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.
14,830 approved · 2,448 refused · 1,095 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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.
11 Vine Close Welwyn Garden City AL8 7PS
Received 20 Nov 20195 Woodfield Road Welwyn Garden City AL7 1JQ
Received 13 Aug 201811 The Orchard Welwyn Garden City AL8 7PL
Received 13 Jan 20215 Peartree Court, Welwyn Garden City, AL7 3XN
Received 16 Aug 20233 Walden Road Welwyn Garden City AL8 7PE
Received 5 Mar 2019134 Longcroft Lane, Welwyn Garden City, AL8 6EN
Received 18 Dec 202072 Birchwood Avenue Hatfield AL10 0PS
Received 21 Sept 2021Thunderbridge Farm Bulls Lane Hatfield AL9 7BB
Received 12 Aug 202620 Attimore Road Welwyn Garden City AL8 6LW
Received 30 Aug 201710 & 12 Oaklands Rise Welwyn AL6 0RN
Received 14 Apr 202011 Newfields Welwyn Garden City AL8 6YS
Received 6 Mar 201833 Lemsford Road Hatfield AL10 0DL
Received 9 Aug 201821 Homewood Avenue Cuffley Potters Bar Hertfordshire EN6 4QG
Received 17 May 202230 Fordwich Road Welwyn Garden City AL8 6EY
Received 10 Sept 202699 Bridge Road East Welwyn Garden City AL7 1GL
Received 7 May 2019Asda Superstore 98 Town Centre Hatfield AL10 0JP
Received 6 Dec 201886 Bell Lane Hatfield AL9 7AY
Received 13 Jul 202021 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 10 Sept 2024Warrenlodge Stables Great North Road Hatfield AL10 0TS
Received 23 Jan 2026Land Outside 19 Town Centre Hatfield AL10 0JT
Received 18 May 2026Dellcott Tennis Club Delcott Close off Dognell Green Welwyn Garden City AL8 7BL
Received 19 Feb 202110 Gresley Court Little Heath Potters Bar EN6 1LF
Received 3 Jun 202441 Lemsford Village Lemsford Welwyn Garden City AL8 7TR
Received 18 Mar 202530 Watchmead Welwyn Garden City AL7 1LT
Received 11 Nov 2021Records 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