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
28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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.
2 Rollswood Road Welwyn AL6 9TX
Received 2 Dec 200916 The Old Drive, Welwyn Garden City, AL8 6TB
Received 10 Feb 2014Essendon House Church Street Essendon Hatfield AL9 6AR
Received 11 May 20205 Martin Close Hatfield AL10 8QS
Received 5 Aug 20241 The Forge Coopers Lane Northaw Potters Bar EN6 4NF
Received 2 Jun 202610 Little Youngs Welwyn Garden City AL8 6SL
Received 19 Jun 201710 Great North Road Brookmans Park Hatfield AL9 6NF
Received 29 Mar 2016Ashurst West End Lane Essendon Hatfield AL9 6AX
Received 12 Mar 2004Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB
Received 25 Sept 2020160 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4RG
Received 8 Jul 2008Holly Frindle Cottage Coopers Lane Northaw Potters Bar EN6 4NE
Received 19 Oct 201817 Barleycroft Green Welwyn Garden City AL8 6JY
Received 21 Mar 200740 Longcroft Lane, Welwyn Garden City, AL8 6EF
Received 25 Jul 201412 Harpsfield Broadway Hatfield AL10 9TF
Received 8 Nov 2024419 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4HW
Received 23 Jun 2009Lodge Farm Newgate Street SG13 8NQ
Received 8 Jul 20247A Hall Grove, WELWYN GARDEN CITY, AL7 4PJ
Received 11 Dec 2012Gosling Stadium Stanborough Road
Received 28 Jun 2019124 LONGCROFT LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EN
Received 25 Nov 2008The Red Lion 88 Great North Road AL9 5EU
Received 26 May 202338 BEEHIVE LANE, WELWYN GARDEN CITY, HERTS, AL7 4BP
Received 12 Jan 201039 Barleycroft Road, Welwyn Garden City, AL8 6JX
Received 1 Aug 2016316 Knightsfield Welwyn Garden City AL8 7NQ
Received 22 Sept 2022LAND AT, HAZELGROVE SCHOOL, HATFIELD, HERTFORDSHIRE
Received 10 Sept 2004Records 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