Data-backed planning intelligence · 2,650,000+ decisions analysed across England

Rear Extension Approval Rates in City of Edinburgh

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,630 real decisions tell us about rear extension outcomes in City of Edinburgh.

1,630 real decisions·January 2020 to present·Updated May 2026
95.6%
Approval Rate
1,630
Decisions
1,558
Approved
72
Refused
95.6% approved. But 72 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 City of Edinburgh.

TypeDecisionsRate
Wraparound Extension120
96.7%
Rear Extension1,630
95.6%
Side Extension757
94.8%
Conservatory1,160
94.8%
Extension (General)4,735
94.7%
Loft Conversion437
92.9%
Front Extension84
92.9%
Outbuilding1,210
92.7%
Basement853
92.6%
Dormer2,043
92.3%
Garage / Parking3,320
90.5%
Flat Conversion61
88.5%
Annex100
87.0%
HMO108
86.1%
New Build496
82.9%
Change of Use (Residential)2,647
69.9%
See how this applies to your postcode →

What the data tells us

1
95.6% of rear extension applications in City of Edinburgh get approved. That means 72 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

72 rear extension applications in City of Edinburgh 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 City of Edinburgh planning data

Methodology: Based on 1,630 planning decisions classified as rear extensions in City of Edinburgh, 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 City of Edinburgh Council's public planning portal. Full methodology →
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