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Most Common Planning Applications in Chesterfield

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Chesterfield is 14.3% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

4,972 real decisions·14 project types·Updated June 2026
96.8%
Safest: Conservatory
82.5%
Lowest: New Build
14.3%
Spread
14
Types ranked

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All 14 project types ranked

#TypeDecisionsApprovedRefusedRate
1Conservatory1881826
96.8%
2Wraparound Extension86833
96.5%
3HMO29272
93.1%
4Rear Extension82476658
93.0%
5Side Extension54650739
92.9%
6Extension (General)45441935
92.3%
7Dormer13612412
91.2%
8Loft Conversion77707
90.9%
9Front Extension13812513
90.6%
10Annex42384
90.5%
11Garage / Parking81472292
88.7%
12Change of Use (Residential)32027644
86.2%
13Outbuilding17915029
83.8%
14New Build20617036
82.5%
See how this applies to your postcode →

These are council averages. Your property is specific.

A conservatory application has a 96.8% approval rate. New Build? Just 82.5%.
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What the data tells us

1
The range is massive: 82.5% to 96.8%. 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

486 planning applications in Chesterfield 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 Chesterfield planning data

Nearby councils project type rankings

Methodology: Classifies 4,972 decisions in Chesterfield 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 Chesterfield Council's public planning portal, January 2020 to present. Full methodology →
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