Rear extensions in Runnymede
2,769 applications since 2020. 2,034 approved and 335 refused. Refused: about 1 in 7 here, about 1 in 7 across the councils we cover.
Last updated 9 November 2026.
Without planning permission
- Up to 3 m deep on a terrace or semi, 4 m on a detached house
- Up to 6 m or 8 m through the neighbour-consultation route, not on protected land
- No higher than 4 m, and eaves no higher than 3 m within 2 m of a boundary
- Together with other buildings, no more than half the garden and grounds
- Materials similar in appearance to the house
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 | 290 | 167 | 34 |
| 2025 | 361 | 258 | 57 |
| 2024 | 309 | 228 | 39 |
| 2023 | 350 | 260 | 48 |
| 2022 | 500 | 399 | 51 |
| 2021 | 519 | 394 | 55 |
| 2020 | 440 | 328 | 51 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| Elmbridge | 8,859 | 2,260 | about 1 in 5 |
| Spelthorne | 2,046 | 347 | about 1 in 7 |
| Surrey Heath | 2,095 | 301 | about 1 in 8 |
| Woking | 2,889 | 541 | about 1 in 6 |