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Most Common Planning Applications in Lincoln

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Lincoln is 15.0% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

6,781 real decisions·16 project types·Updated March 2026
99.1%
Safest: Front Extension
84.1%
Lowest: Flat Conversion
15.0%
Spread
16
Types ranked

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All 16 project types ranked

#TypeDecisionsApprovedRefusedRate
1Front Extension1151141
99.1%
2Conservatory88871
98.9%
3Side Extension5925857
98.8%
4Wraparound Extension2562524
98.4%
5Rear Extension94192516
98.3%
6Basement31301
96.8%
7Annex42402
95.2%
8HMO83178843
94.8%
9Extension (General)19418410
94.8%
10Garage / Parking45642828
93.9%
11Outbuilding15314310
93.5%
12Dormer91856
93.4%
13Loft Conversion28262
92.9%
14Change of Use (Residential)66261250
92.4%
15New Build24922227
89.2%
16Flat Conversion44377
84.1%
See how this applies to your postcode →

These are council averages. Your property is specific.

A front extension application has a 99.1% approval rate. Flat Conversion? Just 84.1%.
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What the data tells us

1
The range is massive: 84.1% to 99.1%. 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

318 planning applications in Lincoln have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A £79 report shows you what gets approved — and what gets refused — near your property.

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More Lincoln planning data

Nearby councils project type rankings

Methodology: Classifies 6,781 decisions in Lincoln 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 Lincoln Council's public planning portal, January 2020 to present. Full methodology →
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