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

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.

12,357 real decisions·17 project types·Updated August 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
1Conservatory52150813
97.5%
2Rear Extension1,7911,73556
96.9%
3Loft Conversion2482399
96.4%
4Side Extension1,0881,04048
95.6%
5Extension (General)1,5561,47977
95.1%
6Wraparound Extension1621548
95.1%
7Outbuilding66062337
94.4%
8Front Extension26424816
93.9%
9Garage / Parking2,2212,047174
92.2%
10Annex13812711
92.0%
11Dormer32829731
90.5%
12Hip-to-Gable Conversion21192
90.5%
13New Build1,4831,301182
87.7%
14Flat Conversion50437
86.0%
15HMO21118130
85.8%
16Change of Use (Residential)930794136
85.4%
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

1,005 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 12,357 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 August 2026. Full methodology →
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