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

Rear Extension Approval Rates in Redcar and Cleveland

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,274 real decisions tell us about rear extension outcomes in Redcar and Cleveland.

1,274 real decisions·January 2020 to August 2026·Updated August 2026
95.2%
Approval Rate
1,274
Decisions
1,213
Approved
61
Refused
95.2% approved. But 61 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 Redcar and Cleveland

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 Redcar and Cleveland.

TypeDecisionsRate
Basement21
100.0%
Flat Conversion103
97.1%
Wraparound Extension99
97.0%
Front Extension207
96.6%
Conservatory694
95.8%
Side Extension759
95.3%
Rear Extension1,274
95.2%
Annex42
95.2%
Outbuilding320
94.4%
Extension (General)2,257
93.9%
Garage / Parking1,967
93.2%
Change of Use (Residential)905
91.9%
Dormer714
91.3%
New Build163
90.8%
HMO30
90.0%
Loft Conversion104
87.5%
See how this applies to your postcode →

What the data tells us

1
95.2% of rear extension applications in Redcar and Cleveland get approved. That means 61 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

61 rear extension applications in Redcar and Cleveland 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 Redcar and Cleveland planning data

Methodology: Based on 1,274 planning decisions classified as rear extensions in Redcar and Cleveland, 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 Redcar and Cleveland Council's public planning portal. Full methodology →
Check planning approval patterns in Redcar and Cleveland — Free