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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 34.5% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

12,015 real decisions·17 project types·Updated September 2026
96.0%
Safest: Conservatory
61.5%
Lowest: Flat Conversion
34.5%
Spread
17
Types ranked

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All 17 project types ranked

#TypeDecisionsApprovedRefusedRate
1Conservatory32631313
96.0%
2Wraparound Extension56253230
94.7%
3Rear Extension2,6222,462160
93.9%
4Side Extension1,7341,614120
93.1%
5Front Extension38235329
92.4%
6Hip-to-Gable Conversion17215913
92.4%
7Garage / Parking1,2941,167127
90.2%
8Loft Conversion24121724
90.0%
9Extension (General)64757275
88.4%
10Dormer872771101
88.4%
11Outbuilding37633145
88.0%
12Basement877611
87.4%
13Annex1129517
84.8%
14HMO37731760
84.1%
15Change of Use (Residential)576442134
76.7%
16New Build463350113
75.6%
17Flat Conversion261610
61.5%
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 61.5%.
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What the data tells us

1
The range is massive: 61.5% 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

1,187 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 12,015 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 September 2026. Full methodology →
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