Data-backed planning intelligence · 3,780,000+ decisions analysed across England

Most Common Planning Applications in York

Not all planning applications are created equal. The gap between the highest and lowest approval project type in York is 37.7% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

11,900 real decisions·17 project types·Updated August 2026
96.0%
Safest: Conservatory
58.3%
Lowest: Flat Conversion
37.7%
Spread
17
Types ranked

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All 17 project types ranked

#TypeDecisionsApprovedRefusedRate
1Conservatory32531213
96.0%
2Wraparound Extension55552629
94.8%
3Rear Extension2,5942,436158
93.9%
4Side Extension1,7161,598118
93.1%
5Hip-to-Gable Conversion17015713
92.4%
6Front Extension37734829
92.3%
7Garage / Parking1,2851,160125
90.3%
8Loft Conversion24021624
90.0%
9Extension (General)64457074
88.5%
10Dormer861761100
88.4%
11Outbuilding37432945
88.0%
12Basement877611
87.4%
13Annex1129517
84.8%
14HMO36930960
83.7%
15Change of Use (Residential)566436130
77.0%
16New Build463350113
75.6%
17Flat Conversion241410
58.3%
See how this applies to your postcode →

These are council averages. Your property is specific.

A conservatory application has a 96.0% approval rate. Flat Conversion? Just 58.3%.
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: 58.3% 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

1,175 planning applications in York 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 York planning data

Nearby councils project type rankings

Methodology: Classifies 11,900 decisions in York 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 York Council's public planning portal, January 2020 to August 2026. Full methodology →
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