Side Extension approval rate in Basildon
Basildon approved 88.9% of side extension applications, based on 144 decisions analysed.
Last updated: September 2026
88.9%
side extension approval rate
144
Side Extension decisions
128
Approved
16
Refused
86.5%
Basildon overall
Side Extension applications are approved more often than the Basildon average (86.5%), suggesting the council is relatively receptive to these projects.
How side extension compares in Basildon
Side Extension
88.9%
Basildon all applications
86.5%
Planning a side extension in Basildon?
88.9% 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
90.5%
85.9%
84.0%
79.2%
89.5%
85.9%
91.7%
84.7%
97.4%
82.1%
96.2%
76.2%
75.0%