Side Extension approval rate in Basildon
Basildon approved 88.7% of side extension applications, based on 141 decisions analysed.
Last updated: September 2026
88.7%
side extension approval rate
141
Side Extension decisions
125
Approved
16
Refused
89.8%
Basildon overall
Side Extension applications are approved at roughly the same rate as the Basildon average (89.8%).
How side extension compares in Basildon
Side Extension
88.7%
Basildon all applications
89.8%
Planning a side extension in Basildon?
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 Basildon →
✓ 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 Basildon and any other published UK council — see the data services →
Other project types in Basildon
89.9%
86.0%
83.1%
89.9%
78.1%
84.7%
84.3%
91.3%
97.2%
80.8%
95.8%
75.0%
75.0%