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Side Extension approval rate in North Northamptonshire

North Northamptonshire approved 90.7% of side extension applications, based on 396 decisions analysed.

Last updated: August 2026

90.7%
side extension approval rate
396
Side Extension decisions
359
Approved
37
Refused
93.8%
North Northamptonshire overall

Side Extension applications are refused more often than the North Northamptonshire average (93.8%), suggesting the council scrutinises these projects more closely.

How side extension compares in North Northamptonshire

Side Extension (396 decided)
90.7%
North Northamptonshire all applications (5,317 decided)
93.8%

Planning a side extension in North Northamptonshire?

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Other project types in North Northamptonshire

Rear Extension (688 decided)
93.6%
Garage / Parking (666 decided)
90.7%
Extension (General) (327 decided)
94.5%
Outbuilding (196 decided)
90.8%
87.4%
Conservatory (146 decided)
96.6%
Front Extension (110 decided)
94.5%
Dormer (103 decided)
85.4%
New Build (98 decided)
85.7%
88.9%
Loft Conversion (52 decided)
88.5%
Annex (44 decided)
84.1%
HMO (22 decided)
90.9%
Basement (10 decided)
90.0%
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