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
28,808 approved · 4,797 refused · 2,203 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 30 Oct 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 Counts reflect the last collected status; some records may be out of date.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.
31 Digswell Road Welwyn Garden City AL8 7PB
Received 16 Jan 201925 Boundary Lane Welwyn Garden City AL7 4EG
Received 11 Jun 20203 Old Forge Close Welwyn AL6 0SR
Received 20 Dec 202317 Ethelred Close Welwyn Garden City AL7 3QF
Received 10 Feb 201743 The Grove Brookmans Park Hatfield AL9 7RL
Received 26 Jan 20215 Meadow Green Welwyn Garden City AL8 6SS
Received 1 Dec 20217 OAKLANDS AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7UH
Received 30 May 200836 Mulberry Mead, Hatfield, AL10 9EN
Received 15 Jan 201411 Woodgate Avenue, Northaw, Potters Bar, EN6 4EW
Received 20 Jul 2016Garages and Land adjacent to flats 37-48 Lambs Close Cuffley EN6 4HD
Received 21 Aug 201814 Ashcombe, Welwyn Garden City, AL8 7HQ
Received 1 Jan 198835 Northaw Road East Cuffley Potters Bar EN6 4LU
Received 20 Jan 20221 Tylers Wood Welwyn Hertfordshire AL6 0ET
Received 26 May 20221 Fore Street Hatfield AL9 5AN
Received 28 Jun 201612 Beehive Green, Welwyn Garden City, AL7 4BE
Received 15 Dec 200862 HOMEWOOD AVENUE, CUFFLEY, HERTFORDSHIRE, EN6 4QH
Received 4 Jul 20088 Reeves Court Welwyn AL6 9FU
Received 14 Jun 201635 Green Lanes Hatfield AL10 9JU
Received 18 Mar 2019The Beehive Beehive Lane Welwyn Garden City AL7 4BW
Received 23 Jul 202147 Wilshere Road Welwyn AL6 9PU
Received 13 Jul 2015Quartermans Cottage Digswell Lane Welwyn Hertfordshire AL6 0SP
Received 20 Jun 202256 WOOD CLOSE, HATFIELD, HERTFORDSHIRE, AL10 8TX
Received 5 Apr 200818 Warwick Avenue Cuffley Potters Bar EN6 4RS
Received 8 Mar 2019Land east of, Hornbeam Lane, Brookmans Park, HATFIELD, AL9 6JF
Received 20 Dec 2012Records 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