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
28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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.
Land at, Whitehill, Welwyn
Received 1 Jan 19988 Meadow Green Welwyn Garden City AL8 6SS
Received 16 Sept 2021143 Howlands Welwyn Garden City AL7 4RL
Received 20 Mar 2017Land North East of Welwyn Garden City Panshanger Welwyn Garden City AL7 2QJ
Received 6 Jun 202511 Thumbswood Welwyn Garden City AL7 4QE
Received 23 Nov 20208-14 Digswell Lodge Welwyn Garden City AL8 7NU
Received 7 Jun 202215 Great North Road Brookmans Park Hatfield AL9 6LB
Received 8 Aug 20084 Barleycroft Green Welwyn Garden City AL8 6JY
Received 1 Sept 202237 The Ridgeway Cuffley Potters Bar EN6 4BB
Received 14 Jun 20218 Attimore Close Welwyn Garden City AL8 6LN
Received 31 Oct 202241 The Avenue Welwyn AL6 0PW
Received 10 Dec 20213 Youngs Rise Welwyn Garden City AL8 6RT
Received 14 Jul 201713 MANDEVILLE RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JT
Received 14 Sept 2009115 Dixons Hill Road Welham Green Hatfield AL9 7EE
Received 28 Jul 202549 Valley Road Welwyn Garden City AL8 7DH
Received 1 Oct 202623A The Ridgeway Cuffley Potters Bar EN6 4BB
Received 26 Oct 2020Land adjacent to 17 Bracken Lane and rear of 10 & 12 Oaklands Rise Welwyn AL6 0RB
Received 1 Oct 200490 Handside Lane Welwyn Garden City AL8 6SN
Received 11 Jul 201928 Bell Lane, Brookmans Park, Hatfield, AL9 7AY
Received 1 Apr 201412 Little Burrow Welwyn Garden City AL7 4SW
Received 26 Jun 202619 Elmoor Avenue Welwyn AL6 9PG
Received 15 Dec 202512 Hyde Valley, Welwyn Garden City, AL7 4NA
Received 13 Apr 20162 Hare Lane Hatfield AL10 8PP
Received 20 Oct 201540 Dellsome Lane Welham Green Hatfield AL9 7ND
Received 1 Sept 2025Records 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