Side extensions in Camden
6,758 applications since 2010. 5,253 approved and 608 refused. Refused: about 1 in 10 here, about 1 in 7 across the councils we cover.
Last updated 8 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 | 220 | 116 | 1 |
| 2025 | 283 | 236 | 10 |
| 2024 | 256 | 202 | 14 |
| 2023 | 291 | 239 | 25 |
| 2022 | 278 | 225 | 21 |
| 2021 | 341 | 284 | 24 |
| 2020 | 385 | 311 | 28 |
| 2019 | 353 | 290 | 26 |
| 2018 | 389 | 322 | 38 |
| 2017 | 496 | 400 | 42 |
| 2016 | 438 | 369 | 28 |
| 2015 | 415 | 346 | 31 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| Barnet | 9,447 | 2,020 | about 1 in 6 |
| Brent | 4,507 | 1,384 | about 1 in 4 |
| City | 72 | 0 | none |
| Haringey | 5,356 | 1,225 | about 1 in 5 |
| Islington | 3,158 | 877 | about 1 in 5 |
| Westminster | 2,406 | 247 | about 1 in 11 |