Loft conversions and dormers in Bath
5,584 applications since 1996. 4,160 approved and 738 refused. Refused: about 1 in 7 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 | 200 | 97 | 4 |
| 2025 | 221 | 165 | 7 |
| 2024 | 277 | 208 | 21 |
| 2023 | 261 | 205 | 18 |
| 2022 | 257 | 224 | 9 |
| 2021 | 294 | 257 | 10 |
| 2020 | 234 | 199 | 10 |
| 2019 | 247 | 207 | 10 |
| 2018 | 273 | 210 | 24 |
| 2017 | 268 | 202 | 26 |
| 2016 | 253 | 206 | 19 |
| 2015 | 210 | 166 | 17 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| North Somerset | 996 | 95 | about 1 in 11 |
| Wiltshire | 0 | 0 | none |