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Most Common Planning Applications in Cotswold

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Cotswold is 15.0% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

10,613 real decisions·15 project types·Updated September 2026
98.3%
Safest: Conservatory
83.3%
Lowest: Flat Conversion
15.0%
Spread
15
Types ranked

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All 15 project types ranked

#TypeDecisionsApprovedRefusedRate
1Conservatory5305219
98.3%
2Outbuilding2,0341,97361
97.0%
3Basement1111074
96.4%
4Side Extension1,3231,26954
95.9%
5Rear Extension2,4802,369111
95.5%
6Wraparound Extension23322211
95.3%
7Front Extension28927514
95.2%
8Annex40038020
95.0%
9Extension (General)2,2272,109118
94.7%
10Garage / Parking3,4733,285188
94.6%
11Loft Conversion24122615
93.8%
12Dormer73067555
92.5%
13Change of Use (Residential)1,1811,073108
90.9%
14New Build1,8971,708189
90.0%
15Flat Conversion30255
83.3%
See how this applies to your postcode →

These are council averages. Your property is specific.

A conservatory application has a 98.3% approval rate. Flat Conversion? Just 83.3%.
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What the data tells us

1
The range is massive: 83.3% to 98.3%. 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

790 planning applications in Cotswold 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 Cotswold planning data

Nearby councils project type rankings

Methodology: Classifies 10,613 decisions in Cotswold 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 Cotswold Council's public planning portal, January 2020 to September 2026. Full methodology →
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