Rear extensions in Renfrewshire
1,114 applications since 2020. 1,064 approved and 10 refused. Refused: about 1 in 107 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 | 102 | 83 | 0 |
| 2025 | 130 | 126 | 1 |
| 2024 | 125 | 123 | 1 |
| 2023 | 135 | 131 | 1 |
| 2022 | 178 | 170 | 2 |
| 2021 | 256 | 250 | 2 |
| 2020 | 188 | 181 | 3 |
Architects and agents, last 5 years
| Firm | Approved | Decided |
|---|---|---|
| Grid Design Ltd | 33 | 33 |
| Derek Thompson Architectural Services | 29 | 29 |
| CHG Architecture Ltd | 24 | 24 |
| XL Design Services Limited | 23 | 23 |
| CC Architectural | 18 | 18 |
| Craig Architecture | 15 | 15 |
| EmAjine Architecture Ltd | 12 | 12 |
| MJK Architects | 10 | 10 |
| AJL Architectural Services | 8 | 8 |
| Arena Architects | 7 | 7 |