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Most Common Planning Applications in Pembrokeshire Coast National Park

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Pembrokeshire Coast National Park is 13.5% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

6,872 real decisions·11 project types·Updated June 2026
98.0%
Safest: Side Extension
84.5%
Lowest: New Build
13.5%
Spread
11
Types ranked

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All 11 project types ranked

#TypeDecisionsApprovedRefusedRate
1Side Extension1521493
98.0%
2Conservatory1451414
97.2%
3Dormer18217210
94.5%
4Outbuilding45242428
93.8%
5Rear Extension28026218
93.6%
6Extension (General)1,05398469
93.4%
7Garage / Parking53249537
93.0%
8Loft Conversion56524
92.9%
9Annex76706
92.1%
10Change of Use (Residential)34229844
87.1%
11New Build1169818
84.5%
See how this applies to your postcode →

These are council averages. Your property is specific.

A side extension application has a 98.0% approval rate. New Build? Just 84.5%.
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What the data tells us

1
The range is massive: 84.5% to 98.0%. 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

545 planning applications in Pembrokeshire Coast National Park 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 Pembrokeshire Coast National Park planning data

Methodology: Classifies 6,872 decisions in Pembrokeshire Coast National Park 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 Pembrokeshire Coast National Park Council's public planning portal, January 2020 to present. Full methodology →
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