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Rear Extension Approval Rates in Medway

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,091 real decisions tell us about rear extension outcomes in Medway.

1,091 real decisions·January 2020 to present·Updated March 2026
91.2%
Approval Rate
1,091
Decisions
995
Approved
96
Refused
91.2% approved. But 96 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
1Strood North & Frindsbury55
100.0%
2Watling55
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 Medway.

TypeDecisionsRate
Conservatory648
93.7%
Loft Conversion385
93.5%
Hip-to-Gable Conversion168
93.5%
Front Extension202
93.1%
Rear Extension1,091
91.2%
Wraparound Extension87
90.8%
Dormer1,192
90.4%
Side Extension719
89.6%
Basement112
89.3%
Outbuilding589
87.1%
Extension (General)1,849
86.4%
Garage / Parking2,210
84.3%
Change of Use (Residential)793
83.4%
New Build46
82.6%
Annex180
81.1%
Flat Conversion72
80.6%
HMO219
79.9%
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What the data tells us

1
91.2% of rear extension applications in Medway get approved. That means 96 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

96 rear extension applications in Medway 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 Medway planning data

Nearby councils rear extension data

Methodology: Based on 1,091 planning decisions classified as rear extensions in Medway, 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 Medway Council's public planning portal. Full methodology →
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