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Loft Conversion Approval Rates in Gloucester

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 Gloucester.

181 real decisions·January 2020 to September 2026·Updated September 2026
73.5%
Approval Rate
181
Decisions
133
Approved
48
Refused
73.5% approved. But 48 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 Gloucester.

TypeDecisionsRate
Conservatory215
87.9%
Front Extension97
87.6%
Rear Extension1,054
87.1%
Extension (General)653
85.1%
Change of Use (Residential)312
84.9%
New Build241
83.0%
Wraparound Extension123
82.9%
Side Extension535
82.6%
Garage / Parking681
81.9%
Outbuilding154
81.8%
Basement21
81.0%
HMO96
79.2%
Loft Conversion181
73.5%
Dormer172
71.5%
Annex50
60.0%
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What the data tells us

1
73.5% of loft conversion applications in Gloucester get approved. That means 48 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

48 loft conversion applications in Gloucester 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 Gloucester planning data

Nearby councils loft conversion data

Methodology: Based on 181 planning decisions classified as loft conversions in Gloucester, 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 Gloucester Council's public planning portal. Full methodology →
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