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Rear Extension Approval Rates in Coventry

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 475 real decisions tell us about rear extension outcomes in Coventry.

475 real decisions·January 2020 to present·Updated March 2026
84.2%
Approval Rate
475
Decisions
400
Approved
75
Refused
84.2% approved. But 75 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 rear extension approval rates matter

Rear extensions sit in the middle of the pack nationally. They're common enough that councils have clear precedent — but that cuts both ways. If your neighbours have been refused, that precedent works against you too.

Ward gap in Coventry: Woodlands approves 100.0% of rear extension applications while Upper Stoke sits at 60.0%. That 40.0% gap means your postcode is one of the strongest indicators of outcome.

Rear Extension approval rate by ward

#WardDecisionsApprovedRate
1Woodlands55
100.0%
2Cheylesmore76
85.7%
3Wainbody54
80.0%
4Westwood54
80.0%
5Lower Stoke54
80.0%
6Bablake107
70.0%
7Earlsdon64
66.7%
8Upper Stoke53
60.0%
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These are council averages. Your property is specific.

A rear extension has a 100.0% approval rate in Woodlands but just 60.0% in Upper Stoke.
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How rear extensions compare to other project types

Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Coventry.

TypeDecisionsRate
Basement20
100.0%
Wraparound Extension55
96.4%
Flat Conversion29
93.1%
Side Extension178
92.1%
Front Extension38
92.1%
Conservatory22
90.9%
Outbuilding92
89.1%
Garage / Parking323
87.6%
Hip-to-Gable Conversion37
86.5%
Loft Conversion96
85.4%
Rear Extension475
84.2%
Extension (General)112
83.9%
Dormer129
82.2%
New Build118
78.8%
Change of Use (Residential)155
72.9%
HMO103
72.8%
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What the data tells us

1
84.2% of rear extension applications in Coventry get approved. That means 75 homeowners since 2020 have been refused. Not terrible odds, but not a foregone conclusion.
2
Your ward matters more than you think. The 40.0% gap between Woodlands (100.0%) and Upper Stoke (60.0%) means your postcode is one of the strongest indicators of outcome.
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

75 rear extension applications in Coventry 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 Coventry planning data

Methodology: Based on 475 planning decisions classified as rear extensions in Coventry, 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 Coventry Council's public planning portal. Full methodology →
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