From £25k–£55k+
Over-Garage Extensions in the West Midlands
Add a bedroom, study or en-suite over an attached or integral garage. Practical, often well-suited to permitted development.
Benefits
Why homeowners choose over-garage extensions
- Often achievable under permitted development
- Keeps driveway and garage
- Cleaner front elevation
- Predictable cost band
Who it suits
- Families needing an extra bedroom without losing garden
- Homes with an integral or attached garage
- Anyone wanting a cleaner front elevation
- Multi-generational households
Cost guidance
What a over-garage extensions typically costs
Planning-stage range: from £25k to £55k+. What pushes a project up or down:
- Size and structural complexity
- Amount of glazing — sliders, bifolds, rooflights
- Kitchen specification and appliances
- Ground conditions and drainage
- Finish level — flooring, joinery, ironmongery
- Planning and design fees (separate from build cost)
Householder planning fees and professional design costs are separate from build cost. We make these visible from the start, not buried in the build.
Planning & regulations
Planning and building regs
Over-garage extensions can fall within permitted development depending on the property and height. Building regulations approval is required, including for fire safety and floor build-up.
Useful reading:
Process
How a over-garage extensions project runs with us
1
Free initial chat
Postcode, brief and rough budget. We come back with a planning-stage estimate and next steps.
2
Survey and concept design
On-site measure, brief workshop and concept tied to the budget.
3
Planning and building regs
Applications, structural calcs and building control sign-off coordinated end-to-end.
4
Build
One site team, weekly updates, kitchen and glazing coordinated for you.
5
Handover and aftercare
Snagging, certificates and a workmanship warranty issued at completion.
Recent work
Featured over-garage extensions projects
FAQs
Frequently asked questions
How much does a over-garage extensions cost?
Indicative planning-stage range: from £25k to £55k+. Final pricing depends on size, structure, glazing, kitchen spec, ground conditions, drainage and finishes. Full cost guide.
Do I need planning permission for a over-garage extensions?
Over-garage extensions can fall within permitted development depending on the property and height. Building regulations approval is required, including for fire safety and floor build-up. Read the planning guide.
How long does a over-garage extensions take?
Most single-storey projects take 10–14 weeks on site. Double-storey and wrap-around projects typically take 16–22 weeks. Planning and design lead in usually adds 8–14 weeks.
Will you handle planning and building regs?
Yes — applications, structural calcs and building control sign-off are coordinated as part of our design-to-build process.
Do you cover my area?
We work across the West Midlands including Birmingham, Solihull, Wolverhampton, Dudley, Walsall and Coventry.
Next step
Get a planning-stage estimate
Tell us about the project. We will come back with realistic budget guidance and likely process — no hard sell.