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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 18.7% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

8,750 real decisions·17 project types·Updated September 2026
97.5%
Safest: Conservatory
78.8%
Lowest: Basement
18.7%
Spread
17
Types ranked

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All 17 project types ranked

#TypeDecisionsApprovedRefusedRate
1Conservatory52551213
97.5%
2Rear Extension1,8141,75856
96.9%
3Loft Conversion2482399
96.4%
4Side Extension1,1071,05948
95.7%
5Extension (General)1,5671,49077
95.1%
6Wraparound Extension1631558
95.1%
7Outbuilding66863038
94.3%
8Front Extension26625016
94.0%
9Garage / Parking2,2432,069174
92.2%
10Annex14113011
92.2%
11Dormer33330231
90.7%
12Hip-to-Gable Conversion21192
90.5%
13New Build1,4971,315182
87.8%
14HMO21518530
86.0%
15Flat Conversion50437
86.0%
16Change of Use (Residential)947811136
85.6%
17Basement33267
78.8%
See how this applies to your postcode →

These are council averages. Your property is specific.

A conservatory application has a 97.5% approval rate. Basement? Just 78.8%.
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What the data tells us

1
The range is massive: 78.8% to 97.5%. 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

684 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 8,750 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 September 2026. Full methodology →
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