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Rear Extension Approval Rates in Newcastle upon Tyne

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 304 real decisions tell us about rear extension outcomes in Newcastle upon Tyne.

304 real decisions·January 2020 to present·Updated June 2026
96.4%
Approval Rate
304
Decisions
293
Approved
11
Refused
96.4% approved. But 11 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 Newcastle upon Tyne.

TypeDecisionsRate
Wraparound Extension44
100.0%
Basement119
97.5%
Side Extension201
97.5%
Conservatory291
96.9%
Rear Extension304
96.4%
Garage / Parking1,409
94.6%
Extension (General)3,080
94.3%
Outbuilding190
94.2%
Loft Conversion314
92.0%
Hip-to-Gable Conversion86
90.7%
Front Extension34
88.2%
New Build695
88.1%
Dormer615
87.0%
Flat Conversion20
85.0%
HMO253
84.6%
Change of Use (Residential)782
84.4%
See how this applies to your postcode →

What the data tells us

1
96.4% of rear extension applications in Newcastle upon Tyne get approved. That means 11 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

11 rear extension applications in Newcastle upon Tyne 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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More Newcastle upon Tyne planning data

Nearby councils rear extension data

Methodology: Based on 304 planning decisions classified as rear extensions in Newcastle upon Tyne, 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 Newcastle upon Tyne Council's public planning portal. Full methodology →
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