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
28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 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 Counts reflect the last collected status; some records may be out of date.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.
143 Hollybush Lane Welwyn Garden City AL7 4JT
Received 17 Apr 20197 Strawmead Hatfield AL10 0JG
Received 23 Mar 201826 Little Ganett Welwyn Garden City AL7 3DG
Received 20 Feb 2019Land R/O 26 Great North Road
Received 22 May 201997 Pentley Park Welwyn Garden City AL8 7SL
Received 30 Jul 20242D Plough Hill Cuffley Potters Bar EN6 4DR
Received 8 Nov 202120 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 30 Jun 202627 Woodland Rise Welwyn Garden City AL8 7LJ
Received 27 Sept 20191 Dewars Close Welwyn AL6 9RR
Received 4 Jul 202362 Attimore Road Welwyn Garden City AL8 6LP
Received 5 Apr 201941 Longcroft Lane Welwyn Garden City AL8 6EB
Received 10 Jul 201979 Longcroft Lane, Welwyn Garden City, AL8 6EL
Received 1 Aug 2016329 ST ALBANS ROAD WEST, HATFIELD, HERTFORDSHIRE, AL10 9RJ
Received 27 Jun 200820 Black Fan Road Welwyn Garden City AL7 1QA
Received 19 Nov 201840 Astwick Avenue Hatfield AL10 9LA
Received 1 Nov 201846A Peplins Way Brookmans Park Hatfield AL9 7UU
Received 18 Apr 20172 Barlow Close Hatfield AL10 9GZ
Received 11 Jan 202329 The Ridgeway, Cuffley, Potters Bar, EN6 4BB
Received 31 Jul 201828 Mymms Drive, Brookmans Park, Hatfield, AL9 7AF
Received 24 Nov 201411 The Valley Green, Welwyn Garden City, AL8 7DQ
Received 20 Oct 2021Hill View Farm Northaw Road West Northaw Potters Bar EN6 4QY
Received 24 Jun 201911 Cherry Croft, WELWYN GARDEN CITY, AL8 7QU
Received 4 Feb 20131 Harmer Green Lane Digswell Welwyn AL6 0BA
Received 1 Oct 200835 Furzefield Road Welwyn Garden City AL7 3RL
Received 7 Aug 2017Records 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