Rear extensions in North Norfolk
439 applications since 2025. 319 approved and 8 refused. Refused: about 1 in 41 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 | 180 | 122 | 2 |
| 2025 | 259 | 197 | 6 |
Architects and agents, last 5 years
| Firm | Approved | Decided |
|---|---|---|
| Sterne Design | 71 | 72 |
| SMG Architects | 61 | 62 |
| Mike Lee Architectural Services | 38 | 38 |
| P.H.Design & Planning Ltd | 31 | 32 |
| Howes Designs Ltd | 31 | 31 |
| Ground Designs | 27 | 27 |
| Claxton-Hall Architectural Ltd | 26 | 28 |
| Norfolk and Norwich Architecture Limited | 20 | 20 |
| Void Architecture Ltd. | 19 | 19 |
| Hawkins Architecture | 18 | 19 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| Broads | 0 | 0 | none |
| Great Yarmouth | 2,814 | 160 | about 1 in 19 |
| Kings Lynn | 3,840 | 196 | about 1 in 21 |
| South Norfolk Broadland | 3,643 | 58 | about 1 in 64 |