Data-backed planning intelligence · 3,840,000+ decisions analysed across England, Scotland, Wales and Northern Ireland
PlanningLens
Rankings Research Insights Examples Blog About Data & API
Home›St Helens›Most Common Applications

Most Common Planning Applications in St Helens

Approval rate withheld for St Helens. PlanningLens is temporarily withholding the headline approval rate for this council. Refusals appear materially undercaptured in the published record, so an approval rate computed from it would overstate approval. This does not mean the previously shown percentage has been proved wrong. No official statistic is substituted in its place. Approval, refusal and rate figures are shown as – throughout this page. Decision volumes are unaffected and are still published. Why we withhold a rate
313 real decisions·8 project types·Updated October 2026

Check Planning Approval Patterns in St Helens

See your ward's approval rate and nearby planning decisions. The check is free.

Check my postcode

All 8 project types, by number of decisions

TypeDecisions
Rear extension128
Garage and parking82
Side extension79
Change of use (residential)57
Dormer31
Conservatory30
Other extension26
Wraparound extension23
See how this applies to your postcode →

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

Before you spend £5,000+ on architects and drawings

See what actually gets approved near your property. Your free property report analyses nearby planning decisions, refusal patterns and success rates for your exact location.

Check my postcode
Free · Property report emailed in minutes · Based on 3,840,000+ real decisions

More St Helens planning data

All wards compared
Overall rate
–
Rear Extensions
128 decisions
–

Nearby councils project type rankings

Warrington
9,428 decisions
85.8%
Wigan
4,582 decisions
89.2%
Knowsley
3,589 decisions
94.9%
West Lancashire
4,015 decisions
–
Methodology: Classifies 313 decisions in St Helens into residential project types using keyword matching against proposal descriptions (matching generate_site_data.py subtype rules). A single application may appear in multiple categories. Data from St Helens Council's public planning portal, July 2010 to October 2026. Full methodology →
Check planning approval patterns in St Helens