Side Extension approval rate in Southend-on-Sea

Southend-on-Sea approved 84.1% of side extension applications, based on 82 decisions analysed.

Last updated: March 2026

84.1%

side extension approval rate

Side Extension decisions

Approved

Refused

79.4%

Southend-on-Sea overall

Side Extension applications are approved more often than the Southend-on-Sea average (79.4%), suggesting the council is relatively receptive to these projects.

How side extension compares in Southend-on-Sea

Side Extension (82 decided)

84.1%

Southend-on-Sea all applications (587 decided)

79.4%

Planning a side extension in Southend-on-Sea?

84.1% 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 Southend-on-Sea Pro Report — £79

Less than one set of revised drawings.