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Rear Extension Approval Rates in North East Derbyshire

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,103 real decisions tell us about rear extension outcomes in North East Derbyshire.

1,103 real decisions·January 2020 to present·Updated March 2026
96.3%
Approval Rate
1,103
Decisions
1,062
Approved
41
Refused
96.3% approved. But 41 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
1Wingerworth Ward66
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 North East Derbyshire.

TypeDecisionsRate
Conservatory183
97.8%
Rear Extension1,103
96.3%
Front Extension237
96.2%
Wraparound Extension148
95.3%
Side Extension839
94.9%
Dormer239
93.7%
Loft Conversion89
93.3%
Extension (General)569
92.4%
Annex73
91.8%
Basement22
90.9%
Garage / Parking1,164
90.3%
Outbuilding322
90.1%
Change of Use (Residential)376
81.6%
New Build211
81.5%
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What the data tells us

1
96.3% of rear extension applications in North East Derbyshire get approved. That means 41 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

41 rear extension applications in North East Derbyshire 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 North East Derbyshire planning data

Nearby councils rear extension data

Methodology: Based on 1,103 planning decisions classified as rear extensions in North East Derbyshire, 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 North East Derbyshire Council's public planning portal. Full methodology →
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