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Rear Extension Approval Rates in Maidstone

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 228 real decisions tell us about rear extension outcomes in Maidstone.

228 real decisions·January 2020 to present·Updated June 2026
84.6%
Approval Rate
228
Decisions
193
Approved
35
Refused
84.6% approved. But 35 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
1Bearsted And Downswood55
100.0%
2Loose And Linton55
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 Maidstone.

TypeDecisionsRate
Front Extension40
92.5%
Side Extension113
89.4%
Loft Conversion54
87.0%
Conservatory67
86.6%
Rear Extension228
84.6%
Dormer87
83.9%
Outbuilding97
82.5%
Annex42
78.6%
Change of Use (Residential)131
75.6%
Garage / Parking267
74.5%
Extension (General)46
73.9%
New Build105
66.7%
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What the data tells us

1
84.6% of rear extension applications in Maidstone get approved. That means 35 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

35 rear extension applications in Maidstone 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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More Maidstone planning data

Nearby councils rear extension data

Methodology: Based on 228 planning decisions classified as rear extensions in Maidstone, 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 Maidstone Council's public planning portal. Full methodology →
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