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Rear Extension Approval Rates in Dumfries & Galloway

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 107 real decisions tell us about rear extension outcomes in Dumfries & Galloway.

107 real decisions·January 2020 to present·Updated March 2026
98.1%
Approval Rate
107
Decisions
105
Approved
2
Refused
98.1% 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 Dumfries & Galloway.

TypeDecisionsRate
Conservatory212
100.0%
Basement28
100.0%
Extension (General)5,092
99.1%
Outbuilding1,100
98.1%
Rear Extension107
98.1%
Annex217
97.2%
Flat Conversion33
97.0%
Dormer406
96.6%
Garage / Parking2,444
96.5%
Change of Use (Residential)2,294
96.1%
New Build3,811
93.9%
See how this applies to your postcode →

What the data tells us

1
98.1% of rear extension applications in Dumfries & Galloway 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 Dumfries & Galloway 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 Dumfries & Galloway planning data

Nearby councils rear extension data

Methodology: Based on 107 planning decisions classified as rear extensions in Dumfries & Galloway, 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 Dumfries & Galloway Council's public planning portal. Full methodology →
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