Loft conversions and dormers in East Hertfordshire
1,686 applications since 2020. 1,168 approved and 400 refused. Refused: about 1 in 4 here, about 1 in 6 across the councils we cover.
Last updated 8 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 | 179 | 122 | 18 |
| 2025 | 204 | 156 | 35 |
| 2024 | 195 | 139 | 44 |
| 2023 | 208 | 149 | 48 |
| 2022 | 288 | 200 | 70 |
| 2021 | 330 | 215 | 99 |
| 2020 | 282 | 187 | 86 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| Broxbourne | 2,204 | 378 | about 1 in 7 |
| Epping Forest | 0 | 0 | none |
| Harlow | 192 | 31 | about 1 in 7 |
| North Hertfordshire | 1,080 | 120 | about 1 in 10 |
| Stevenage | 129 | 16 | about 1 in 9 |
| Welwyn Hatfield | 761 | 263 | about 1 in 4 |