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Rear Extension Approval Rates in Basingstoke & Deane

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,874 real decisions tell us about rear extension outcomes in Basingstoke & Deane.

1,874 real decisions·January 2020 to present·Updated June 2026
96.2%
Approval Rate
1,874
Decisions
1,802
Approved
72
Refused
96.2% approved. But 72 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.

Ward gap in Basingstoke & Deane: Evingar approves 100.0% of rear extension applications while Tadley & Pamber sits at 80.0%. That 20.0% gap means your postcode is one of the strongest indicators of outcome.

Rear Extension approval rate by ward

#WardDecisionsApprovedRate
1Evingar55
100.0%
2Kempshott & Buckskin55
100.0%
3Tadley & Pamber54
80.0%
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These are council averages. Your property is specific.

A rear extension has a 100.0% approval rate in Evingar but just 80.0% in Tadley & Pamber.
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 Basingstoke & Deane.

TypeDecisionsRate
Conservatory407
97.8%
Annex162
96.9%
Rear Extension1,874
96.2%
Front Extension432
96.1%
Loft Conversion140
95.0%
Dormer432
94.9%
Side Extension1,104
94.7%
Outbuilding855
94.2%
Extension (General)584
93.5%
Wraparound Extension176
92.0%
Garage / Parking2,161
90.8%
Change of Use (Residential)533
84.8%
New Build994
83.4%
HMO26
42.3%
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What the data tells us

1
96.2% of rear extension applications in Basingstoke & Deane get approved. That means 72 homeowners since 2020 have been refused. Not terrible odds, but not a foregone conclusion.
2
Your ward matters more than you think. The 20.0% gap between Evingar (100.0%) and Tadley & Pamber (80.0%) means your postcode is one of the strongest indicators of outcome.
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

72 rear extension applications in Basingstoke & Deane 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 3,290,000+ real decisions

More Basingstoke & Deane planning data

Nearby councils rear extension data

Methodology: Based on 1,874 planning decisions classified as rear extensions in Basingstoke & Deane, 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 Basingstoke & Deane Council's public planning portal. Full methodology →
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