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Loft Conversion Approval Rates in Leeds

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 Leeds.

732 real decisions·January 2020 to August 2026·Updated August 2026
82.4%
Approval Rate
732
Decisions
603
Approved
129
Refused
82.4% approved. But 129 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 Leeds.

TypeDecisionsRate
Rear Extension10,318
88.9%
Wraparound Extension2,061
87.2%
Conservatory1,077
87.2%
Side Extension7,066
86.1%
Extension (General)3,316
85.3%
Garage / Parking6,187
84.5%
Outbuilding1,895
82.7%
Loft Conversion732
82.4%
Hip-to-Gable Conversion460
80.9%
Dormer4,515
80.6%
Annex222
79.7%
HMO1,017
79.0%
Front Extension1,433
78.2%
Change of Use (Residential)2,318
76.8%
Basement674
76.6%
Flat Conversion237
75.1%
New Build749
72.4%
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What the data tells us

1
82.4% of loft conversion applications in Leeds get approved. That means 129 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

129 loft conversion applications in Leeds 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 Leeds planning data

Nearby councils loft conversion data

Methodology: Based on 732 planning decisions classified as loft conversions in Leeds, 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 Leeds Council's public planning portal. Full methodology →
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