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Loft Conversion Approval Rates in Broadland

Loft conversions change your roofline — and that makes them one of the more closely scrutinised application types. Councils scrutinise visibility, overlooking and street character more closely than for ground-level work. Here's what the data shows in Broadland.

183 real decisions·January 2020 to August 2026·Updated August 2026
97.3%
Approval Rate
183
Decisions
178
Approved
5
Refused
97.3% approved. But 5 refused since 2020. Each refusal cost the homeowner time and money on drawings and application fees. Understanding your local data before you apply is the difference between confidence and a costly gamble.

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Why loft conversion approval rates matter

Loft conversions face more scrutiny than rear or side extensions because they change the property's profile from the street. Dormers, mansards and hip-to-gable alterations are particularly sensitive.

These are council averages. Your property is specific.

Two houses on the same street can get different outcomes.
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How loft conversions compare to other project types

Not all applications are treated equally. Here's how loft conversions stack up against other common projects in Broadland.

TypeDecisionsRate
Conservatory179
99.4%
Wraparound Extension106
99.1%
Rear Extension1,098
98.0%
Extension (General)527
97.7%
Side Extension541
97.6%
Front Extension206
97.6%
Loft Conversion183
97.3%
Dormer202
96.5%
Outbuilding427
95.3%
Annex161
95.0%
Garage / Parking1,002
91.4%
Change of Use (Residential)299
85.6%
New Build242
78.1%
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What the data tells us

1
97.3% of loft conversion applications in Broadland get approved. That means 5 homeowners since 2020 have been refused. Not terrible odds, but not a foregone conclusion.
3
Council averages are starting points, not guarantees. The decisions that matter most are the comparable ones near your specific property — because planning officers look at precedent, character and the immediate context of your street.

Before you spend £5,000+ on architects and drawings

5 loft conversion applications in Broadland 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 Broadland planning data

Methodology: Based on 183 planning decisions classified as loft conversions in Broadland, January 2020 to August 2026. Classification uses keyword matching against proposal descriptions (matching generate_site_data.py rules). A single application may appear in multiple categories. Approval rate = approved / (approved + refused). Pending, withdrawn and invalid applications excluded. Data from Broadland Council's public planning portal. Full methodology →
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