Side Extension approval rate in Dartford
Dartford approved 88.7% of side extension applications, based on 1,044 decisions analysed.
Last updated: September 2026
88.7%
side extension approval rate
1,044
Side Extension decisions
926
Approved
118
Refused
83.2%
Dartford overall
Side Extension applications are approved more often than the Dartford average (83.2%), suggesting the council is relatively receptive to these projects.
How side extension compares in Dartford
Side Extension
88.7%
Dartford all applications
83.2%
Planning a side extension in Dartford?
88.7% get approved, but the odds vary by street. Your Full Planning Analysis 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
Free planning check for Dartford →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Dartford and any other published UK council — see the data services →
Other project types in Dartford
87.9%
87.1%
87.3%
85.5%
90.2%
93.0%
85.7%
89.8%
85.8%
92.5%
85.8%
88.3%
85.4%
66.7%
67.7%