North West build costs run at 93% of the UK national average, across councils including Manchester, Liverpool, Salford. A 20m² example at mid-range spec: £69,153–£93,560. Adjust the size and spec below for your project.
England only. Takes about a minute.
| Size | Basic | Mid-range | Premium |
|---|---|---|---|
| 15m² | £36,017–£48,729 | £51,865–£70,170 | £74,275–£100,490 |
| 20m² | £48,023–£64,972 | £69,153–£93,560 | £99,034–£133,987 |
| 30m² | £72,034–£97,458 | £103,729–£140,340 | £148,551–£200,980 |
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.