Side Extension approval rate in Test Valley
Test Valley approved 94.9% of side extension applications, based on 393 decisions analysed.
Last updated: March 2026
94.9%
side extension approval rate
393
Side Extension decisions
373
Approved
20
Refused
91.2%
Test Valley overall
Side Extension applications are approved more often than the Test Valley average (91.2%), suggesting the council is relatively receptive to these projects.
How side extension compares in Test Valley
Side Extension
94.9%
Test Valley all applications
91.2%
Planning a side extension in Test Valley?
94.9% 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 Test Valley Pro Report — £79
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Test Valley
90.6%
94.2%
91.2%
91.8%
96.0%
79.7%
91.9%
95.6%
87.4%
93.1%
97.9%
86.4%