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Rear Extension Approval Rates in Cannock Chase

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,008 real decisions tell us about rear extension outcomes in Cannock Chase.

1,008 real decisions·January 2020 to present·Updated June 2026
96.3%
Approval Rate
1,008
Decisions
971
Approved
37
Refused
96.3% approved. But 37 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.

Rear Extension approval rate by ward

#WardDecisionsApprovedRate
1Cannock Park & Old Fallow88
100.0%
2Norton Canes77
100.0%
3Etching HIll & the Heath55
100.0%
4Heath Hayes & Wimblebury66
100.0%
5Hednesford Pye Green55
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 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 Cannock Chase.

TypeDecisionsRate
Conservatory128
98.4%
Extension (General)364
96.7%
Rear Extension1,008
96.3%
Side Extension716
95.3%
Wraparound Extension105
95.2%
Outbuilding140
95.0%
Garage / Parking588
89.8%
Front Extension122
88.5%
Annex57
87.7%
Dormer103
87.4%
Change of Use (Residential)394
86.5%
New Build311
85.2%
Loft Conversion70
82.9%
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What the data tells us

1
96.3% of rear extension applications in Cannock Chase get approved. That means 37 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

37 rear extension applications in Cannock Chase 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 Cannock Chase planning data

Nearby councils rear extension data

Methodology: Based on 1,008 planning decisions classified as rear extensions in Cannock Chase, 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 Cannock Chase Council's public planning portal. Full methodology →
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