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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
139 The Vineyard, Welwyn Garden City, AL8 7PX
Received 18 Mar 201426 Pentley Park, Welwyn Garden City, AL8 7SB
Received 1 Aug 201420 CONEYDALE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RZ
Received 27 Oct 20088 High Road Essendon Hatfield AL9 6HW
Received 28 Mar 2023The Red Lion 88 Great North Road Hatfield AL9 5EU
Received 30 May 202311 Beehive Lane Welwyn Garden City AL7 4BB
Received 25 Jan 202110 Mandeville Rise Welwyn Garden City AL8 7JU
Received 1 Feb 202329 Turpins Ride Welwyn AL6 0QU
Received 23 Apr 2018Ayot Lodge Ayot Green Ayot St Peter Welwyn AL6 9AB
Received 5 Nov 200415 Rosecroft Lane Welwyn AL6 0UB
Received 27 Jan 2014155 Heronswood Road Welwyn Garden City AL7 3EL
Received 31 Aug 200459 Handside Lane Welwyn Garden City AL8 6SH
Received 22 Feb 20245 THE VALLEY GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DQ
Received 23 Sept 2008Workshop to the rear of 34 Burrowfield, Welwyn Garden City, AL7 4SR
Received 29 Oct 20152 Oakwell Drive Northaw Potters Bar EN6 4EZ
Received 11 Nov 202121 Golden Dell, Welwyn Garden City, AL7 4EE
Received 14 Jan 201535 Northaw Road East Cuffley Potters Bar EN6 4LU
Received 14 Jul 202110 Handside Green, Welwyn Garden City, AL8 6SQ
Received 21 Jan 201415 Robbery Bottom Lane Welwyn AL6 0UL
Received 5 Nov 2004Land to the Rear of Pear Building Shire Park Kestrel Way Welwyn Garden City AL7 1GA
Received 6 Jan 20204 The Glade, Welwyn Garden City, AL8 7LG
Received 7 Nov 20141 Town Centre Hatfield AL10 0JZ
Received 29 Jun 2021The Laurels, Mill Green Lane, Mill Green, Hatfield, AL9 5NZ
Received 28 May 201413 Digswell Park Road Welwyn Garden City AL8 7NW
Received 10 Sept 2018Records 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.

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Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

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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