Side extensions in South Somerset
904 applications since 2020. 827 approved and 34 refused. Refused: about 1 in 25 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 | 62 | 50 | 1 |
| 2025 | 89 | 84 | 3 |
| 2024 | 99 | 93 | 2 |
| 2023 | 135 | 122 | 6 |
| 2022 | 188 | 171 | 8 |
| 2021 | 178 | 165 | 9 |
| 2020 | 153 | 142 | 5 |
Architects and agents, last 5 years
| Firm | Approved | Decided |
|---|---|---|
| Alex Ravelo Design | 31 | 31 |
| Paul Day Architectural Designs | 31 | 31 |
| Scope Architectural | 24 | 24 |
| Tj Hawkins Architectural Design Consultants | 15 | 16 |
| Tandem Architects | 10 | 10 |
| Della Valle Architects Ltd | 8 | 8 |
| M W Consultancy | 8 | 8 |
| Tor Architectural Services | 7 | 8 |
| Whiteacre Planning Ltd | 6 | 7 |
| Clive Miller Planning Limited | 6 | 6 |