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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.

167 real decisions·January 2020 to present·Updated March 2026
73.1%
Approval Rate
167
Decisions
122
Approved
45
Refused
73.1% approved. But 45 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
Conservatory197
87.8%
Rear Extension949
87.1%
Front Extension90
86.7%
Extension (General)621
85.3%
Change of Use (Residential)283
85.2%
HMO74
83.8%
New Build234
83.3%
Outbuilding135
83.0%
Side Extension495
82.6%
Garage / Parking632
82.3%
Wraparound Extension111
82.0%
Basement21
81.0%
Loft Conversion167
73.1%
Dormer152
69.7%
Annex44
63.6%
See how this applies to your postcode →

What the data tells us

1
73.1% of loft conversion applications in Gloucester get approved. That means 45 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

45 loft conversion applications in Gloucester 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 Gloucester planning data

Nearby councils loft conversion data

Methodology: Based on 167 planning decisions classified as loft conversions in Gloucester, 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 Gloucester Council's public planning portal. Full methodology →
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