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Most Common Planning Applications in Doncaster

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Doncaster is 18.9% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

12,085 real decisions·16 project types·Updated June 2026
97.7%
Safest: Conservatory
78.8%
Lowest: Basement
18.9%
Spread
16
Types ranked

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All 16 project types ranked

#TypeDecisionsApprovedRefusedRate
1Conservatory51250012
97.7%
2Rear Extension1,7491,69455
96.9%
3Loft Conversion2462379
96.3%
4Side Extension1,0661,01848
95.5%
5Extension (General)1,5331,45875
95.1%
6Wraparound Extension1561488
94.9%
7Outbuilding64861236
94.4%
8Front Extension26024416
93.8%
9Garage / Parking2,1792,006173
92.1%
10Annex13112011
91.6%
11Dormer32028931
90.3%
12New Build1,4581,276182
87.5%
13HMO20617630
85.4%
14Flat Conversion48417
85.4%
15Change of Use (Residential)905770135
85.1%
16Basement33267
78.8%
See how this applies to your postcode →

These are council averages. Your property is specific.

A conservatory application has a 97.7% approval rate. Basement? Just 78.8%.
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What the data tells us

1
The range is massive: 78.8% to 97.7%. 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

994 planning applications in Doncaster 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 Doncaster planning data

Nearby councils project type rankings

Methodology: Classifies 12,085 decisions in Doncaster 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 Doncaster Council's public planning portal, January 2020 to present. Full methodology →
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