Data-backed planning intelligence · 3,290,000+ decisions analysed across England

Rear Extension Approval Rates in Tewkesbury

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,331 real decisions tell us about rear extension outcomes in Tewkesbury.

1,331 real decisions·January 2020 to present·Updated June 2026
95.3%
Approval Rate
1,331
Decisions
1,269
Approved
62
Refused
95.3% approved. But 62 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
1Cleeve Hill55
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 Tewkesbury.

TypeDecisionsRate
Conservatory271
98.9%
Front Extension247
96.0%
Wraparound Extension212
95.8%
Rear Extension1,331
95.3%
Loft Conversion114
94.7%
Side Extension807
93.6%
Outbuilding466
91.8%
Garage / Parking1,135
90.7%
Annex105
90.5%
Extension (General)574
90.4%
Dormer322
88.8%
New Build433
85.5%
Change of Use (Residential)375
83.7%
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What the data tells us

1
95.3% of rear extension applications in Tewkesbury get approved. That means 62 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

62 rear extension applications in Tewkesbury 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 Tewkesbury planning data

Nearby councils rear extension data

Methodology: Based on 1,331 planning decisions classified as rear extensions in Tewkesbury, 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 Tewkesbury Council's public planning portal. Full methodology →
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