Garden Rooms & Outbuildings
A garden room adds insulated, year-round space without the disruption of extending. We match you with trusted local SIP and timber specialists for a studio, office, gym or hobby space.
What can we help you with?
Free · no obligation · about 30 seconds
Costs & timelines
How much does a garden room cost?
As a 2025 UK guide, a garden room typically costs £8,000–£30,000, and most projects take around 2–5 weeks on site. Every home is different, so treat these as a starting point — the most accurate way to price your project is two or three quotes, which our free matching service arranges.
Typical cost (guide)
£8,000–£30,000
Typical time on site
2–5 weeks
What affects the price of a garden room?
- Size and insulation spec
- Foundations and groundwork
- Power, glazing and internal fit-out
A garden room adds insulated, flexible space — office, gym or studio — without the disruption of extending.
Figures are a 2025 guide for budgeting only, not a quote.
Inspiration
Garden Rooms & Outbuildings styles & ideas
Explore popular options — then we’ll match you with a specialist to make it real.
Expert advice
Tips & advice for your garden rooms & outbuildings
A few pointers to get you started. Our team can guide you through planning, approvals and connecting you with the right professional.
Request free adviceInsulate properly
Good insulation is what makes a garden room usable all year.
Check permitted development
Most garden rooms don’t need planning — confirm size and height limits.
Plan the services
Running power (and sometimes water) needs designing in from the start.
Get the base right
A level, well-drained base is essential for a lasting build.
Think about use
An office needs different heating and glazing to a gym or bar.
How it works
Our simple working process
Our hassle-free process takes you from your first enquiry to the perfect installer for your garden rooms & outbuildings.
Fill in Our Form
Tell us what kind of project you’re planning, and your contact details.
Introductory Call
We’ll give you a quick call to learn more about what you need and with what budget.
We Match You Up
We match you with an approved installer who fits your project requirements.
Why Renomate
Why more homeowners are choosing Renomate
We put people first — honest advice, high-quality trades, and a hassle-free experience. Every choice we make is guided by what’s right for our customers.
Approved installers, handpicked so you get quality work every time.
Different renovation services — the right expert for any project.
One trusted introduction, tailored to your project and budget — not a random directory.
Vetted network
Installed by certified contractors
We don’t just find you an installer — we find the right one. Every professional in our network is vetted for experience, qualifications and a proven track record. We verify insurance and review customer feedback, so you can be confident in every connection.
Local Garden Room Specialist
Professional · Qualified · Insured
Local Project Manager
Professional · Qualified · Insured
Local Electrician
Professional · Qualified · Insured
We work for you
Questions? We’ve got answers
Our service is completely free, and we’re here to help. We do the hard work of vetting and connecting you with the best, most reliable installers.
How much does a garden room cost in the UK?
How long does a garden room take?
Do I need planning permission for a garden room?
Can I use a garden room as an office all year?
How long does a garden room take to build?
Is Renomate really free, and how does it work?
Have a garden rooms & outbuildings in mind?
Contact us for friendly, free expert advice.
- 100% Free Service
- No Hidden Fees
- Friendly, Expert Support
- Installers Pay Us, Not You
Explore more
Other renovation services
Planning more than one project? We match you with trusted local specialists across every type of home improvement.
Ready when you are
Have a garden rooms & outbuildings in mind?
Contact us for friendly and free expert advice — we’ll match you with a trusted local specialist.