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
28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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.
40 Reddings Welwyn Garden City AL8 7LA
Received 30 Sept 20194 AYOT HOUSE, AYOT ST LAWRENCE, WELWYN, HERTFORDSHIRE, AL6 9BP
Received 20 Sept 20071 Leefe Way Cuffley Potters Bar EN6 4DF
Received 16 Sept 201945 Hill Rise Cuffley Potters Bar EN6 4EH
Received 2 Dec 20196 Birdcroft Road Welwyn Garden City AL8 6EQ
Received 27 Jul 2026148 Howlands Welwyn Garden City AL7 4RG
Received 18 Nov 2020The Coach House Ellesfield Welwyn AL6 9HB
Received 13 Aug 20183 Heathlands Welwyn AL6 0UU
Received 9 May 20231 Greenways Digswell Welwyn AL6 0EE
Received 15 Jan 200855 Peplins Way Brookmans Park AL9 7UR
Received 21 Aug 202511 York Way Welwyn AL6 9LB
Received 8 Jan 2026206 Bishops Rise Hatfield AL10 9QU
Received 8 Feb 202223 Dellcott Close Welwyn Garden City AL8 7BB
Received 22 Jun 202612 Roundwood Drive, Welwyn Garden City, AL8 7JZ
Received 13 Dec 2013The Orchard House 53 Brockswood Lane
Received 16 Sept 201920 Station Road Cuffley Potters Bar EN6 4HT
Received 5 Feb 2019The Barnhouse Digswell Lane Welwyn AL6 0SP
Received 13 Dec 201226 Ayot Green Ayot St Peter Welwyn AL6 9AB
Received 4 Mar 201531 Newfields Welwyn Garden City AL8 6YS
Received 6 Apr 202038 New Road Digswell Welwyn AL6 0AH
Received 12 Dec 20237 Tolmers Road Cuffley Potters Bar EN6 4JF
Received 20 Apr 2026Council owned flats: 26-36 Aldykes Hatfield AL10 8EF and 44-54 Feather Del, Hatfield AL10 8DD
Received 20 Jul 202620 Mandeville Rise Welwyn Garden City AL8 7JU
Received 15 Apr 2019Whetstone Court Whetstone Close Welwyn AL6 0QY
Received 27 Jun 2014Records 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.

Understanding planning · 13 min read
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

Property research · 13 min read
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