Hertfordshire

North Hertfordshire planning data

8,130 planning applications from North Hertfordshire, available as JSON over REST or through the MCP server. 17 fields are populated on at least 90% of records.

8,130

Applications

Enforcement notices

9,302

Appeals

1978–2026

Date range

Field coverage

Measured across all 8,130 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`	8,130	100.0%
`description`	8,130	100.0%
`received_date`	8,130	100.0%
`reference`	8,130	100.0%
`ward`	8,129	100.0%
`alternative_reference`	8,125	99.9%
`application_type`	8,124	99.9%
`case_officer`	8,124	99.9%
`decision_level`	8,124	99.9%
`officer_id`	8,124	99.9%
`applicant_name`	8,099	99.6%
`appeal_decision`	8,046	99.0%
`status`	7,844	96.5%
`status_normalized`	7,844	96.5%
`decision`	7,627	93.8%
`decision_date`	7,623	93.8%
`postcode`	7,440	91.5%

Partial — use with care

Field	Populated	Coverage
`decision_normalized`	7,281	89.6%
`agent_company`	6,222	76.5%
`agent_email`	6,221	76.5%
`agent_id`	6,220	76.5%
`agent_name`	6,220	76.5%
`agent_phone`	6,088	74.9%
`standard_type`	5,391	66.3%

Rarely or never published

Field	Populated	Coverage
`property_id`	50	0.6%
`appeal_decision_normalized`	12	0.1%
`development_type`	0	0.0%
`easting`	0	0.0%
`northing`	0	0.0%
`officer_recommendation`	0	0.0%

Query it

curl -H "X-Api-Key: $KEY" \
  "https://ukplanningapi.co.uk/v1/applications?council_id=349&limit=5"

Council id for North Hertfordshire is 349. Full endpoint reference →

Get a key for North Hertfordshire data

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