Rear extensions in Mid East Antrim
1,241 applications since 2016. 1,202 approved and 13 refused. Refused: about 1 in 93 here, about 1 in 7 across the councils we cover.
Last updated 8 November 2026.
Without planning permission
- Up to 3 m deep on a terrace or semi, 4 m on a detached house
- Up to 6 m or 8 m through the neighbour-consultation route, not on protected land
- No higher than 4 m, and eaves no higher than 3 m within 2 m of a boundary
- Together with other buildings, no more than half the garden and grounds
- Materials similar in appearance to the house
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 | 75 | 58 | 1 |
| 2025 | 99 | 97 | 0 |
| 2024 | 85 | 84 | 0 |
| 2023 | 89 | 87 | 0 |
| 2022 | 92 | 90 | 0 |
| 2021 | 140 | 138 | 1 |
| 2020 | 142 | 141 | 0 |
| 2019 | 120 | 118 | 2 |
| 2018 | 130 | 129 | 1 |
| 2017 | 135 | 129 | 5 |
| 2016 | 134 | 131 | 3 |
Architects and agents, last 5 years
| Firm | Approved | Decided |
|---|---|---|
| Slemish Design Studio Architects | 21 | 21 |
| Architectural Design Services | 19 | 19 |
| 9yards Architecture | 18 | 18 |
| A.C.E. Architectural Services Ltd. | 16 | 16 |
| S W Marcus Architectural Services | 12 | 12 |
| Chris Wilson Architecture | 10 | 10 |
| FMK Architecture Ltd | 9 | 9 |
| A J Designs | 8 | 8 |
| MAW Architects | 8 | 8 |
| Richard Burnside Architecture | 8 | 8 |