Data-backed planning intelligence · 3,840,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

New Build approval rate in Sefton

Sefton approved 85.6% of new build applications, based on 348 decisions analysed.

Last updated: September 2026

85.6%
new build approval rate
348
New Build decisions
298
Approved
50
Refused
90.5%
Sefton overall

New Build applications are refused more often than the Sefton average (90.5%), suggesting the council scrutinises these projects more closely.

How new build compares in Sefton

New Build (348 decided)
85.6%
Sefton all applications (5,018 decided)
90.5%

Planning a new build in Sefton?

85.6% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

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✓ Nearest comparable new build decisions
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Planning professional? PlanningLens runs refusal alerts and evidence packs for Sefton and any other published UK council — see the data services →

Other project types in Sefton

Extension (General) (2,040 decided)
94.0%
Garage / Parking (984 decided)
91.6%
Dormer (605 decided)
94.0%
Rear Extension (586 decided)
91.1%
73.6%
Conservatory (412 decided)
97.8%
Outbuilding (323 decided)
91.3%
Side Extension (239 decided)
96.7%
Loft Conversion (114 decided)
95.6%
Flat Conversion (96 decided)
75.0%
HMO (72 decided)
43.1%
98.5%
100.0%
Basement (43 decided)
83.7%
Annex (42 decided)
95.2%
Front Extension (38 decided)
94.7%
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