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Rear Extension Approval Rates in Cheshire East

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 2,772 real decisions tell us about rear extension outcomes in Cheshire East.

2,772 real decisions·January 2020 to September 2026·Updated September 2026
93.0%
Approval Rate
2,772
Decisions
2,579
Approved
193
Refused
93.0% approved. But 193 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.

These are council averages. Your property is specific.

Two houses on the same street can get different outcomes.
Check your postcode to see what actually happens near your address.

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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 Cheshire East.

TypeDecisionsRate
Conservatory469
93.6%
Front Extension434
93.5%
Rear Extension2,772
93.0%
Wraparound Extension363
92.3%
Side Extension1,839
91.6%
Loft Conversion321
88.2%
Extension (General)1,842
87.4%
Dormer646
87.0%
Flat Conversion30
86.7%
HMO66
86.4%
Garage / Parking2,686
86.3%
Outbuilding916
83.3%
Basement74
82.4%
Annex171
79.5%
New Build817
78.5%
Change of Use (Residential)851
76.4%
See how this applies to your postcode →

What the data tells us

1
93.0% of rear extension applications in Cheshire East get approved. That means 193 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

193 rear extension applications in Cheshire East 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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Free · Property report emailed in minutes · Based on 3,840,000+ real decisions

More Cheshire East planning data

Methodology: Based on 2,772 planning decisions classified as rear extensions in Cheshire East, 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 Cheshire East Council's public planning portal. Full methodology →
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