Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,107 real decisions tell us about rear extension outcomes in Causeway Coast and Glens Borough Council.
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Rear extensions sit in the middle of the pack nationally. They're common enough that councils have clear precedent — but that cuts both ways. If your neighbours have been refused, that precedent works against you too.
| # | Ward | Decisions | Approved | Rate |
|---|---|---|---|---|
| 1 | Unknown | 30 | 30 | 100.0% |
Two houses on the same street can get different outcomes.
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Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Causeway Coast and Glens Borough Council.
| Type | Decisions | Rate |
|---|---|---|
| HMO | 41 | 100.0% |
| Conservatory | 50 | 100.0% |
| Side Extension | 570 | 99.1% |
| Rear Extension | 1,107 | 99.0% |
| Dormer | 195 | 99.0% |
| Wraparound Extension | 71 | 98.6% |
| Front Extension | 122 | 98.4% |
| Extension (General) | 1,410 | 97.6% |
| Loft Conversion | 35 | 97.1% |
| Basement | 42 | 95.2% |
| Annex | 113 | 94.7% |
| Garage / Parking | 2,990 | 93.6% |
| Change of Use (Residential) | 471 | 93.4% |
| Outbuilding | 501 | 91.0% |
| New Build | 497 | 89.9% |
11 rear extension applications in Causeway Coast and Glens Borough Council have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A free, property-specific report shows you what gets approved — and what gets refused — near your property.
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