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Most Common Planning Applications in Broads Authority

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Broads Authority is 14.7% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

1,363 real decisions·10 project types·Updated September 2026
100.0%
Safest: Side Extension
85.3%
Lowest: Annex
14.7%
Spread
10
Types ranked

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All 10 project types ranked

#TypeDecisionsApprovedRefusedRate
1Side Extension35350
100.0%
2Outbuilding1881835
97.3%
3Extension (General)1781735
97.2%
4Rear Extension85823
96.5%
5Conservatory40382
95.0%
6Garage / Parking17716314
92.1%
7Dormer25223
88.0%
8New Build33294
87.9%
9Change of Use (Residential)807010
87.5%
10Annex34295
85.3%
See how this applies to your postcode →

These are council averages. Your property is specific.

A side extension application has a 100.0% approval rate. Annex? Just 85.3%.
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What the data tells us

1
The range is massive: 85.3% to 100.0%. 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

89 planning applications in Broads Authority 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 Broads Authority planning data

Methodology: Classifies 1,363 decisions in Broads Authority 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 Broads Authority Council's public planning portal, January 2020 to September 2026. Full methodology →
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