Annex approval rate in Middlesbrough
Middlesbrough approved 79.7% of annex applications, based on 59 decisions analysed.
Last updated: June 2026
79.7%
annex approval rate
59
Annex decisions
47
Approved
12
Refused
92.3%
Middlesbrough overall
Annex applications are refused more often than the Middlesbrough average (92.3%), suggesting the council scrutinises these projects more closely.
How annex compares in Middlesbrough
Annex
79.7%
Middlesbrough all applications
92.3%
Planning a annex in Middlesbrough?
79.7% 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 annex approval rate
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Middlesbrough →
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Middlesbrough
92.8%
91.0%
97.4%
85.2%
83.8%
90.3%
89.5%
92.4%
83.0%
78.9%
90.4%
84.7%
84.0%
94.1%
58.3%