Rear extensions in South Kesteven
1,842 applications since 2020. 1,629 approved and 72 refused. Refused: about 1 in 24 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 | 128 | 99 | 5 |
| 2025 | 255 | 221 | 16 |
| 2024 | 256 | 231 | 11 |
| 2023 | 260 | 239 | 14 |
| 2022 | 313 | 273 | 12 |
| 2021 | 331 | 297 | 8 |
| 2020 | 299 | 269 | 6 |
Architects and agents, last 5 years
| Firm | Approved | Decided |
|---|---|---|
| Building Development Service | 44 | 44 |
| Reeve Architecture & Design | 36 | 36 |
| Rick Smith Design Ltd | 26 | 27 |
| Belvoir Architecture | 25 | 26 |
| Harris McCormack Architects | 22 | 23 |
| Martin Wraight Design | 22 | 22 |
| TMV Architects | 16 | 17 |
| Dwell Architects Ltd | 16 | 16 |
| Chris Haylock Architecture | 15 | 15 |
| S Andrews Design & Architecture Ltd | 14 | 14 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| Newark and Sherwood | 1,112 | 149 | about 1 in 8 |
| Peterborough | 1,491 | 148 | about 1 in 11 |
| Rutland | 826 | 62 | about 1 in 14 |
| South Holland | 594 | 23 | about 1 in 27 |