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Loft Conversion Approval Rates in Havering

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 Havering.

2,419 real decisions·January 2020 to September 2026·Updated September 2026
77.6%
Approval Rate
2,419
Decisions
1,876
Approved
543
Refused
77.6% approved. But 543 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 Havering.

TypeDecisionsRate
Conservatory625
83.7%
Rear Extension8,687
82.1%
Hip-to-Gable Conversion1,726
81.8%
Wraparound Extension522
78.5%
Dormer4,075
78.0%
Loft Conversion2,419
77.6%
Outbuilding1,622
77.1%
Side Extension3,301
77.0%
Garage / Parking4,363
76.7%
Front Extension1,090
75.9%
New Build967
75.7%
Extension (General)728
74.7%
Annex311
70.1%
Basement90
65.6%
Change of Use (Residential)1,286
59.8%
Flat Conversion322
59.0%
HMO191
22.5%
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What the data tells us

1
77.6% of loft conversion applications in Havering get approved. That means 543 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

543 loft conversion applications in Havering 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 Havering planning data

Nearby councils loft conversion data

Methodology: Based on 2,419 planning decisions classified as loft conversions in Havering, January 2020 to September 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 Havering Council's public planning portal. Full methodology →
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