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
28,878 approved · 4,801 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 4 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 Counts reflect the last collected status; some records may be out of date.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.
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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.
9 HANDSIDE CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SR
Received 31 Jul 200910 High View Hatfield AL10 8HZ
Received 18 Apr 20192 The Links, Welwyn Garden City, AL8 7DS
Received 15 Jun 201690 Valley Road Welwyn Garden City AL8 7DP
Received 26 Aug 202037 The Grove, Brookmans Park, Hatfield, AL9 7RL
Received 16 Jul 2018Land off Comet Way Hatfield AL10 9NG
Received 27 Aug 201568 Attimore Road, Welwyn Garden City, AL8 6LP
Received 20 Apr 200439 Thistle Grove Welwyn Garden City AL7 4AD
Received 23 Aug 2008204 Knightsfield, Welwyn Garden City, AL8 7RQ
Received 23 Oct 20138 MANOR ROAD, HATFIELD, HERTFORDSHIRE, AL10 9LN
Received 26 May 20091 Station Road Welham Green Hatfield AL9 7PN
Received 23 Mar 20042 Mill Green Lodge, Mill Green, Bush Hall Lane, Hatfield, AL9 5PA
Received 1 Jan 1980Foxwood Tylers Causeway Newgate Street Hertford SG13 8QN
Received 20 Mar 2026170 Crawford Road Hatfield AL10 0PA
Received 17 May 20162 Mardley Wood Welwyn AL6 0UX
Received 4 Jun 201371 Digswell Park Road, Welwyn Garden City, AL8 7NW
Received 6 Sept 20074 Vigors Croft Hatfield AL10 9HD
Received 6 Dec 2018Diocesan Education Centre Hall Grove Welwyn Garden City AL7 4PJ
Received 7 Oct 20196 St Audreys Close Hatfield AL10 8UW
Received 6 Oct 2026121 Moffats Lane Brookmans Park AL9 7RP
Received 8 Jan 2025103 Attimore Road Welwyn Garden City AL8 6LG
Received 4 Feb 2025183 Howlands Welwyn Garden City AL7 4RL
Received 13 Jul 202649 Osborne Road Little Heath Potters Bar EN6 1SB
Received 20 Oct 202277 THE RYDE, HATFIELD, HERTFORDSHIRE, AL9 5DN
Received 11 May 2009Records 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