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Most Common Planning Applications in Exeter

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Exeter is 21.5% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

3,722 real decisions·17 project types·Updated September 2026
92.9%
Safest: Conservatory
71.4%
Lowest: New Build
21.5%
Spread
17
Types ranked

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All 17 project types ranked

#TypeDecisionsApprovedRefusedRate
1Conservatory18317013
92.9%
2Outbuilding31428826
91.7%
3Rear Extension1,1031,01093
91.6%
4Extension (General)50846444
91.3%
5Dormer44539946
89.7%
6Wraparound Extension57507
87.7%
7Garage / Parking839732107
87.2%
8Loft Conversion27623838
86.2%
9Change of Use (Residential)38232953
86.1%
10Hip-to-Gable Conversion776611
85.7%
11Front Extension61529
85.2%
12HMO25921841
84.2%
13Side Extension42835870
83.6%
14Basement826715
81.7%
15Annex604614
76.7%
16Flat Conversion463511
76.1%
17New Build705020
71.4%
See how this applies to your postcode →

These are council averages. Your property is specific.

A conservatory application has a 92.9% approval rate. New Build? Just 71.4%.
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What the data tells us

1
The range is massive: 71.4% to 92.9%. 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

478 planning applications in Exeter 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 Exeter planning data

Nearby councils project type rankings

Methodology: Classifies 3,722 decisions in Exeter 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 Exeter Council's public planning portal, January 2020 to September 2026. Full methodology →
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