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Rear Extension Approval Rates in Blaby

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 963 real decisions tell us about rear extension outcomes in Blaby.

963 real decisions·January 2020 to September 2026·Updated September 2026
98.3%
Approval Rate
963
Decisions
947
Approved
16
Refused
98.3% approved. But 16 refused since 2020. Each refusal cost the homeowner time and money on drawings and application fees. Understanding your local data before you apply is the difference between confidence and a costly gamble.

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Why rear extension approval rates matter

Rear extensions sit in the middle of the pack nationally. They're common enough that councils have clear precedent — but that cuts both ways. If your neighbours have been refused, that precedent works against you too.

These are council averages. Your property is specific.

Two houses on the same street can get different outcomes.
Check your postcode to see what actually happens near your address.

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How rear extensions compare to other project types

Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Blaby.

TypeDecisionsRate
Wraparound Extension189
100.0%
Side Extension685
98.5%
Rear Extension963
98.3%
Front Extension267
98.1%
Conservatory78
97.4%
Extension (General)145
94.5%
Loft Conversion64
93.8%
Dormer127
93.7%
Garage / Parking523
92.2%
Outbuilding162
90.7%
Annex54
90.7%
New Build148
78.4%
Change of Use (Residential)127
78.0%
See how this applies to your postcode →

What the data tells us

1
98.3% of rear extension applications in Blaby get approved. That means 16 homeowners since 2020 have been refused. Not terrible odds, but not a foregone conclusion.
3
Council averages are starting points, not guarantees. The decisions that matter most are the comparable ones near your specific property — because planning officers look at precedent, character and the immediate context of your street.

Before you spend £5,000+ on architects and drawings

16 rear extension applications in Blaby have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A free, property-specific report shows you what gets approved — and what gets refused — near your property.

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Free · Property report emailed in minutes · Based on 3,840,000+ real decisions

More Blaby planning data

Methodology: Based on 963 planning decisions classified as rear extensions in Blaby, January 2020 to September 2026. Classification uses keyword matching against proposal descriptions (matching generate_site_data.py rules). A single application may appear in multiple categories. Approval rate = approved / (approved + refused). Pending, withdrawn and invalid applications excluded. Data from Blaby Council's public planning portal. Full methodology →
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