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.
16,642 approved · 2,699 refused · 1,223 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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.
90 Handside Lane Welwyn Garden City AL8 6SN
Received 23 Apr 202423 Fiddlebridge Lane Hatfield AL10 0SP
Received 13 Sept 201754 New Road Digswell Welwyn AL6 0AH
Received 14 Aug 201867 Handside Lane Welwyn Garden City AL8 6SH
Received 14 Jul 2023The Listed Hangar Mosquito Way Hatfield AL10 9AX
Received 5 Jan 20185 Bacons Drive Cuffley Potters Bar EN6 4EF
Received 3 Jan 2018Land east of Cucumber Lane Essendon Nr Hatfield AL9 6JB
Received 26 Apr 20177 Wendover Drive Welwyn AL6 9LT
Received 20 Apr 20215 Oakwell Drive Northaw Potters Bar EN6 4EZ
Received 27 Oct 20251-11, 13-23, 23-35 & 37-47 Grove Mead; 2-12, 14-24 Briars Wood & 2-12 & 22-32 Briars Lane Hatfield
Received 1 May 202618 Westland Drive Brookmans Park Hatfield AL9 7UQ
Received 25 Mar 2021Woodside Wildhill Road Hatfield Hertfordshire AL9 6DN
Received 2 Mar 20222 Waterworks Cottages Northaw Road East Cuffley Potters Bar EN6 4RB
Received 29 Nov 20191 Somersham Welwyn Garden City AL7 2PZ
Received 9 Aug 202121 Hillside Way Welwyn AL6 0TY
Received 15 May 202550 The Ryde Hatfield AL9 5DL
Received 5 Jul 20189 Barleycroft Road Welwyn Garden City AL8 6JX
Received 23 Dec 20204 Mardley Avenue Welwyn AL6 0UD
Received 15 Sept 201676 Valley Road Welwyn Garden City AL8 7DP
Received 25 Nov 202115 Cranmer Close Little Heath Potters Bar EN6 1LB
Received 13 Mar 202443 Brookmans Avenue Brookmans Park Hatfield AL9 7QH
Received 22 Aug 20176 Little Youngs Welwyn Garden City AL8 6SL
Received 29 May 201814 Mandeville Rise Welwyn Garden City AL8 7JU
Received 15 Mar 202229 Reddings Welwyn Garden City AL8 7LA
Received 17 Nov 2016Records 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