Data-backed planning intelligence · 2,500,000+ decisions analysed across England, Scotland and Wales

Rear Extension approval rate in Swansea

Swansea approved 82.8% of rear extension applications, based on 604 decisions analysed.

Last updated: March 2026

82.8%
rear extension approval rate
604
Rear Extension decisions
500
Approved
104
Refused
86.1%
Swansea overall

Rear Extension applications are refused more often than the Swansea average (86.1%), suggesting the council scrutinises these projects more closely.

How rear extension compares in Swansea

Rear Extension (604 decided)
82.8%
Swansea all applications (2,873 decided)
86.1%

Planning a rear extension in Swansea?

82.8% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
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Less than one set of revised drawings.

Other project types in Swansea

Side Extension (379 decided)
81.0%
Garage / Parking (344 decided)
82.0%
Conservatory (137 decided)
85.4%
Dormer (120 decided)
63.3%
80.2%
Front Extension (74 decided)
77.0%
Extension (General) (68 decided)
91.2%
Loft Conversion (54 decided)
50.0%
Outbuilding (53 decided)
84.9%
Basement (16 decided)
68.8%
81.8%
Flat Conversion (11 decided)
63.6%
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