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Rear Extension Approval Rates in Tameside

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,205 real decisions tell us about rear extension outcomes in Tameside.

1,205 real decisions·January 2020 to September 2026·Updated September 2026
85.9%
Approval Rate
1,205
Decisions
1,035
Approved
170
Refused
85.9% approved. But 170 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 Tameside.

TypeDecisionsRate
Conservatory137
94.9%
Wraparound Extension140
90.7%
Hip-to-Gable Conversion26
88.5%
Garage / Parking491
88.0%
Side Extension771
87.9%
Outbuilding105
87.6%
Front Extension132
86.4%
Rear Extension1,205
85.9%
Loft Conversion132
85.6%
New Build129
84.5%
Dormer239
82.8%
Flat Conversion28
82.1%
Extension (General)285
81.8%
Change of Use (Residential)302
74.8%
HMO90
65.6%
See how this applies to your postcode →

What the data tells us

1
85.9% of rear extension applications in Tameside get approved. That means 170 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

170 rear extension applications in Tameside 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 Tameside planning data

Nearby councils rear extension data

Methodology: Based on 1,205 planning decisions classified as rear extensions in Tameside, 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 Tameside Council's public planning portal. Full methodology →
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