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Rear Extension Approval Rates in Rushmoor

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 891 real decisions tell us about rear extension outcomes in Rushmoor.

891 real decisions·January 2020 to present·Updated March 2026
97.3%
Approval Rate
891
Decisions
867
Approved
24
Refused
97.3% approved. But 24 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 Rushmoor: Rowhill approves 100.0% of rear extension applications while St Mark's sits at 83.3%. That 16.7% gap means your postcode is one of the strongest indicators of outcome.

Rear Extension approval rate by ward

#WardDecisionsApprovedRate
1Rowhill66
100.0%
2Cove And Southwood99
100.0%
3Knellwood99
100.0%
4Fernhill77
100.0%
5Manor Park76
85.7%
6St Mark's65
83.3%
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These are council averages. Your property is specific.

A rear extension has a 100.0% approval rate in Rowhill but just 83.3% in St Mark's.
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 Rushmoor.

TypeDecisionsRate
Hip-to-Gable Conversion25
100.0%
Front Extension197
98.5%
Wraparound Extension137
98.5%
Conservatory133
97.7%
Rear Extension891
97.3%
Side Extension509
96.9%
Extension (General)128
96.9%
Annex31
96.8%
Outbuilding159
95.6%
Dormer131
95.4%
Loft Conversion68
94.1%
Garage / Parking621
93.1%
New Build183
90.2%
Change of Use (Residential)183
88.5%
HMO29
82.8%
See how this applies to your postcode →

What the data tells us

1
97.3% of rear extension applications in Rushmoor get approved. That means 24 homeowners since 2020 have been refused. Not terrible odds, but not a foregone conclusion.
2
Your ward matters more than you think. The 16.7% gap between Rowhill (100.0%) and St Mark's (83.3%) 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

24 rear extension applications in Rushmoor 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 Rushmoor planning data

Nearby councils rear extension data

Methodology: Based on 891 planning decisions classified as rear extensions in Rushmoor, 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 Rushmoor Council's public planning portal. Full methodology →
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