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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
24 Warwick Avenue Cuffley Potters Bar EN6 4RS
Received 26 Feb 202641 The Avenue Welwyn Hertfordshire AL6 0PW
Received 23 Jun 202259 PEPLINS WAY, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7UR
Received 9 Jul 2009Park Meadow Estate Hatfield AL9 5HE
Received 18 Feb 202616 Daniells, Welwyn Garden City, AL7 1PZ
Received 25 Feb 20165 Lodgefield, Welwyn Garden City, AL7 1SD
Received 26 Nov 201312 Bluebells Welwyn AL6 0XD
Received 1 Oct 20084 Turmore Dale Welwyn Garden City AL8 6HS
Received 28 May 202620 Mardley Hill Welwyn AL6 0TS
Received 30 Apr 200720 East Mead Welwyn Garden City AL7 4RR
Received 24 Mar 2023Accord House 28 Bridge Road East Welwyn Garden City AL7 1HX
Received 12 Nov 20189 Broadleaf Grove Welwyn Garden City AL8 7AZ
Received 11 Oct 2021Parkway Community Health Clinic, Birdcroft Road, WELWYN GARDEN CITY, AL8 6EH
Received 22 Apr 20131 Mill Green Lodge, Mill Green, Bush Hall Lane, Hatfield, AL9 5PA
Received 1 Jan 198715 Reeves Court Welwyn Hertfordshire AL6 9FU
Received 9 Mar 202233 Digswell Road, Welwyn Garden City, AL8 7PB
Received 20 Oct 201584 Handside Lane Welwyn Garden City AL8 6SJ
Received 24 Aug 201564 Handside Lane Welwyn Garden City AL8 6SJ
Received 6 Nov 202030 Bluebridge Avenue, Brookmans Park, Hatfield, AL9 7RZ
Received 7 Oct 201552 & 54 Bridge Road, Welwyn Garden City, AL8 6UR
Received 14 Nov 2014Land adjacent to 4 Coneydale Welwyn Garden City AL8 7RY
Received 6 Jun 2023Eastbridge Service Station Bridge Road East Welwyn Garden City AL7 1LE
Received 5 May 20215 Howicks Green Welwyn Garden City AL7 4RJ
Received 15 Jun 200439 Woodland Rise Welwyn Garden City AL8 7LJ
Received 21 Aug 2020Records 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