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Most Common Planning Applications in Thanet

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

20,959 real decisions·17 project types·Updated February 2026
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Safest: Side Extension
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Lowest: Annex
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Spread
17
Types ranked

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All 17 project types ranked

#TypeDecisionsApprovedRefusedRate
1Side Extension2,924––
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2New Build4,000––
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3Garage / Parking4,470––
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4Conservatory1,136––
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5Rear Extension5,791––
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6Outbuilding762––
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7HMO150––
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8Change of Use (Residential)3,648––
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9Hip-to-Gable Conversion139––
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10Loft Conversion817––
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11Dormer1,897––
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12Extension (General)1,438––
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13Flat Conversion1,086––
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14Front Extension712––
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15Basement662––
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16Wraparound Extension725––
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17Annex254––
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See how this applies to your postcode →

These are council averages. Your property is specific.

A side extension application has a – approval rate. Annex? Just –.
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What the data tells us

1
The range is massive: – to –. 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

– planning applications in Thanet 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 Thanet planning data

Methodology: Classifies 20,959 decisions in Thanet 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 Thanet Council's public planning portal, January 2020 to February 2026. Full methodology →
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