Side extensions in Wandsworth
3,887 applications since 2022. 3,216 approved and 312 refused. Refused: about 1 in 11 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 | 485 | 309 | 36 |
| 2025 | 716 | 633 | 48 |
| 2024 | 825 | 723 | 69 |
| 2023 | 872 | 747 | 87 |
| 2022 | 989 | 804 | 72 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| Hammersmith and Fulham | 15,603 | 1,648 | about 1 in 10 |
| Kensington | 2,099 | 189 | about 1 in 12 |
| Kingston | 3,936 | 1,146 | about 1 in 4 |
| Lambeth | 3,946 | 807 | about 1 in 6 |
| Merton | 2,500 | 397 | about 1 in 7 |
| Richmond | 3,238 | 770 | about 1 in 5 |
| Westminster | 2,406 | 247 | about 1 in 11 |