Loft conversions and dormers in Lewes
637 applications since 2020. 575 approved and 53 refused. Refused: about 1 in 12 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 | 50 | 44 | 2 |
| 2025 | 63 | 61 | 1 |
| 2024 | 75 | 67 | 7 |
| 2023 | 104 | 93 | 9 |
| 2022 | 129 | 111 | 17 |
| 2021 | 125 | 118 | 7 |
| 2020 | 91 | 81 | 10 |
Architects and agents, last 5 years
| Firm | Approved | Decided |
|---|---|---|
| Darren Moore Architectural Services | 32 | 32 |
| Light Design Services | 17 | 19 |
| G3 Architecture | 11 | 11 |
| Architecture of Calm | 6 | 6 |
| 3-D Architecture Ltd | 5 | 6 |
| Shear Architectural Design | 5 | 6 |
| Stephen Bromley Associates | 5 | 5 |
| HT Partnership | 4 | 5 |
Neighbouring councils
| Council | Approved | Refused | How often |
|---|---|---|---|
| Mid Sussex | 1,098 | 101 | about 1 in 12 |
| Wealden | 757 | 93 | about 1 in 9 |