Data-backed planning intelligence · 3,290,000+ decisions analysed across England

Rear Extension Approval Rates in South Ribble

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,024 real decisions tell us about rear extension outcomes in South Ribble.

1,024 real decisions·January 2020 to present·Updated June 2026
98.2%
Approval Rate
1,024
Decisions
1,006
Approved
18
Refused
98.2% approved. But 18 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.

Rear Extension approval rate by ward

#WardDecisionsApprovedRate
1New Longton and Hutton East66
100.0%
2Howick and Priory77
100.0%
3Longton and Hutton West77
100.0%
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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 South Ribble.

TypeDecisionsRate
Conservatory170
98.8%
Front Extension75
98.7%
Annex63
98.4%
Rear Extension1,024
98.2%
Loft Conversion48
97.9%
Wraparound Extension126
97.6%
Side Extension585
97.1%
Dormer230
96.1%
Garage / Parking667
95.4%
Extension (General)332
94.9%
HMO23
91.3%
Change of Use (Residential)234
90.6%
Outbuilding198
90.4%
New Build312
89.7%
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What the data tells us

1
98.2% of rear extension applications in South Ribble get approved. That means 18 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

18 rear extension applications in South Ribble 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 South Ribble planning data

Methodology: Based on 1,024 planning decisions classified as rear extensions in South Ribble, 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 South Ribble Council's public planning portal. Full methodology →
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