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
Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.
17,386 approved · 2,787 refused · 1,293 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 Oaklands Rise Welwyn AL6 0RN
Received 17 Sept 2019126 Parkway Welwyn Garden City AL8 6HP
Received 19 Mar 2025Land to the rear of 55 Roe Green Close Hatfield AL10 9PF
Received 3 Oct 2019Ponsbourne Park, Hatfield Lodge Newgate Street Hertford SG13 8NH
Received 29 Jun 202039 Hill Rise Cuffley Potters Bar EN6 4EH
Received 24 Jul 20194 Juniper Gardens Welwyn AL6 0XH
Received 28 Sept 202034 Vineyards Road Northaw Potters Bar EN6 4PA
Received 30 May 2022The Lodge 2 Northaw Place Coopers Lane Northaw Potters Bar Hertfordshire EN6 4NQ
Received 28 Jun 202214 The Avenue Welwyn AL6 0PN
Received 23 Mar 20167 The Grove, Brookmans Park, Hatfield, AL9 7RL
Received 29 Jun 201841 Swanley Crescent Little Heath Potters Bar EN6 1NQ
Received 26 Feb 2024Barham Court 80A Station Road Cuffley Potters Bar EN6 4HY
Received 3 Jul 201955 Bushey Ley Welwyn Garden City AL7 3HB
Received 14 Jul 202120 Roe Green Close Hatfield AL10 9PE
Received 21 Oct 2019The Spinney 57A Great North Road Hatfield AL9 6LA
Received 27 Feb 202010 Birch Drive Hatfield AL10 8NX
Received 27 Jan 202251 Bradmore Green Brookmans Park Hatfield AL9 7QS
Received 12 Apr 2017120 Haldens Welwyn Garden City AL7 1DG
Received 19 Jul 202115 Guessens Road Welwyn Garden City AL8 6QL
Received 10 Aug 201844 Westland Drive Brookmans Park AL9 7UQ
Received 23 Feb 202332 Newfields Welwyn Garden City AL8 6YT
Received 17 Jun 202487 Uplands Welwyn Garden City AL8 7EH
Received 17 Jun 2019Former Xerox Campus Bessemer Road Welwyn Garden City AL71HE
Received 5 Aug 2019149 Daniells Welwyn Garden City AL7 1QP
Received 13 Nov 2025Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
View all applicationsStart 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