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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 530 real decisions tell us about rear extension outcomes in Gosport.

530 real decisions·January 2020 to August 2026·Updated August 2026
98.7%
Approval Rate
530
Decisions
523
Approved
7
Refused
98.7% approved. But 7 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 Gosport.

TypeDecisionsRate
Rear Extension530
98.7%
Front Extension77
98.7%
Side Extension224
96.9%
Annex31
96.8%
Outbuilding60
96.7%
Conservatory41
95.1%
Garage / Parking179
92.2%
New Build114
92.1%
Dormer76
89.5%
Extension (General)46
89.1%
Change of Use (Residential)58
87.9%
See how this applies to your postcode →

What the data tells us

1
98.7% of rear extension applications in Gosport get approved. That means 7 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

7 rear extension applications in Gosport 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 3,780,000+ real decisions

More Gosport planning data

Methodology: Based on 530 planning decisions classified as rear extensions in Gosport, January 2020 to August 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 Gosport Council's public planning portal. Full methodology →
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