Side extensions in Oxford
1,995 applications since 2020. 1,417 approved and 289 refused. Refused: about 1 in 6 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 | 185 | 97 | 19 |
| 2025 | 264 | 191 | 35 |
| 2024 | 300 | 211 | 64 |
| 2023 | 288 | 199 | 52 |
| 2022 | 325 | 238 | 43 |
| 2021 | 350 | 268 | 44 |
| 2020 | 283 | 213 | 32 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| Cherwell | 3,919 | 387 | about 1 in 11 |