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Most Common Planning Applications in Bath & NE Somerset

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Bath & NE Somerset is 12.9% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

36,819 real decisions·17 project types·Updated May 2026
96.0%
Safest: Wraparound Extension
83.1%
Lowest: New Build
12.9%
Spread
17
Types ranked

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All 17 project types ranked

#TypeDecisionsApprovedRefusedRate
1Wraparound Extension37135615
96.0%
2Conservatory1,2111,16051
95.8%
3Rear Extension5,0214,777244
95.1%
4Side Extension2,7722,626146
94.7%
5Front Extension37935821
94.5%
6Basement94387568
92.8%
7Dormer1,8811,732149
92.1%
8Extension (General)2,5372,328209
91.8%
9HMO64258953
91.7%
10Loft Conversion1,1001,00694
91.5%
11Outbuilding1,7931,635158
91.2%
12Garage / Parking4,8234,311512
89.4%
13Change of Use (Residential)2,2071,940267
87.9%
14Annex36732146
87.5%
15Hip-to-Gable Conversion54477
87.0%
16Flat Conversion12911217
86.8%
17New Build3,0332,520513
83.1%
See how this applies to your postcode →

These are council averages. Your property is specific.

A wraparound extension application has a 96.0% approval rate. New Build? Just 83.1%.
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What the data tells us

1
The range is massive: 83.1% to 96.0%. 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

2,478 planning applications in Bath & NE Somerset 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 Bath & NE Somerset planning data

Methodology: Classifies 36,819 decisions in Bath & NE Somerset 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 Bath & NE Somerset Council's public planning portal, January 2020 to present. Full methodology →
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