Side Extension approval rate in Greenwich

Greenwich approved 59.8% of side extension applications, based on 1,988 decisions analysed.

Last updated: March 2026

59.8%

side extension approval rate

1,988

Side Extension decisions

1,189

Approved

799

Refused

78.1%

Greenwich overall

Side Extension applications are refused more often than the Greenwich average (78.1%), suggesting the council scrutinises these projects more closely.

How side extension compares in Greenwich

Side Extension (1,988 decided)

59.8%

Greenwich all applications (22,217 decided)

78.1%

Planning a side extension in Greenwich?

59.8% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

Get Greenwich Pro Report — £79

Less than one set of revised drawings.