Data-backed planning intelligence · 3,290,000+ 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 6.9% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

6,826 real decisions·14 project types·Updated June 2026
100.0%
Safest: Wraparound Extension
93.1%
Lowest: Change of Use (Residential)
6.9%
Spread
14
Types ranked

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All 14 project types ranked

#TypeDecisionsApprovedRefusedRate
1Wraparound Extension65650
100.0%
2Side Extension5095090
100.0%
3HMO23230
100.0%
4Loft Conversion1361360
100.0%
5Front Extension90900
100.0%
6Dormer3103091
99.7%
7Conservatory2322311
99.6%
8Rear Extension8818747
99.2%
9Garage / Parking1,00297824
97.6%
10Annex42411
97.6%
11Outbuilding2952869
96.9%
12New Build2202137
96.8%
13Extension (General)78373944
94.4%
14Change of Use (Residential)30528421
93.1%
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 93.1%.
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What the data tells us

1
The range is massive: 93.1% 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

376 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 6,826 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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