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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
28 Harmer Green Lane Digswell Welwyn AL6 0AT
Received 14 Jun 2004Queenswood School, Shepherds Way, Brookmans Park, Hatfield, AL9 6NS
Received 11 Jan 201692 Pentley Park, WELWYN GARDEN CITY, AL8 7SG
Received 13 May 2013MFI Furniture Centres Limited, Black Fan Road, Welwyn Garden City, AL7 1QA
Received 1 Jan 198825 Willow Way Hatfield AL10 9QD
Received 13 Feb 202516 Melbourne Court, Welwyn Garden City, AL8 6LL
Received 12 Aug 201610 Ground Lane Hatfield AL10 0HH
Received 20 Jul 2021Woodlands Well Road Northaw Potters Bar EN6 4BN
Received 26 Oct 202664 Bushey Ley Welwyn Garden City AL7 3HN
Received 23 Jan 202014 Hanyards Lane Cuffley Potters Bar EN6 4AT
Received 18 Nov 202512 Homestead Road Hatfield AL10 0QL
Received 28 Dec 202370 Thistle Grove Welwyn Garden City AL7 4AQ
Received 7 Jan 201918 Fordwich Road Welwyn Garden City AL8 6EY
Received 10 Feb 2025Morrisons Supermarket 40 Black Fan Road Welwyn Garden City AL7 1RY
Received 6 Nov 202454 Hawbush Rise Welwyn AL6 9PP
Received 1 Mar 202288 Handside Lane, Welwyn Garden City, AL8 6SJ
Received 26 Jun 201341 The Ridgeway Cuffley Potters Bar EN6 4BD
Received 18 Jan 20227A & 8 Wendover Lodge Church Street Welwyn AL6 9LR
Received 10 Jul 200889 Attimore Road, Welwyn Garden City, AL8 6LG
Received 26 Nov 2007155 Parkway, Welwyn Garden City, AL8 6JA
Received 21 Oct 201438 Barnfield Road Welwyn Garden City AL7 3TQ
Received 15 Sept 202568 The Meadway Cuffley Potters Bar EN6 4ES
Received 14 Aug 2017Land to North East of Welwyn Garden City Panshanger AL7 2QJ
Received 4 Sept 202512 Woodgate Avenue Northaw Potters Bar EN6 4EW
Received 23 Apr 2024Records 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