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Most Common Planning Applications in South Ayrshire

Not all planning applications are created equal. The gap between the highest and lowest approval project type in South Ayrshire is 12.7% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

923 real decisions·5 project types·Updated September 2026
99.3%
Safest: Extension (General)
86.6%
Lowest: New Build
12.7%
Spread
5
Types ranked

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All 5 project types ranked

#TypeDecisionsApprovedRefusedRate
1Extension (General)4484453
99.3%
2Garage / Parking80782
97.5%
3Outbuilding66633
95.5%
4Change of Use (Residential)11510213
88.7%
5New Build827111
86.6%
See how this applies to your postcode →

These are council averages. Your property is specific.

A extension (general) application has a 99.3% approval rate. New Build? Just 86.6%.
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What the data tells us

1
The range is massive: 86.6% to 99.3%. 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

39 planning applications in South Ayrshire 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 South Ayrshire planning data

Methodology: Classifies 923 decisions in South Ayrshire 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 South Ayrshire Council's public planning portal, January 2020 to September 2026. Full methodology →
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