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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 17.7% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

23,108 real decisions·15 project types·Updated March 2026
98.5%
Safest: Conservatory
80.8%
Lowest: Flat Conversion
17.7%
Spread
15
Types ranked

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All 15 project types ranked

#TypeDecisionsApprovedRefusedRate
1Conservatory4784717
98.5%
2Outbuilding1,8961,83957
97.0%
3Basement1051014
96.2%
4Side Extension1,2381,18652
95.8%
5Rear Extension2,2822,181101
95.6%
6Wraparound Extension21820810
95.4%
7Front Extension27626313
95.3%
8Annex37635620
94.7%
9Loft Conversion22621412
94.7%
10Garage / Parking3,2463,070176
94.6%
11Extension (General)2,0901,978112
94.6%
12Dormer68764146
93.3%
13Change of Use (Residential)1,1181,02395
91.5%
14New Build1,7781,599179
89.9%
15Flat Conversion26215
80.8%
See how this applies to your postcode →

These are council averages. Your property is specific.

A conservatory application has a 98.5% approval rate. Flat Conversion? Just 80.8%.
Check your postcode to see what actually happens near your address.

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What the data tells us

1
The range is massive: 80.8% to 98.5%. 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

1,009 planning applications in Cotswold have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A £79 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 23,108 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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