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Rear Extension Approval Rates in Pendle

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 550 real decisions tell us about rear extension outcomes in Pendle.

550 real decisions·January 2020 to present·Updated June 2026
87.1%
Approval Rate
550
Decisions
479
Approved
71
Refused
87.1% approved. But 71 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 Pendle: Barrowford & Pendleside approves 100.0% of rear extension applications while Brierfield East & Clover Hill 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
1Barrowford & Pendleside55
100.0%
2Whitefield & Walverden98
88.9%
3Marsden & Southfield76
85.7%
4Brierfield East & Clover Hill54
80.0%
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These are council averages. Your property is specific.

A rear extension has a 100.0% approval rate in Barrowford & Pendleside but just 80.0% in Brierfield East & Clover Hill.
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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 Pendle.

TypeDecisionsRate
Basement21
90.5%
Conservatory87
89.7%
Wraparound Extension57
89.5%
Side Extension291
88.7%
Dormer215
88.4%
Extension (General)317
88.3%
Rear Extension550
87.1%
Outbuilding139
87.1%
Garage / Parking477
85.1%
Annex39
84.6%
New Build298
83.9%
Loft Conversion30
83.3%
Change of Use (Residential)282
81.6%
Front Extension26
80.8%
See how this applies to your postcode →

What the data tells us

1
87.1% of rear extension applications in Pendle get approved. That means 71 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 Barrowford & Pendleside (100.0%) and Brierfield East & Clover Hill (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

71 rear extension applications in Pendle 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 Pendle planning data

Nearby councils rear extension data

Methodology: Based on 550 planning decisions classified as rear extensions in Pendle, 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 Pendle Council's public planning portal. Full methodology →
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