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Rear Extension Approval Rates in Huntingdonshire

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 278 real decisions tell us about rear extension outcomes in Huntingdonshire.

278 real decisions·January 2020 to August 2026·Updated August 2026
92.8%
Approval Rate
278
Decisions
258
Approved
20
Refused
92.8% approved. But 20 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 Huntingdonshire.

TypeDecisionsRate
Conservatory201
97.5%
Side Extension132
96.2%
Front Extension43
95.3%
Extension (General)616
93.3%
Rear Extension278
92.8%
Outbuilding137
92.0%
Loft Conversion31
90.3%
Garage / Parking460
90.2%
Change of Use (Residential)84
89.3%
Dormer75
85.3%
New Build93
74.2%
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What the data tells us

1
92.8% of rear extension applications in Huntingdonshire get approved. That means 20 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

20 rear extension applications in Huntingdonshire 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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More Huntingdonshire planning data

Methodology: Based on 278 planning decisions classified as rear extensions in Huntingdonshire, January 2020 to August 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 Huntingdonshire Council's public planning portal. Full methodology →
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