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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 163 real decisions tell us about rear extension outcomes in Huntingdonshire.

163 real decisions·January 2020 to present·Updated March 2026
93.9%
Approval Rate
163
Decisions
153
Approved
10
Refused
93.9% approved. But 10 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
Front Extension22
100.0%
Side Extension68
98.5%
Conservatory171
98.2%
Outbuilding108
97.2%
Change of Use (Residential)34
94.1%
Extension (General)554
93.9%
Rear Extension163
93.9%
Garage / Parking320
92.5%
Dormer54
85.2%
New Build52
75.0%
See how this applies to your postcode →

What the data tells us

1
93.9% of rear extension applications in Huntingdonshire get approved. That means 10 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

10 rear extension applications in Huntingdonshire have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A £79 report shows you what gets approved — and what gets refused — near your property.

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More Huntingdonshire planning data

Methodology: Based on 163 planning decisions classified as rear extensions in Huntingdonshire, January 2020 to present. 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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