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
29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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.
Church Lane Old Hatfield AL9 5AR
Received 24 Oct 202247 Lockley Crescent Hatfield AL10 0TL
Received 8 Jul 20195 Daffodil Close Hatfield AL10 9FF
Received 14 Mar 201784 Pine Grove Brookmans Park Hatfield AL9 7BW
Received 21 Apr 201716 Wood View Cuffley Potters Bar EN6 4RE
Received 9 Mar 202370 The Meadway Cuffley EN6 4ES
Received 3 Apr 2024Nast Hyde Barns Wilkins Green Lane Hatfield AL10 9RF
Received 29 Jun 201515 Barfolds Welham Green Hatfield AL9 7NG
Received 1 Jun 20043 Little Dell, Welwyn Garden City, AL8 7HZ
Received 12 Nov 20084 Juniper Gardens Welwyn AL6 0XH
Received 10 Sept 20146 Brockett Close Welwyn Garden City AL8 7BN
Received 2 Sept 20257 Handside Green Welwyn Garden City AL8 6SQ
Received 30 Sept 2024The Holdings, Cole Green Lane, Welwyn Garden City, AL7 4AL
Received 18 Oct 2021Co-Operative Retail Services Ltd, Unit 1, Bishops Rise, Hatfield, AL10 9HE
Received 11 Sept 201433 Northaw Road East Cuffley Potters Bar EN6 4LU
Received 2 Jul 202110 Homewood Avenue, Cuffley, Potters Bar, EN6 4QG
Received 23 May 2017Morgan Smith Unit 2 126 Great North Road Hatfield AL9 5JN
Received 19 Mar 2014125 Handside Lane Welwyn Garden City AL8 6TA
Received 17 Aug 2021Our Lady Catholic Primary School Woodhall Lane Welwyn Garden City AL7 3TF
Received 3 Jun 202616 Selwyn Drive Hatfield AL10 9NJ
Received 2 Dec 20192 Lytton Gardens Welwyn Garden City AL8 6EG
Received 9 Apr 201811 Aldock Welwyn Garden City AL7 4QF
Received 24 Jun 20226 LEEFE WAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4DF
Received 25 Apr 2008129 Peplins Way Brookmans Park Hatfield AL9 7UT
Received 2 Mar 2015Records 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