Loft conversions and dormers in West Suffolk
404 applications since 2020. 347 approved and 18 refused. Refused: about 1 in 20 here, about 1 in 6 across the councils we cover.
Last updated 9 November 2026.
Without planning permission
- Up to 40 cubic metres of extra roof space on a terrace, 50 on a semi or detached house
- Not on the roof slope facing a road, and no higher than the existing roof
- Materials similar in appearance, set back about 0.2 m from the eaves, and side windows obscure-glazed
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 | 26 | 19 | 1 |
| 2025 | 50 | 39 | 3 |
| 2024 | 52 | 46 | 2 |
| 2023 | 66 | 56 | 6 |
| 2022 | 66 | 60 | 2 |
| 2021 | 89 | 79 | 4 |
| 2020 | 55 | 48 | 0 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| Babergh Mid Suffolk | 398 | 43 | about 1 in 10 |
| East Cambridgeshire | 933 | 91 | about 1 in 11 |
| Kings Lynn | 988 | 57 | about 1 in 18 |
| South Cambridgeshire | 1,955 | 214 | about 1 in 10 |