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Rear Extension Approval Rates in East Lindsey

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 90 real decisions tell us about rear extension outcomes in East Lindsey.

90 real decisions·January 2020 to present·Updated May 2026
97.8%
Approval Rate
90
Decisions
88
Approved
2
Refused
97.8% approved. But 2 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 East Lindsey.

TypeDecisionsRate
Conservatory99
99.0%
Extension (General)1,810
97.8%
Rear Extension90
97.8%
Side Extension40
97.5%
Outbuilding828
95.8%
Annex185
95.7%
Garage / Parking1,287
94.6%
Change of Use (Residential)1,020
94.1%
Dormer61
93.4%
New Build1,146
90.1%
See how this applies to your postcode →

What the data tells us

1
97.8% of rear extension applications in East Lindsey get approved. That means 2 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

2 rear extension applications in East Lindsey 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 2,650,000+ real decisions

More East Lindsey planning data

Methodology: Based on 90 planning decisions classified as rear extensions in East Lindsey, 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 East Lindsey Council's public planning portal. Full methodology →
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