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.
19,339 approved · 3,022 refused · 1,454 withdrawn. Received dates in our records: 5 Jan 2005 to 8 Oct 2026. Most recent record check: 16 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 Counts reflect the last collected status; some records may be out of date.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.
Home Farm 15 New Park Road Newgate Street Hertford SG13 8RD
Received 10 Feb 202553 Marsden Road Welwyn Garden City AL8 6YH
Received 15 Jun 20218 Hall Grove Welwyn Garden City AL7 4PH
Received 14 Jan 20253 Monks Rise Welwyn Garden City AL8 7NX
Received 9 Jul 20242 Hobbs Way Welwyn Garden City AL8 6HX
Received 10 Sept 202413 Clarkes Road Hatfield AL10 0HN
Received 8 Aug 20244 The Green Welwyn Hertfordshire AL6 9EA
Received 27 Feb 20237 Pitsfield, Welwyn Garden City, AL8 7SJ
Received 29 Apr 20229 Broadleaf Grove Welwyn Garden City AL8 7AZ
Received 4 Sept 202528 Handside Lane Welwyn Garden City AL8 6SF
Received 2 Sept 20243 Daniells Welwyn Garden City AL7 1QY
Received 11 Nov 202110 & 12 Oaklands Rise Welwyn AL6 0RN
Received 3 Feb 2020Plot 5610 Gypsy Moth Avenue Hatfield AL10 9BS
Received 14 Apr 2025Street Record Chequers Field Welwyn Garden City AL7 4SX
Received 11 Aug 20204 Meadow Dell, Hatfield, AL10 0SF
Received 19 Sept 201476 Brockswood Lane Welwyn Garden City AL8 7BQ
Received 14 May 2021Land between 48 & 50 The Ridgeway Cuffley EN6 4BA
Received 19 Aug 202247 Puttocks Drive Welham Green Hatfield AL9 7LW
Received 1 Jul 202667 Valley Road Welwyn Garden City AL8 7DR
Received 18 May 2026Ayot Montfitchet Ayot St Peter AL6 9BH
Received 5 Aug 201922 Digswell Road Welwyn Garden City AL8 7PA
Received 21 Nov 2025Blue Moon Paddock Woodfield Lane Brookmans Park AL9 6JJ
Received 31 Jan 202343 Codicote Road Welwyn AL6 9TT
Received 26 May 201614 Broadfield Place Welwyn Garden City AL8 6LJ
Received 30 Dec 2019Records 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