Design your
garden room.
Create your garden office, studio or retreat in Cornwall. Experiment with sizes, windows, skylights and finishes, then see your indicative cost.
Explore, adjust, make it yours.
Illustrative concept. Colours vary by screen. Final structure, glazing, roof details and permissions are confirmed with you.
Your project's likely cost
A guide based on your building's external footprint at £1,600 per m² plus VAT.
Indicative estimate, not a quotation. Decking is excluded from the floor-area calculation. Windows, skylights, finish changes and site requirements are subject to your final quotation; this calculator does not price them separately. Electrical work is excluded.
Example building specification
This shows our example construction specification. Your selected openings, colours and cladding may differ; we will agree the final specification with your quotation.
Let’s bring your garden room to life
Call to discuss your plans, or send us your design and we’ll contact you for more information.
Review your design and add your details. We’ll prepare an email for you to send to Andrew.
