Rear extensions in Pembrokeshire
374 applications since 2020. 319 approved and 33 refused. Refused: about 1 in 11 here, about 1 in 7 across the councils we cover.
Last updated 8 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 | 28 | 18 | 2 |
| 2025 | 37 | 30 | 4 |
| 2024 | 60 | 52 | 7 |
| 2023 | 64 | 51 | 11 |
| 2022 | 74 | 70 | 4 |
| 2021 | 66 | 55 | 5 |
| 2020 | 45 | 43 | 0 |
Architects and agents, last 5 years
| Firm | Approved | Decided |
|---|---|---|
| RPC Design & Architecture Ltd | 15 | 19 |
| Hayston Developments & Planning Ltd | 13 | 15 |
| Ian Bartlett Planning and Architectural | 9 | 9 |
| Pembroke Design Limited | 7 | 9 |
| Carl Bentley Architectural Services | 5 | 5 |
| Milsom Architectural Services | 3 | 5 |