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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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.
Lower Woodside Farm Westfield Brookmans Park
Received 12 Dec 2005325 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NJ
Received 12 Sept 200822 Uplands Welwyn Garden City AL8 7EW
Received 15 Nov 2021UNIT 1 THE HOWARD CENTRE, HOWARDSGATE, WELWYN GARDEN CITY, HERTS, AL8 6HA
Received 13 Jun 20082 Youngs Rise Welwyn Garden City AL8 6RU
Received 2 Jan 202419 WHITETHORN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3EX
Received 13 Oct 200957 Great North Road Brookmans Park AL9 6LA
Received 25 May 20232 Hill Cottages, Essendon Hill, Essendon, Hatfield, AL9 6AN
Received 23 Jul 20134 South Mundells, Welwyn Garden City, AL7 1EP
Received 10 Dec 20138 Sharmans Close Digswell Welwyn AL6 0AR
Received 26 Jun 202335 Somersham Welwyn Garden City AL7 2PZ
Received 16 Oct 202062 Brocket Road Welwyn Garden City AL8 7TU
Received 11 Jul 2019Campus East Car Park College Way Welwyn Garden City AL8 6DG
Received 6 Jan 20231 Hawkshead Farm Cottages, Hawkshead Lane, North Mymms, Hatfield, AL9 7TF
Received 29 Jun 2016Unit 18 Martinfield Business Centre Martinfield Welwyn Garden City AL7 1HG
Received 8 Aug 20199 Wendover Lodge Church Street Welwyn AL6 9LR
Received 22 Apr 2026Homerswood Cottage 7 Digswell Hill Welwyn AL6 9AH
Received 2 Aug 2017Fountain House 1-7 Howardsgate Welwyn Garden City AL8 6AL
Received 24 Apr 2018158 Daniells Welwyn Garden City AL7 1QW
Received 7 Jun 2004107 Peplins Way, Brookmans Park, Hatfield, AL9 7UT
Received 16 May 2014Brocket Hall Brocket Park Marford Road Lemsford Welwyn Garden City AL8 7XG
Received 23 Apr 2021248 Daniells Welwyn Garden City AL7 1QE
Received 10 Jul 201715 Attimore Road, Welwyn Garden City, AL8 6LH
Received 1 Jan 1987Abdale Coach House Abdale House near 22 Warrengate Road Brookmans Park AL9 7TX
Received 9 Aug 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