Data-backed planning intelligence · 2,500,000+ decisions analysed across England

Loft Conversion Approval Rates in Tower Hamlets

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 Tower Hamlets.

1,264 real decisions·January 2020 to present·Updated March 2026
74.8%
Approval Rate
1,264
Decisions
946
Approved
318
Refused
74.8% approved. But 318 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.

Check Planning Approval Patterns in Tower Hamlets

See your ward's approval rate and nearby planning decisions — free and instant.

Check My Postcode

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
1Bow West1010
100.0%
See how this applies to your postcode →

These are council averages. Your property is specific.

Two houses on the same street can get different outcomes.
Check your postcode to see what actually happens near your address.

Check My Postcode

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 Tower Hamlets.

TypeDecisionsRate
Garage / Parking1,659
91.3%
New Build831
90.6%
Conservatory122
88.5%
Basement1,739
87.3%
Extension (General)1,161
84.3%
Flat Conversion392
83.7%
Side Extension406
83.0%
Outbuilding380
82.6%
Wraparound Extension66
81.8%
Rear Extension1,827
80.5%
Change of Use (Residential)2,189
79.8%
Dormer504
78.0%
Annex25
76.0%
Front Extension73
75.3%
Loft Conversion1,264
74.8%
HMO226
50.9%
See how this applies to your postcode →

What the data tells us

1
74.8% of loft conversion applications in Tower Hamlets get approved. That means 318 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

318 loft conversion applications in Tower Hamlets 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.

Check My Postcode First
Free instant check · Pro Report £79 · Based on 2,500,000+ real decisions

More Tower Hamlets planning data

Nearby councils loft conversion data

Methodology: Based on 1,264 planning decisions classified as loft conversions in Tower Hamlets, 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 Tower Hamlets Council's public planning portal. Full methodology →
Check planning approval patterns in Tower Hamlets — Free