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Rear Extension Approval Rates in Gosport

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 483 real decisions tell us about rear extension outcomes in Gosport.

483 real decisions·January 2020 to present·Updated March 2026
99.0%
Approval Rate
483
Decisions
478
Approved
5
Refused
99.0% approved. But 5 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 Gosport: Alverstoke approves 100.0% of rear extension applications while Elson sits at 88.9%. That 11.1% gap means your postcode is one of the strongest indicators of outcome.

Rear Extension approval rate by ward

#WardDecisionsApprovedRate
1Alverstoke1010
100.0%
2Peel Common55
100.0%
3Bridgemary77
100.0%
4Rowner And Holbrook77
100.0%
5Anglesey1010
100.0%
6Hardway66
100.0%
7Leesland And Newtown55
100.0%
8Elson98
88.9%
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These are council averages. Your property is specific.

A rear extension has a 100.0% approval rate in Alverstoke but just 88.9% in Elson.
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 Gosport.

TypeDecisionsRate
Rear Extension483
99.0%
Front Extension67
98.5%
Outbuilding46
97.8%
Side Extension195
97.4%
Conservatory37
97.3%
Annex28
96.4%
Garage / Parking144
95.1%
New Build91
93.4%
Change of Use (Residential)45
93.3%
Dormer67
89.6%
Extension (General)35
88.6%
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What the data tells us

1
99.0% of rear extension applications in Gosport get approved. That means 5 homeowners since 2020 have been refused. Not terrible odds, but not a foregone conclusion.
2
Your ward matters more than you think. The 11.1% gap between Alverstoke (100.0%) and Elson (88.9%) 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

5 rear extension applications in Gosport 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 Gosport planning data

Methodology: Based on 483 planning decisions classified as rear extensions in Gosport, 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 Gosport Council's public planning portal. Full methodology →
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