Garden Room Cost Calculator
Use our free garden room cost calculator to get an instant estimate for your bespoke project.
Whether you're planning a garden office, gym, or studio, adjust the size, finishes, and features below to see accurate pricing for a fully installed garden room.
Price (ex VAT)
£13,632.5
Total inc VAT
£16,359
Choose Your Garden Room Size
Calculated Dimensions
12.0m²
2.4m
33.6m²
18.2m²
Quick SummarySummary
How is the garden room cost calculated?
Real-time Pricing
Our calculator uses current material and labor costs to give you a realistic budget, not a generic "starting from" price.
All-Inclusive Estimates
The price includes foundations, professional installation, insulation, internal electrics, and high-quality finishes.
No Hidden Costs
Use this tool to compare costs of cladding, glazing, and sizes. We value transparency from the very start.
* These prices are estimates only and subject to a site survey. Ground conditions, access, and specific requirements to your property may affect the final cost.