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Most Common Planning Applications in Causeway Coast and Glens Borough Council

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Causeway Coast and Glens Borough Council is 10.1% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

9,684 real decisions·15 project types·Updated June 2026
100.0%
Safest: HMO
89.9%
Lowest: New Build
10.1%
Spread
15
Types ranked

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All 15 project types ranked

#TypeDecisionsApprovedRefusedRate
1HMO41410
100.0%
2Conservatory50500
100.0%
3Side Extension5705655
99.1%
4Rear Extension1,1071,09611
99.0%
5Dormer1951932
99.0%
6Wraparound Extension71701
98.6%
7Front Extension1221202
98.4%
8Extension (General)1,4101,37634
97.6%
9Loft Conversion35341
97.1%
10Basement42402
95.2%
11Annex1131076
94.7%
12Garage / Parking2,9902,800190
93.6%
13Change of Use (Residential)47144031
93.4%
14Outbuilding50145645
91.0%
15New Build49744750
89.9%
See how this applies to your postcode →

These are council averages. Your property is specific.

A hmo application has a 100.0% approval rate. New Build? Just 89.9%.
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What the data tells us

1
The range is massive: 89.9% 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

554 planning applications in Causeway Coast and Glens Borough Council 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 Causeway Coast and Glens Borough Council planning data

Methodology: Classifies 9,684 decisions in Causeway Coast and Glens Borough Council 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 Causeway Coast and Glens Borough Council Council's public planning portal, January 2020 to present. Full methodology →
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