Not all planning applications are created equal. The gap between the highest and lowest approval project type in Hertsmere is 18.2% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.
See your ward's approval rate and nearby planning decisions — free and instant.
| # | Type | Decisions | Approved | Refused | Rate |
|---|---|---|---|---|---|
| 1 | Front Extension | 87 | 79 | 8 | 90.8% |
| 2 | Hip-to-Gable Conversion | 84 | 74 | 10 | 88.1% |
| 3 | Dormer | 318 | 274 | 44 | 86.2% |
| 4 | Extension (General) | 55 | 47 | 8 | 85.5% |
| 5 | Garage / Parking | 298 | 252 | 46 | 84.6% |
| 6 | Wraparound Extension | 39 | 33 | 6 | 84.6% |
| 7 | Rear Extension | 924 | 767 | 157 | 83.0% |
| 8 | Conservatory | 109 | 90 | 19 | 82.6% |
| 9 | Loft Conversion | 88 | 72 | 16 | 81.8% |
| 10 | Outbuilding | 86 | 69 | 17 | 80.2% |
| 11 | Side Extension | 203 | 157 | 46 | 77.3% |
| 12 | Change of Use (Residential) | 24 | 18 | 6 | 75.0% |
| 13 | New Build | 62 | 45 | 17 | 72.6% |
A front extension application has a 90.8% approval rate. New Build? Just 72.6%.
Check your postcode to see what actually happens near your address.
460 planning applications in Hertsmere have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A £79 report shows you what gets approved — and what gets refused — near your property.
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