Data-backed planning intelligence · 2,650,000+ decisions analysed across England

Most Common Planning Applications in West Lancashire

Not all planning applications are created equal. The gap between the highest and lowest approval project type in West Lancashire is 7.2% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

6,536 real decisions·14 project types·Updated May 2026
100.0%
Safest: Wraparound Extension
92.8%
Lowest: Change of Use (Residential)
7.2%
Spread
14
Types ranked

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All 14 project types ranked

#TypeDecisionsApprovedRefusedRate
1Wraparound Extension59590
100.0%
2Side Extension4844840
100.0%
3HMO23230
100.0%
4Loft Conversion1301300
100.0%
5Front Extension82820
100.0%
6Dormer2952941
99.7%
7Conservatory2242231
99.6%
8Rear Extension8378307
99.2%
9Garage / Parking95993623
97.6%
10Annex40391
97.5%
11Outbuilding2792718
97.1%
12New Build2102046
97.1%
13Extension (General)75371142
94.4%
14Change of Use (Residential)29026921
92.8%
See how this applies to your postcode →

These are council averages. Your property is specific.

A wraparound extension application has a 100.0% approval rate. Change of Use (Residential)? Just 92.8%.
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What the data tells us

1
The range is massive: 92.8% to 100.0%. Choosing the right project type — or framing your application correctly — can dramatically affect outcomes.
2
Visibility drives scrutiny. Project types that change the external appearance — dormers, loft conversions, hip-to-gable — face more resistance than those that don't. The more visible your proposal, the more carefully it needs designing.
3
These are council-wide averages. Your ward, your street and your immediate neighbours all shift the odds. The comparable decisions near your property are the best indicator of outcome.

Before you spend £5,000+ on architects and drawings

364 planning applications in West Lancashire 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 West Lancashire planning data

Methodology: Classifies 6,536 decisions in West Lancashire into residential project types using keyword matching against proposal descriptions (matching generate_site_data.py subtype rules). A single application may appear in multiple categories. Data from West Lancashire Council's public planning portal, January 2020 to present. Full methodology →
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