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
28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
63 Carleton Rise Welwyn AL6 9RQ
Received 4 Aug 2009Mill Green Mill Green Lane Hatfield AL9 5NQ
Received 27 Feb 201767 Eddington Crescent Welwyn Garden City AL7 4SX
Received 25 Nov 201949 Marsden Green Welwyn Garden City AL8 6YD
Received 27 Jul 202023 Mandeville Rise Welwyn Garden City AL8 7JT
Received 24 Jun 2025Just House Coopers Lane Northaw Potters Bar EN6 4NJ
Received 26 Oct 20211 Walden Road Welwyn Garden City AL8 7PE
Received 21 Jan 2025145 Handside Lane, Welwyn Garden City, AL8 6TA
Received 19 Sept 20138 Meadow Green Welwyn Garden City AL8 6SS
Received 31 Aug 20215 Barleycroft Green Welwyn Garden City AL8 6JY
Received 10 Sept 202017 Heathcote Avenue Hatfield AL10 0RQ
Received 2 Sept 202596 Harmer Green Lane Digswell Welwyn AL6 0ES
Received 2 Feb 200620 Hall Grove Welwyn Garden City Hertfordshire AL7 4PH
Received 31 May 2022Ludwick Green Ludwick Way Welwyn Garden City AL7 3QN
Received 23 Oct 202522 Dellsome Lane Welham Green Hatfield AL9 7NF
Received 14 May 202051 Sherrardspark Road, WELWYN GARDEN CITY, AL8 7LD
Received 7 May 2013Falkland Press 148 Great North Road Hatfield AL9 5JN
Received 9 May 20138 Beehive Green Welwyn Garden City AL7 4BE
Received 16 Jun 20203 Park Road Northaw Potters Bar EN6 4NU
Received 18 Jul 202317 Wyton, Welwyn Garden City, AL7 2PE
Received 1 Jan 198813 Brockswood Lane, Welwyn Garden City, AL8 7BA
Received 24 May 201637 Bramble Road Hatfield AL10 9RZ
Received 23 May 20081-3 Newgate Street Village Hertford SG13 8RA
Received 13 Jan 2023Garage site off Hollyfield, Hatfield AL10 8LW
Received 11 May 2023Records 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