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Rear Extension Approval Rates in North Yorkshire

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 516 real decisions tell us about rear extension outcomes in North Yorkshire.

516 real decisions·January 2020 to September 2026·Updated September 2026
93.2%
Approval Rate
516
Decisions
481
Approved
35
Refused
93.2% approved. But 35 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 North Yorkshire.

TypeDecisionsRate
Front Extension60
96.7%
Dormer170
95.9%
Loft Conversion73
94.5%
Side Extension360
94.4%
Wraparound Extension50
94.0%
Conservatory99
93.9%
Rear Extension516
93.2%
Garage / Parking674
91.5%
Annex88
90.9%
Extension (General)418
90.0%
Outbuilding258
89.1%
Change of Use (Residential)250
88.0%
New Build205
82.9%
Basement33
81.8%
See how this applies to your postcode →

What the data tells us

1
93.2% of rear extension applications in North Yorkshire get approved. That means 35 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

35 rear extension applications in North Yorkshire 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 North Yorkshire planning data

Methodology: Based on 516 planning decisions classified as rear extensions in North Yorkshire, 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 North Yorkshire Council's public planning portal. Full methodology →
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