Data-backed planning intelligence · 2,500,000+ decisions analysed across England

Rear Extension Approval Rates in South Holland

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 100 real decisions tell us about rear extension outcomes in South Holland.

100 real decisions·January 2020 to present·Updated March 2026
96.0%
Approval Rate
100
Decisions
96
Approved
4
Refused
96.0% approved. But 4 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
1Unknown3029
96.7%
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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 South Holland.

TypeDecisionsRate
Side Extension51
100.0%
Outbuilding38
97.4%
Rear Extension100
96.0%
Conservatory21
95.2%
Extension (General)132
93.9%
New Build78
89.7%
Garage / Parking127
89.0%
Change of Use (Residential)52
82.7%
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What the data tells us

1
96.0% of rear extension applications in South Holland get approved. That means 4 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

4 rear extension applications in South Holland 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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Free instant check · Pro Report £79 · Based on 2,500,000+ real decisions

More South Holland planning data

Methodology: Based on 100 planning decisions classified as rear extensions in South Holland, 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 South Holland Council's public planning portal. Full methodology →
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