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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
80 Haldens Welwyn Garden City AL7 1DD
Received 25 Oct 200521 Great Break Welwyn Garden City AL7 3EZ
Received 2 Jun 201532 Parkway Welwyn Garden City AL8 6HQ
Received 29 Jun 20171 Haynes Close, Welwyn Garden City, AL7 3EP
Received 19 Mar 2004Ratcliff Tail Lifts Ltd site Bessemer Road Welwyn Garden City AL7 1ET
Received 13 Mar 20207 The Ridgeway Cuffley Potters Bar EN6 4AY
Received 1 Mar 202232 Hyde Way Welwyn Garden City AL7 3UQ
Received 4 Jan 2017ATS Euromaster Ltd 17 Tewin Road Welwyn Garden City AL7 1BD
Received 7 Sept 2018Essendon Mill Low Road Essendon Hatfield AL9 6AD
Received 8 Oct 20205 Rosecroft Lane Welwyn AL6 0UB
Received 30 Nov 2012The Cottage, Church Road, Welwyn Garden City, AL8 6PR
Received 1 Jan 198746 King James Avenue Cuffley Potters Bar EN6 4LP
Received 22 Mar 200471 Peplins Way, Brookmans Park, Hatfield, AL9 7UT
Received 15 Sept 201513 Parkhouse Court Hatfield AL10 9RQ
Received 17 May 20215 & 7 Birchwood Avenue Hatfield AL10 0PL
Received 21 Oct 200855 Cherry Way Hatfield AL10 8LF
Received 13 May 202211 Church Close Cuffley Potters Bar EN6 4LS
Received 3 Feb 202324 Beehive Green, Welwyn Garden City, AL7 4BG
Received 6 Jan 2006LAND ADJACANT TO, 2 KILWORTH CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3HR
Received 22 Jun 20096 Longcroft Lane Welwyn Garden City AL8 6EA
Received 22 May 20174 Swanland Road North Mymms Hatfield AL9 7TG
Received 17 Oct 2024Cucumber Barn, Cucumber Lane, Essendon, Hatfield, AL9 6JB
Received 25 Jul 201672 Brockswood Lane, Welwyn Garden City, AL8 7BQ
Received 6 Nov 2015The Coach And Horses 61 Newgate Street Village Hertford SG13 8RA
Received 17 Jul 2025Records 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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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