In the last 12 months, 93.8% of home project applications were approved in Dacorum (209 decided): extensions, loft conversions and similar work. A typical home project decision takes about eight weeks (median 54 days).
Across all application types, 90.2% of 3,290 applications decided since January 2023 were approved. Based on Dacorum's public planning register. Data last updated: 23 August 2026.
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All applications on record, not only the last 12 months.
| Category | Decided | Approved | Refused | Approval rate |
|---|---|---|---|---|
| Home extensions and alterations (householder) | 1,080 | 989 | 91 | |
| Discharging planning conditions | 425 | 403 | 22 | |
| Tree works in a conservation area | 357 | 355 | 2 | |
| Full planning applications | 299 | 226 | 73 | |
| Certificate of lawfulness (confirming permitted development) | 256 | 231 | 25 | |
| Protected tree works (TPO) | 240 | 232 | 8 | |
| Minor amendment to an approved scheme (S96a) | 118 | 92 | 26 | |
| Listed Building Consent | 117 | 105 | 12 | |
| Prior approval (permitted development) | 93 | 82 | 11 | |
| Changing a planning condition (S73) | 89 | 80 | 9 | |
| Retention of Development | 58 | 42 | 16 | |
| Advertisement Consent | 39 | 34 | 5 | |
| Certificate of lawfulness (existing use) | 30 | 27 | 3 | |
| Barn to home conversion (prior approval, Class Q) | 21 | 13 | 8 | |
| Other* | 68 | 55 | 13 | mixed types |
* Other combines smaller categories: Full Planning (Major) (14), Phone masts and telecoms (9), Outline Planning (8), Environmental impact screening and scoping (8), Details Required by Legal Agreement (8), Adding storeys (prior approval, Class AA) (5), Agricultural Building to Flexible Use (4), Variation of Legal Agreement (3), Reserved matters (detail after outline approval) (2), Major Public Service Infrastructure (2), Confirmation of Discharged Conditions (1), Light industry to Residential Prior Appr (1), Agricultural or Forestry Prior Approval (1), Building upwards to create dwellinghouse (1).
The most recent three years. Earlier decisions are included in the totals above but not in this chart.
| Quarter | Decided | Approved | Approval rate |
|---|---|---|---|
| Q3 2023 | 111 | 102 | |
| Q4 2023 | 244 | 223 | |
| Q1 2024 | 262 | 221 | |
| Q2 2024 | 255 | 217 | |
| Q3 2024 | 248 | 225 | |
| Q4 2024 | 293 | 263 | |
| Q1 2025 | 235 | 216 | |
| Q2 2025 | 265 | 250 | |
| Q3 2025 | 282 | 261 | |
| Q4 2025 | 279 | 261 | |
| Q1 2026 | 253 | 223 | |
| Q2 2026 | 67 | 62 | |
| Q3 2026 (quarter in progress) | 28 | 23 |
The 12 wards with the most decided applications, across all years. 319 further decided applications fall in wards not shown.
Among wards with at least 20 decided applications, approval rates range from 83.4% in Watling to 93.2% in Berkhamsted Castle, a gap of 9.8 percentage points.
| Ward | Decided | Approved | Refused | Approval rate |
|---|---|---|---|---|
| Bovingdon / Flaunden / Chipperfield | 400 | 360 | 40 | |
| Berkhamsted East | 283 | 262 | 21 | |
| Ashridge | 231 | 209 | 22 | |
| Berkhamsted Castle | 221 | 206 | 15 | |
| Tring West & Rural | 215 | 196 | 19 | |
| Watling | 193 | 161 | 32 | |
| Berkhamsted West | 192 | 177 | 15 | |
| Apsley And Corner Hall | 136 | 124 | 12 | |
| Kings Langley | 134 | 112 | 22 | |
| Leverstock Green | 130 | 121 | 9 | |
| Boxmoor | 120 | 109 | 11 | |
| Aldbury & Wigginton | 114 | 100 | 14 |
Not sure what you can build without planning permission? See our guides to permitted development rights, Article 4 directions and planning costs.
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