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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 16.5% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

24,038 real decisions·15 project types·Updated June 2026
98.6%
Safest: Conservatory
82.1%
Lowest: Flat Conversion
16.5%
Spread
15
Types ranked

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All 15 project types ranked

#TypeDecisionsApprovedRefusedRate
1Conservatory5004937
98.6%
2Outbuilding1,9741,91658
97.1%
3Basement1091054
96.3%
4Side Extension1,2901,23852
96.0%
5Rear Extension2,3892,284105
95.6%
6Wraparound Extension22821810
95.6%
7Front Extension28427014
95.1%
8Annex39237220
94.9%
9Loft Conversion23322112
94.8%
10Extension (General)2,1662,052114
94.7%
11Garage / Parking3,3743,192182
94.6%
12Dormer70965950
92.9%
13Change of Use (Residential)1,1501,049101
91.2%
14New Build1,8471,664183
90.1%
15Flat Conversion28235
82.1%
See how this applies to your postcode →

These are council averages. Your property is specific.

A conservatory application has a 98.6% approval rate. Flat Conversion? Just 82.1%.
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What the data tells us

1
The range is massive: 82.1% to 98.6%. 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

1,045 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 24,038 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 present. Full methodology →
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