Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
England · Local authority
PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website
28,849 approved · 4,801 refused · 2,206 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 Oct 2026. Counts reflect the last collected status; some records may be out of date.
Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.
Interactive planning map loads with JavaScript. Dataset sources are linked below.
Download Article 4 coverage for all authorities (CSV)
Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.
Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.
1 High Grove Welwyn Garden City AL8 7DW
Received 23 Sept 201962 Parkway Welwyn Garden City AL8 6HH
Received 10 Jun 20159 Oak Piece Welwyn AL6 0XE
Received 13 Sept 201623 Russellcroft Road, Welwyn Garden City, AL8 6QX
Received 2 Oct 20143 Scotts View Welwyn Garden City AL8 6HF
Received 19 Mar 202114 Town Centre Hatfield AL10 0JZ
Received 2 Feb 202611 FROWICK CLOSE, WELHAM GREEN, HATFIELD, HERTFORDSHIRE, AL9 7LS
Received 6 Oct 2008Plot 5100, Mosquito Way, Hatfield Business Park, Hatfield, AL10 9WN
Received 11 Mar 20196 Hillside Hatfield AL10 8HQ
Received 29 May 202050 Uplands, Welwyn Garden City, AL8 7EW
Received 12 Dec 20139 Ashley Close Welwyn Garden City AL8 7LH
Received 9 Oct 2018Land off London Road Woolmer Green SG3 6JZ
Received 27 Jan 2026Station Master's House 15 Harmer Green Lane Digswell Welwyn AL6 0AS
Received 6 Oct 20165 Coneydale Welwyn Garden City AL8 7RX
Received 29 Aug 2024The Pheasantry 3 Home Farm Road Hatfield AL9 7TP
Received 18 Sept 202022 Turmore Dale, Welwyn Garden City, AL8 6HS
Received 17 Oct 20166 Marsden Road Welwyn Garden City AL8 6XZ
Received 21 Aug 2026UNIT 10 QUADRANT PARK, MUNDELLS, WELWYN GARDEN CITY, HERTS, AL7
Received 21 Feb 200811 Meadow Green Welwyn Garden City AL8 6SS
Received 17 May 200662 Parkway Welwyn Garden City AL8 6HH
Received 20 Jan 20208 Whitefield House Cecil Crescent Hatfield AL10 0JA
Received 10 Oct 201353 Roe Green Close Hatfield AL10 9PF
Received 20 Nov 201761 Crossway Welwyn Garden City AL8 7ED
Received 24 Feb 202525 Digswell Road Welwyn Garden City AL8 7PB
Received 1 Jul 2019Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
View all applicationsArea alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.
Set up an area alertStart with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.
How to search planning applications
Understanding planning · 13 min read
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

Understanding planning · 13 min read
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

Property research · 13 min read
Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.
These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.
The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.
Check collection coverage