The Garden Room Truth Lab
Budget slider, cost breakdowns, moisture risk simulator, heat leak demo, quote X-ray and installer scorecard - all in one interactive page.
Enter Truth Lab →A clean, honest library of tools, guides and technical breakdowns to help you understand SIP garden rooms, compare options and see exactly where your money goes - without any sales pressure.
No clutter, no clickbait - just the most useful resources I can give you as a SIP builder. I'd rather you feel fully informed before you spend a penny with anyone, including me.
Budget slider, cost breakdowns, moisture risk simulator, heat leak demo, quote X-ray and installer scorecard - all in one interactive page.
Enter Truth Lab →Independent look at real-world prices, trends, common specification shortcuts and where most garden rooms succeed or fail across the UK.
View 2025 report →Damp, rot, condensation, movement and overheating - see how garden rooms typically go wrong, and how SIP detailing prevents it.
Explore failures →Proper answers to the questions I get asked the most - from planning and insulation to electrics, heating and long-term maintenance.
Browse FAQs →Short, tailored pages for Surrey, Hampshire and nearby areas - soil, access, planning quirks and what tends to work best in each place.
View local guides →Side-by-side comparison of SIP builds, timber frame, cabins and steel systems - cost, comfort, lifespan, maintenance and running costs.
Compare build types →My signature way of building SIP garden rooms - from panel choice and moisture control to detailing, electrics and personal accountability.
See the method →Estimate a realistic build price for your garden room with clear assumptions and transparent breakdowns - not generic "from x" guessing.
Open cost engine →Correct wall build-ups, roof details, membrane layouts and airflow paths - explained in plain English with simple diagrams.
Open technical guides →Paste a quote and see what's clearly specified and what's missing - so you're not left guessing about the build hidden behind a low price.
Use the tool →A short, honest snapshot of what I'm seeing on projects - pricing trends, what people are building and where the best value sits.
Read the report →Printable comparison table with 10 key questions to ask any garden room company before you hand over tens of thousands of pounds.
View scorecard →See real SIP garden rooms I've built across Surrey and Hampshire - cedar studios, green-roof concepts, home offices and more.
View projects →Ready to talk? I'll give you an honest price with no hidden costs, explain every line item, and never pressure you into a decision.
Contact me →