West London

Harrow planning data

5,565 planning applications from Harrow, available as JSON over REST or through the MCP server. 14 fields are populated on at least 90% of records.

5,565

Applications

—

Enforcement notices

1,817

Appeals

2023–2026

Date range

Field coverage

Measured across all 5,565 records. This is what is actually filled in, not what the council's portal offers — ask get_council_fields for the same numbers from an MCP client.

Reliable — 90% or more of records

Field	Populated	Coverage
`address`	5,565	100.0%
`application_type`	5,565	100.0%
`reference`	5,565	100.0%
`description`	5,562	99.9%
`ward`	5,544	99.6%
`received_date`	5,338	95.9%
`status`	5,336	95.9%
`status_normalized`	5,336	95.9%
`applicant_name`	5,326	95.7%
`case_officer`	5,323	95.7%
`officer_id`	5,323	95.7%
`postcode`	5,225	93.9%
`decision`	5,130	92.2%
`decision_normalized`	5,079	91.3%

Partial — use with care

Field	Populated	Coverage
`decision_date`	4,973	89.4%
`agent_id`	4,456	80.1%
`agent_name`	4,455	80.1%
`agent_company`	4,163	74.8%
`decision_level`	4,058	72.9%
`standard_type`	2,068	37.2%
`easting`	1,262	22.7%
`northing`	1,262	22.7%

Rarely or never published

Field	Populated	Coverage
`alternative_reference`	219	3.9%
`appeal_decision`	194	3.5%
`appeal_decision_normalized`	194	3.5%
`agent_email`	0	0.0%
`agent_phone`	0	0.0%
`development_type`	0	0.0%
`officer_recommendation`	0	0.0%
`property_id`	0	0.0%

Query it

curl -H "X-Api-Key: $KEY" \
  "https://ukplanningapi.co.uk/v1/applications?council_id=141&limit=5"

Council id for Harrow is 141. Full endpoint reference →

Get a key for Harrow data

500 requests a month, free. No card, no password.