Side extension approval rate in Swansea

Name: Side extension planning approval rate in Swansea
Creator: PlanningLens
Published: 2026-10-23T20:37:40+00:00
License: https://creativecommons.org/licenses/by/4.0/

Swansea approved 80.6% of side extension applications, based on 526 decisions analysed.

Last updated: October 2026

80.6%

side extension approval rate

526

Side extension decisions

424

Approved

102

Refused

83.0%

Swansea overall

Side extension applications are refused more often than the Swansea average (83.0%).

How side extension applications compare in Swansea

Side extension (526 decided)

80.6%

Swansea all applications (2,511 decided)

83.0%

Before you apply in Swansea

This page shows the council-wide rate. The free check shows decisions 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

Free planning check for Swansea →

Planning professional? PlanningLens runs refusal alerts and evidence packs for Swansea and any other published UK council. See the data services →