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Loft Conversion Approval Rates in Newham

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 Newham.

1,990 real decisions·January 2020 to present·Updated March 2026
78.7%
Approval Rate
1,990
Decisions
1,567
Approved
423
Refused
78.7% approved. But 423 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.

Loft Conversion approval rate by ward

#WardDecisionsApprovedRate
1FGNTH54
80.0%
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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 Newham.

TypeDecisionsRate
Wraparound Extension335
89.3%
Conservatory192
87.5%
Garage / Parking1,226
87.1%
New Build560
85.7%
Flat Conversion769
81.1%
Side Extension1,056
79.7%
Hip-to-Gable Conversion121
79.3%
Dormer3,080
79.0%
Loft Conversion1,990
78.7%
Rear Extension4,353
78.6%
Extension (General)1,626
78.5%
Outbuilding409
77.0%
Basement388
73.2%
Annex39
69.2%
Change of Use (Residential)1,332
66.7%
Front Extension83
62.7%
HMO283
39.6%
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What the data tells us

1
78.7% of loft conversion applications in Newham get approved. That means 423 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

423 loft conversion applications in Newham have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A £79 report shows you what gets approved — and what gets refused — near your property.

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More Newham planning data

Nearby councils loft conversion data

Methodology: Based on 1,990 planning decisions classified as loft conversions in Newham, January 2020 to present. 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 Newham Council's public planning portal. Full methodology →
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