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Rear Extension Approval Rates in Tendring

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 212 real decisions tell us about rear extension outcomes in Tendring.

212 real decisions·January 2020 to August 2026·Updated August 2026
92.5%
Approval Rate
212
Decisions
196
Approved
16
Refused
92.5% approved. But 16 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.
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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 Tendring.

TypeDecisionsRate
Front Extension35
97.1%
Conservatory33
93.9%
Rear Extension212
92.5%
Outbuilding69
89.9%
Garage / Parking205
89.3%
Dormer49
87.8%
Side Extension112
85.7%
Extension (General)74
83.8%
Wraparound Extension22
81.8%
Annex41
70.7%
Change of Use (Residential)81
70.4%
New Build50
64.0%
See how this applies to your postcode →

What the data tells us

1
92.5% of rear extension applications in Tendring get approved. That means 16 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

16 rear extension applications in Tendring 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 Tendring planning data

Methodology: Based on 212 planning decisions classified as rear extensions in Tendring, January 2020 to August 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 Tendring Council's public planning portal. Full methodology →
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