Side extensions in North Ayrshire
353 applications since 2020. 318 approved and 5 refused. Refused: about 1 in 65 here, about 1 in 7 across the councils we cover.
Last updated 8 November 2026.
Without planning permission
- Single storey, no higher than 4 m
- No wider than half the width of the original house
- Not facing a road
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 | 32 | 26 | 0 |
| 2025 | 52 | 49 | 1 |
| 2024 | 34 | 31 | 0 |
| 2023 | 43 | 37 | 2 |
| 2022 | 61 | 53 | 0 |
| 2021 | 77 | 73 | 1 |
| 2020 | 54 | 49 | 1 |