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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 1,065 real decisions tell us about rear extension outcomes in South Ribble.

1,065 real decisions·January 2020 to September 2026·Updated September 2026
98.3%
Approval Rate
1,065
Decisions
1,047
Approved
18
Refused
98.3% 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.

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 South Ribble.

TypeDecisionsRate
Conservatory178
98.9%
Front Extension77
98.7%
Rear Extension1,065
98.3%
Loft Conversion51
98.0%
Wraparound Extension132
97.7%
Side Extension607
97.2%
Annex68
97.1%
Dormer242
96.3%
Garage / Parking704
95.5%
Extension (General)342
95.0%
HMO27
92.6%
Outbuilding210
91.0%
Change of Use (Residential)245
90.6%
New Build330
90.3%
See how this applies to your postcode →

What the data tells us

1
98.3% 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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Free · Property report emailed in minutes · Based on 3,840,000+ real decisions

More South Ribble planning data

Methodology: Based on 1,065 planning decisions classified as rear extensions in South Ribble, 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 South Ribble Council's public planning portal. Full methodology →
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