Data-backed planning intelligence · 2,500,000+ decisions analysed across England

Rear Extension Approval Rates in West Oxfordshire

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 914 real decisions tell us about rear extension outcomes in West Oxfordshire.

914 real decisions·January 2020 to present·Updated March 2026
95.6%
Approval Rate
914
Decisions
874
Approved
40
Refused
95.6% approved. But 40 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.

Rear Extension approval rate by ward

#WardDecisionsApprovedRate
1Stonesfield and Tackley66
100.0%
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These are council averages. Your property is specific.

Two houses on the same street can get different outcomes.
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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 West Oxfordshire.

TypeDecisionsRate
Wraparound Extension56
100.0%
Conservatory220
97.7%
Basement26
96.2%
Front Extension158
96.2%
Side Extension431
96.1%
Dormer274
96.0%
Rear Extension914
95.6%
Outbuilding502
95.2%
Extension (General)575
95.1%
Loft Conversion84
94.0%
Garage / Parking1,021
91.2%
Annex97
90.7%
Change of Use (Residential)220
86.8%
New Build445
84.3%
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What the data tells us

1
95.6% of rear extension applications in West Oxfordshire get approved. That means 40 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

40 rear extension applications in West Oxfordshire 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 West Oxfordshire planning data

Nearby councils rear extension data

Methodology: Based on 914 planning decisions classified as rear extensions in West Oxfordshire, 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 West Oxfordshire Council's public planning portal. Full methodology →
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