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Most Common Planning Applications in South Kesteven

Not all planning applications are created equal. The gap between the highest and lowest approval project type in South Kesteven is 30.0% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

5,968 real decisions·16 project types·Updated September 2026
96.7%
Safest: Loft Conversion
66.7%
Lowest: HMO
30.0%
Spread
16
Types ranked

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All 16 project types ranked

#TypeDecisionsApprovedRefusedRate
1Loft Conversion92893
96.7%
2Front Extension1941868
95.9%
3Rear Extension1,0571,01245
95.7%
4Conservatory1921839
95.3%
5Basement21201
95.2%
6Side Extension60857830
95.1%
7Outbuilding50047327
94.6%
8Wraparound Extension1121066
94.6%
9Extension (General)84378657
93.2%
10Garage / Parking1,2251,122103
91.6%
11Dormer17915722
87.7%
12Flat Conversion24213
87.5%
13Change of Use (Residential)54547669
87.3%
14Annex18015723
87.2%
15New Build559455104
81.4%
16HMO21147
66.7%
See how this applies to your postcode →

These are council averages. Your property is specific.

A loft conversion application has a 96.7% approval rate. HMO? Just 66.7%.
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What the data tells us

1
The range is massive: 66.7% to 96.7%. 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

515 planning applications in South Kesteven 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 South Kesteven planning data

Methodology: Classifies 5,968 decisions in South Kesteven 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 South Kesteven Council's public planning portal, January 2020 to September 2026. Full methodology →
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