insulation, electrics, heating and finish
Fitting the new room to the existing landing is the planning puzzle inside the house. We design the connection first, then the roof, so the extension does not end up with awkward steps or a corridor through a bedroom.
Covering Blantyre
Across G72, we can visit, measure and advise. The same team covers Cambuslang (3 miles), Hamilton (3 miles), Bellshill (3 miles), East Kilbride (4 miles), all within easy reach.
For homes towards Dunbartonshire, Bishopbriggs is around 9 miles away. Across Scotland, extensions follow Scottish planning and building standards, including the building warrant process, which we build into the programme from the start.
Guide prices for Blantyre
Labour and material costs vary across the UK, so for Blantyre we use our Scotland factor (×0.98). The ranges include VAT and exclude design, structural and council fees.
Typical rates in Blantyre: £1,760 to £3,330 per m² including VAT, depending on specification.
| Size | Essential | Standard | Premium |
|---|---|---|---|
| Over a single garage 12 m² | £23,500 – £29,000 | £24,500 – £32,000 | £31,500 – £40,000 |
| Over a large single garage 16 m² | £28,000 – £34,500 | £32,500 – £42,500 | £42,000 – £53,500 |
| Over a double garage 24 m² | £42,000 – £52,000 | £49,000 – £64,000 | £63,500 – £80,000 |
For a figure based on your own dimensions, use our guide-price tool.
Will the council need to approve it?
In Scotland, householder permitted development rules (Class 1A for single-storey ground-floor extensions and Class 1B for extensions of more than one storey) allow some smaller extensions without a planning application, within limits on depth, height and distance from the boundary. Conservation areas and listed buildings are more restricted. Separately, almost every extension needs a building warrant from the council before work starts.
Homes in conservation areas, national scenic areas and listed buildings have tighter rules, so we always check the property's status and planning history before design starts.
Scotland has no Party Wall Act. Where work affects a shared wall or a neighbour's land, we agree access, protection and making good with your neighbour in writing before work starts.
Building close to a public sewer needs the agreement of Scottish Water, which we check during design.
Applications are decided by your council as planning authority.
What happens next
Site visits are free and there is no obligation. Where drawings are needed, the design stage is priced in writing before it starts.
Free site visit
A designer visits, takes measurements and photos, and discusses layouts, budget and timing with you.
Design and approvals
We produce the drawings and structural design, and manage the approvals so they are in place before work starts.
Fixed written price
You receive a written, itemised price and programme. Nothing starts until you are happy with it.
Build and sign-off
Work is carried out to the agreed programme, inspected by building control and signed off at the end.
Your questions about an over-garage extension in Blantyre
How long does an over-garage extension take to build in Blantyre?
On site, typically 12 to 18 weeks once approvals are in place. Before that, allow 8–14 weeks design and approvals.
Will my neighbours in Blantyre be involved?
If a planning application is needed, the council notifies neighbours. Where work is close to a shared boundary, we agree access and protection with them in writing.
Do I need building regulations approval in Blantyre?
Yes. Almost every extension needs it, whatever the planning route. In Scotland that means a building warrant before work starts.
Can my garage take the weight of a room on top?
Some can and some cannot. Many garages have a single-skin wall or shallow foundations. Our structural engineer checks this before we give a fixed price.
How much does a room over a garage cost?
Our guide range is about £1,760 to £3,330 per m² including VAT. A single-garage room of about 12 m² usually costs £24,500 to £32,000 at standard spec, more if the garage needs rebuilding.
Book a free site visit in Blantyre
We will measure up, check the planning position and give you honest guide figures.
- Free, no-obligation site visit
- Planning route checked before you spend on drawings
- Written price once the design is agreed
- Building control sign-off at the end
Prefer to talk? Call 0800 088 6341 or .
Book a free site visit
Tell us a little about the project and we will arrange a time.