Rear extensions in Norwich
1,216 applications since 2020. 1,026 approved and 46 refused. Refused: about 1 in 23 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 | 93 | 73 | 2 |
| 2025 | 141 | 123 | 7 |
| 2024 | 137 | 118 | 2 |
| 2023 | 150 | 131 | 3 |
| 2022 | 199 | 163 | 9 |
| 2021 | 269 | 226 | 13 |
| 2020 | 227 | 192 | 10 |
Architects and agents, last 5 years
| Firm | Approved | Decided |
|---|---|---|
| Howie Architects | 36 | 36 |
| Anglia Design LLP | 24 | 25 |
| A Squared Architects | 14 | 14 |
| K Garnham Design | 12 | 12 |
| Lewis + Tyrrell Architects | 12 | 12 |
| S Moore Architectural Services | 11 | 11 |
| P&P Design | 10 | 10 |
| Studio Drake Ltd | 10 | 10 |
| GJ Building Surveying Services | 8 | 10 |
| D J Designs Ltd | 8 | 8 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| Broads | 0 | 0 | none |
| South Norfolk Broadland | 3,644 | 58 | about 1 in 64 |