Data-backed planning intelligence · 2,550,000+ decisions analysed across England, Scotland and Wales

Rear Extension approval rate in Runnymede

Runnymede approved 87.6% of rear extension applications, based on 3,487 decisions analysed.

Last updated: April 2026

87.6%
rear extension approval rate
3,487
Rear Extension decisions
3,055
Approved
432
Refused
87.2%
Runnymede overall

Rear Extension applications are approved at roughly the same rate as the Runnymede average (87.2%).

How rear extension compares in Runnymede

Rear Extension (3,487 decided)
87.6%
Runnymede all applications (13,387 decided)
87.2%

Planning a rear extension in Runnymede?

87.6% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Get Runnymede Pro Report — £79

Less than one set of revised drawings.

Other project types in Runnymede

Garage / Parking (2,854 decided)
87.2%
Side Extension (1,785 decided)
90.8%
Dormer (1,276 decided)
86.1%
Outbuilding (1,092 decided)
87.0%
New Build (951 decided)
83.8%
Loft Conversion (681 decided)
87.5%
Extension (General) (661 decided)
85.3%
71.5%
Front Extension (584 decided)
90.6%
Conservatory (519 decided)
92.3%
Basement (447 decided)
94.2%
Wraparound Extension (407 decided)
92.4%
88.5%
Annex (106 decided)
85.8%
Flat Conversion (74 decided)
70.3%
HMO (39 decided)
56.4%
Check planning approval patterns — Free