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Loft Conversion Approval Rates in Thurrock

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 Thurrock.

1,266 real decisions·January 2020 to present·Updated March 2026
76.9%
Approval Rate
1,266
Decisions
974
Approved
292
Refused
76.9% approved. But 292 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
1Aveley And Uplands66
100.0%
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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 Thurrock.

TypeDecisionsRate
Conservatory301
85.4%
Extension (General)281
84.0%
Garage / Parking1,959
80.8%
Hip-to-Gable Conversion406
79.6%
Rear Extension3,518
77.9%
Outbuilding688
77.2%
Loft Conversion1,266
76.9%
Basement34
76.5%
Side Extension1,513
76.3%
Dormer1,357
76.1%
Front Extension391
76.0%
Annex175
75.4%
Wraparound Extension304
73.4%
New Build392
73.2%
Change of Use (Residential)589
72.0%
HMO68
69.1%
Flat Conversion69
65.2%
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What the data tells us

1
76.9% of loft conversion applications in Thurrock get approved. That means 292 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

292 loft conversion applications in Thurrock 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 Thurrock planning data

Nearby councils loft conversion data

Methodology: Based on 1,266 planning decisions classified as loft conversions in Thurrock, 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 Thurrock Council's public planning portal. Full methodology →
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