Data-backed planning intelligence · 3,780,000+ decisions analysed across England

Rear Extension Approval Rates in Erewash

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 813 real decisions tell us about rear extension outcomes in Erewash.

813 real decisions·January 2020 to August 2026·Updated August 2026
97.5%
Approval Rate
813
Decisions
793
Approved
20
Refused
97.5% approved. But 20 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.

Check Planning Approval Patterns in Erewash

See your ward's approval rate and nearby planning decisions — free and instant.

Check My Postcode

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.

Check My Postcode

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 Erewash.

TypeDecisionsRate
Front Extension181
98.3%
Conservatory138
97.8%
Side Extension520
97.7%
Rear Extension813
97.5%
Annex33
97.0%
Wraparound Extension99
94.9%
Garage / Parking632
94.3%
Outbuilding155
93.5%
Loft Conversion88
92.0%
Hip-to-Gable Conversion25
92.0%
Extension (General)251
90.8%
Dormer176
89.8%
New Build180
85.6%
Change of Use (Residential)219
81.3%
HMO56
58.9%
See how this applies to your postcode →

What the data tells us

1
97.5% of rear extension applications in Erewash get approved. That means 20 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

20 rear extension applications in Erewash 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.

Check my postcode
Free · Property report emailed in minutes · Based on 3,780,000+ real decisions

More Erewash planning data

Methodology: Based on 813 planning decisions classified as rear extensions in Erewash, January 2020 to August 2026. 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 Erewash Council's public planning portal. Full methodology →
Check planning approval patterns in Erewash — Free