Loft conversions and dormers in Luton
1,277 applications since 2019. 890 approved and 295 refused. Refused: about 1 in 4 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 | 114 | 64 | 20 |
| 2025 | 135 | 97 | 33 |
| 2024 | 140 | 93 | 37 |
| 2023 | 130 | 93 | 29 |
| 2022 | 180 | 133 | 36 |
| 2021 | 197 | 136 | 46 |
| 2020 | 189 | 132 | 51 |
| 2019 | 192 | 142 | 43 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| North Hertfordshire | 1,080 | 120 | about 1 in 10 |