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Rear Extension Approval Rates in Hartlepool

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 467 real decisions tell us about rear extension outcomes in Hartlepool.

467 real decisions·January 2020 to present·Updated June 2026
97.0%
Approval Rate
467
Decisions
453
Approved
14
Refused
97.0% approved. But 14 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
1Unknown6161
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 Hartlepool.

TypeDecisionsRate
Basement23
100.0%
Flat Conversion21
100.0%
Loft Conversion27
100.0%
Conservatory121
99.2%
Front Extension71
97.2%
Rear Extension467
97.0%
Extension (General)642
96.6%
Garage / Parking673
96.1%
Side Extension261
95.8%
Wraparound Extension41
95.1%
Outbuilding126
94.4%
Annex36
94.4%
New Build404
94.3%
Change of Use (Residential)341
93.8%
Dormer111
93.7%
HMO37
83.8%
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What the data tells us

1
97.0% of rear extension applications in Hartlepool get approved. That means 14 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

14 rear extension applications in Hartlepool 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 Hartlepool planning data

Methodology: Based on 467 planning decisions classified as rear extensions in Hartlepool, 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 Hartlepool Council's public planning portal. Full methodology →
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