Data-backed planning intelligence · 2,500,000+ decisions analysed across England

Rear Extension Approval Rates in Blackpool

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 121 real decisions tell us about rear extension outcomes in Blackpool.

121 real decisions·January 2020 to present·Updated March 2026
87.6%
Approval Rate
121
Decisions
106
Approved
15
Refused
87.6% approved. But 15 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 Blackpool: Squires Gate approves 100.0% of rear extension applications while Layton sits at 80.0%. That 20.0% gap means your postcode is one of the strongest indicators of outcome.

Rear Extension approval rate by ward

#WardDecisionsApprovedRate
1Squires Gate88
100.0%
2Warbreck55
100.0%
3Layton54
80.0%
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These are council averages. Your property is specific.

A rear extension has a 100.0% approval rate in Squires Gate but just 80.0% in Layton.
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 Blackpool.

TypeDecisionsRate
Rear Extension121
87.6%
Garage / Parking76
81.6%
Side Extension57
77.2%
New Build28
71.4%
Dormer33
60.6%
See how this applies to your postcode →

What the data tells us

1
87.6% of rear extension applications in Blackpool get approved. That means 15 homeowners since 2020 have been refused. Not terrible odds, but not a foregone conclusion.
2
Your ward matters more than you think. The 20.0% gap between Squires Gate (100.0%) and Layton (80.0%) 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

15 rear extension applications in Blackpool 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 Blackpool planning data

Nearby councils rear extension data

Methodology: Based on 121 planning decisions classified as rear extensions in Blackpool, 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 Blackpool Council's public planning portal. Full methodology →
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