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Most Common Planning Applications in Loch Lomond & The Trossachs National Park

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Loch Lomond & The Trossachs National Park is 13.1% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

8,002 real decisions·12 project types·Updated August 2026
100.0%
Safest: Wraparound Extension
86.9%
Lowest: New Build
13.1%
Spread
12
Types ranked

Check Planning Approval Patterns in Loch Lomond & The Trossachs National Park

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All 12 project types ranked

#TypeDecisionsApprovedRefusedRate
1Wraparound Extension23230
100.0%
2Rear Extension1911883
98.4%
3Conservatory2782735
98.2%
4Dormer1771716
96.6%
5Side Extension1061024
96.2%
6Extension (General)1,6881,62266
96.1%
7Garage / Parking87182249
94.4%
8Annex35332
94.3%
9Outbuilding35833523
93.6%
10Change of Use (Residential)76470460
92.1%
11Flat Conversion28253
89.3%
12New Build1,024890134
86.9%
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. New Build? Just 86.9%.
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What the data tells us

1
The range is massive: 86.9% 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

447 planning applications in Loch Lomond & The Trossachs 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 Loch Lomond & The Trossachs National Park planning data

Methodology: Classifies 8,002 decisions in Loch Lomond & The Trossachs 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 Loch Lomond & The Trossachs National Park Council's public planning portal, January 2020 to August 2026. Full methodology →
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