East of England build costs run at 108% of the UK national average, across councils including Cambridge, Norwich, Ipswich. A 20m² example at mid-range spec: £80,307–£108,650. Adjust the size and spec below for your project.
England only. Takes about a minute.
| Size | Basic | Mid-range | Premium |
|---|---|---|---|
| 15m² | £41,826–£56,589 | £60,230–£81,488 | £86,255–£116,698 |
| 20m² | £55,769–£75,452 | £80,307–£108,650 | £115,007–£155,598 |
| 30m² | £83,653–£113,177 | £120,460–£162,975 | £172,511–£233,397 |
Each council sets its own fees and decision times. See your council’s page for the exact figures.
Cost bands refreshed quarterly from published 2026 UK cost guides.