Data-backed planning intelligence · 2,500,000+ decisions analysed across England

Most Common Planning Applications in Hart

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Hart is 34.0% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

9,970 real decisions·15 project types·Updated March 2026
90.7%
Safest: Hip-to-Gable Conversion
56.7%
Lowest: Flat Conversion
34.0%
Spread
15
Types ranked

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All 15 project types ranked

#TypeDecisionsApprovedRefusedRate
1Hip-to-Gable Conversion54495
90.7%
2Conservatory63156170
88.9%
3Loft Conversion17115120
88.3%
4Rear Extension2,1211,836285
86.6%
5Side Extension1,5661,331235
85.0%
6Front Extension52843989
83.1%
7Dormer50841395
81.3%
8Outbuilding625500125
80.0%
9Garage / Parking2,0861,660426
79.6%
10Wraparound Extension24719651
79.4%
11Extension (General)30323271
76.6%
12Annex634518
71.4%
13New Build370258112
69.7%
14Change of Use (Residential)299194105
64.9%
15Flat Conversion301713
56.7%
See how this applies to your postcode →

These are council averages. Your property is specific.

A hip-to-gable conversion application has a 90.7% approval rate. Flat Conversion? Just 56.7%.
Check your postcode to see what actually happens near your address.

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What the data tells us

1
The range is massive: 56.7% to 90.7%. Choosing the right project type — or framing your application correctly — can dramatically affect outcomes.
2
Visibility drives scrutiny. Project types that change the external appearance — dormers, loft conversions, hip-to-gable — face more resistance than those that don't. The more visible your proposal, the more carefully it needs designing.
3
These are council-wide averages. Your ward, your street and your immediate neighbours all shift the odds. The comparable decisions near your property are the best indicator of outcome.

Before you spend £5,000+ on architects and drawings

1,441 planning applications in Hart 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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More Hart planning data

Nearby councils project type rankings

Methodology: Classifies 9,970 decisions in Hart into residential project types using keyword matching against proposal descriptions (matching generate_site_data.py subtype rules). A single application may appear in multiple categories. Data from Hart Council's public planning portal, January 2020 to present. Full methodology →
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