Data-backed planning intelligence · 2,500,000+ decisions analysed across England, Scotland and Wales

Conservatory approval rate in Spelthorne

Spelthorne approved 90.4% of conservatory applications, based on 52 decisions analysed.

Last updated: March 2026

90.4%
conservatory approval rate
52
Conservatory decisions
47
Approved
5
Refused
90.5%
Spelthorne overall

Conservatory applications are approved at roughly the same rate as the Spelthorne average (90.5%).

How conservatory compares in Spelthorne

Conservatory (52 decided)
90.4%
Spelthorne all applications (717 decided)
90.5%

Planning a conservatory in Spelthorne?

90.4% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

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

Less than one set of revised drawings.

Other project types in Spelthorne

Rear Extension (296 decided)
88.2%
Garage / Parking (88 decided)
88.6%
Dormer (79 decided)
84.8%
Side Extension (65 decided)
95.4%
Loft Conversion (57 decided)
84.2%
82.5%
Outbuilding (32 decided)
93.8%
93.8%
Front Extension (15 decided)
93.3%
New Build (15 decided)
93.3%
Check planning approval patterns — Free