West Midlands build costs run at 97% of the UK national average, across councils including Birmingham, Coventry, Wolverhampton. A 20m² example at mid-range spec: £72,127–£97,584. Adjust the size and spec below for your project.
England only. Takes about a minute.
| Size | Basic | Mid-range | Premium |
|---|---|---|---|
| 15m² | £37,566–£50,825 | £54,095–£73,188 | £77,470–£104,812 |
| 20m² | £50,088–£67,767 | £72,127–£97,584 | £103,293–£139,750 |
| 30m² | £75,133–£101,650 | £108,191–£146,376 | £154,940–£209,625 |
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.