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Loft Conversion Approval Rates in Hackney

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 Hackney.

2,538 real decisions·January 2020 to August 2026·Updated August 2026
81.1%
Approval Rate
2,538
Decisions
2,059
Approved
479
Refused
81.1% approved. But 479 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 Hackney.

TypeDecisionsRate
Garage / Parking1,051
93.1%
Flat Conversion981
92.0%
Conservatory127
89.8%
Basement2,925
88.3%
New Build940
87.8%
Change of Use (Residential)2,033
86.8%
Outbuilding581
85.7%
Side Extension961
85.5%
Rear Extension4,029
85.0%
Wraparound Extension239
84.9%
Front Extension71
84.5%
Extension (General)1,414
84.4%
Dormer1,605
81.9%
Loft Conversion2,538
81.1%
HMO168
71.4%
Hip-to-Gable Conversion74
66.2%
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What the data tells us

1
81.1% of loft conversion applications in Hackney get approved. That means 479 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

479 loft conversion applications in Hackney 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 Hackney planning data

Nearby councils loft conversion data

Methodology: Based on 2,538 planning decisions classified as loft conversions in Hackney, 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 Hackney Council's public planning portal. Full methodology →
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