Data-backed planning intelligence · 3,780,000+ decisions analysed across England

Most Common Planning Applications in Gravesham

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Gravesham is 30.5% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

1,673 real decisions·14 project types·Updated August 2026
87.0%
Safest: Conservatory
56.5%
Lowest: HMO
30.5%
Spread
14
Types ranked

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All 14 project types ranked

#TypeDecisionsApprovedRefusedRate
1Conservatory54477
87.0%
2Outbuilding987721
78.6%
3Hip-to-Gable Conversion28226
78.6%
4Extension (General)796217
78.5%
5Rear Extension38329093
75.7%
6Garage / Parking31123279
74.6%
7Dormer13510035
74.1%
8Loft Conversion513714
72.5%
9Change of Use (Residential)866224
72.1%
10Front Extension493514
71.4%
11Side Extension17212151
70.3%
12New Build644519
70.3%
13Annex261610
61.5%
14HMO231310
56.5%
See how this applies to your postcode →

These are council averages. Your property is specific.

A conservatory application has a 87.0% approval rate. HMO? Just 56.5%.
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What the data tells us

1
The range is massive: 56.5% to 87.0%. 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

289 planning applications in Gravesham 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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More Gravesham planning data

Methodology: Classifies 1,673 decisions in Gravesham 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 Gravesham Council's public planning portal, January 2020 to August 2026. Full methodology →
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