Free tools
Plan your garden room with real numbers
Three free tools that work from your own numbers, not ours — no email required to see a result. Print each one to take to your survey.
Running-Cost Calculator
Estimate what your garden room could cost to heat and run — from your floor area, insulation level, usage and your own electricity tariff, with the arithmetic shown step by step.
Use this toolAccess & Delivery Checker
Answer a few questions about your garden's access — gate width, corners, steps, headroom — and see which build methods it typically rules in or out, plus what to ask a supplier.
Use this toolQuote-Comparison Checklist
A printable checklist of everything that varies between garden room quotes — base, insulation, glazing, guarantees, VAT and more — with space to compare three suppliers side by side.
Use this toolNone of these tools ask for your details before showing you a result, and none of them replace a proper site survey. If you’d like Manchester Garden Rooms to look at your specific garden, you can get in touch at any point.