Side extensions in Bath
9,317 applications since 1996. 7,324 approved and 837 refused. Refused: about 1 in 10 here, about 1 in 7 across the councils we cover.
Last updated 9 November 2026.
Without planning permission
- Single storey, no higher than 4 m
- No wider than half the width of the original house
- Not facing a road
England, houses only. Flats, listed buildings, conservation areas and Article 4 directions change this. The full rules.
Year by year
| Year | Applications | Approved | Refused |
|---|---|---|---|
| 2026 | 223 | 132 | 4 |
| 2025 | 331 | 250 | 11 |
| 2024 | 350 | 261 | 16 |
| 2023 | 317 | 256 | 9 |
| 2022 | 397 | 314 | 17 |
| 2021 | 441 | 363 | 18 |
| 2020 | 360 | 296 | 19 |
| 2019 | 362 | 295 | 11 |
| 2018 | 344 | 277 | 16 |
| 2017 | 468 | 363 | 32 |
| 2016 | 413 | 322 | 34 |
| 2015 | 392 | 313 | 22 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| North Somerset | 1,993 | 156 | about 1 in 14 |
| Wiltshire | 0 | 0 | none |