North East build costs run at 85% of the UK national average, across councils including Newcastle upon Tyne, Sunderland, Middlesbrough. A 20m² example at mid-range spec: £63,204–£85,512. Adjust the size and spec below for your project.
England only. Takes about a minute.
| Size | Basic | Mid-range | Premium |
|---|---|---|---|
| 15m² | £32,919–£44,537 | £47,403–£64,134 | £67,886–£91,846 |
| 20m² | £43,892–£59,383 | £63,204–£85,512 | £90,515–£122,461 |
| 30m² | £65,838–£89,075 | £94,806–£128,268 | £135,772–£183,692 |
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.