GrandForm Progressio
£34,500 GBP
A statement in modern architectural luxury, the Progressio is a refined garden structure designed for those who demand excellence in form and function.
Built To Last
Architecturally designed bespoke garden rooms, tailored to elevate and optimise your lifestyle, from a private office or a refined entertainment suite.
Inspire your next space with flexible garden room layouts.
See what your garden room could cost in seconds. Choose your size, adjust the layout, and get an instant estimate based on your design.
No matter the design, every bespoke structure is built on precision engineered foundations and insulated to the highest standards, feeling just as compfortable in the depths of winter as it does on a hot summers day.
£34,500 GBP
A statement in modern architectural luxury, the Progressio is a refined garden structure designed for those who demand excellence in form and function.
£28,880 GBP
The Grandform Retreat is a 19+ m² luxury garden room engineered to perform like a home.
£46,999 GBP
The Grandform Magnus isn’t just a garden room it’s a fully formed, architecturally styled living space designed for serious use.
A clear five-step journey built into every Garden Rooms project.
Free visit to understand your space and goals.
We refine layout, size, and finishes.
Transparent scope and timeline.
Precision installation and quality checks.
Final walkthrough and care guidance.
View our renders and recent work portfolio.
Results speak for themselves, learn how we've helped clients shape dream to reality.
“We needed an outdoor office for our design company ran from home, GrandForm blew my mind in terms of quality and now our outside space has potential all year round.”Jack, Loughborough
“My wife and I are absolutely thrilled with our new garden office. It's genuinely been life changing. The extra space has transformed how we work from home and given us the breathing room we didn't realise we needed. We would recommend grandform to anyone considering a garden room.”Dave, Coventry
Most Grandform garden rooms fall within permitted development, so planning permission is not required. We confirm this during your survey.
Timelines vary by scope, but most projects move from design approval to installation within weeks.
Yes. We use high-quality materials and insulation for comfort in every season.
Absolutely. We design bespoke structures that fit seamlessly into your outdoor space and match your home.
Book a free site survey and we will map your options.
Book a Free Site Survey