Rear Extension approval rate in King's Lynn & West Norfolk

King's Lynn & West Norfolk approved 96.0% of rear extension applications, based on 149 decisions analysed.

Last updated: March 2026

96.0%

rear extension approval rate

149

Rear Extension decisions

143

Approved

Refused

93.2%

King's Lynn & West Norfolk overall

Rear Extension applications are approved more often than the King's Lynn & West Norfolk average (93.2%), suggesting the council is relatively receptive to these projects.

How rear extension compares in King's Lynn & West Norfolk

Rear Extension (149 decided)

96.0%

King's Lynn & West Norfolk all applications (2,011 decided)

93.2%

Planning a rear extension in King's Lynn & West Norfolk?

96.0% 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
✓ PDF report for your architect

Get King's Lynn & West Norfolk Pro Report — £79

Less than one set of revised drawings.