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Other extension approval rate in Middlesbrough

Middlesbrough approved 92.7% of other extension applications, based on 6,095 decisions analysed.

Last updated: October 2026

92.7%
other extension approval rate
6,095
Other extension decisions
5,651
Approved
444
Refused
92.0%
Middlesbrough overall

Other extension applications are approved at roughly the same rate as the Middlesbrough average (92.0%).

How other extension applications compare in Middlesbrough

Other extension (6,095 decided)
92.7%
Middlesbrough all applications (15,761 decided)
92.0%

Before you apply in Middlesbrough

This page shows the council-wide rate. The free check shows decisions near your property.

✓ Your ward's other extension approval rate
✓ Nearest comparable other extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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Other project types in Middlesbrough

Garage and parking (2,542 decided)
91.1%
Conservatory (1,727 decided)
97.4%
86.0%
New build (737 decided)
85.3%
Dormer (672 decided)
83.6%
Rear extension (548 decided)
90.1%
Side extension (376 decided)
89.6%
Outbuilding (266 decided)
92.5%
Flat conversion (182 decided)
83.0%
HMO (145 decided)
78.6%
Loft conversion (84 decided)
89.3%
Annex (61 decided)
80.3%
Front extension (59 decided)
84.7%
84.0%
Basement (17 decided)
94.1%
53.8%
Check planning approval patterns