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Rear Extension Approval Rates in Hambleton

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 140 real decisions tell us about rear extension outcomes in Hambleton.

140 real decisions·January 2020 to present·Updated March 2026
99.3%
Approval Rate
140
Decisions
139
Approved
1
Refused
99.3% approved. But 1 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 Hambleton.

TypeDecisionsRate
Side Extension60
100.0%
Annex24
100.0%
Rear Extension140
99.3%
Conservatory65
98.5%
Garage / Parking344
97.4%
Outbuilding136
97.1%
Extension (General)577
96.4%
Change of Use (Residential)109
92.7%
New Build49
91.8%
Dormer50
90.0%
See how this applies to your postcode →

What the data tells us

1
99.3% of rear extension applications in Hambleton get approved. That means 1 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

1 rear extension applications in Hambleton 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 Hambleton planning data

Methodology: Based on 140 planning decisions classified as rear extensions in Hambleton, 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 Hambleton Council's public planning portal. Full methodology →
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