Who we help

The split is the same for everyone — the calculations with a published method are free, and the work that has to be lodged under an accreditation is a consultancy job. What changes is which half you care about.

What everyone gets either way

Every calculator in the Collection is free in full, with no account and no time limit. You pay only when you need the answer written up as a Building Control submission PDF, and U-Monkey's is free even then. What it all costs is on the pricing page, in one table, including the parts that cost nothing.

And when a job needs an accredited assessor rather than a calculator — a SAP assessment, an EPC, SBEM, or a test on site — we do that too, and have since long before the calculators existed.

Not sure where you fit?

Tell us what you are building and what stage it is at, and we will tell you what is outstanding — including the parts you can produce yourself for nothing.