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
29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 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 Counts reflect the last collected status; some records may be out of date.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.
21 Mandeville Rise, Welwyn Garden City, AL8 7JT
Received 21 Sept 20168 Mandeville Rise, Welwyn Garden City, AL8 7JU
Received 20 Jan 201429 Broadwater Road Welwyn Garden City Hertfordshire AL7 3BQ
Received 17 Jul 202422 Mornington Digswell Welwyn AL6 0AJ
Received 27 Oct 20053 Pentley Park Welwyn Garden City AL8 7RT
Received 13 Oct 20161 Dowley Wood Welwyn Garden City AL7 1FL
Received 10 Jun 20216 Sutherland Way Cuffley Potters Bar EN6 4EG
Received 4 Dec 20245 Mymms Drive Brookmans Park Hertfordshire AL9 7AE
Received 2 Jun 2023The North Star 82 Great North Road Welwyn AL6 0TA
Received 19 Jun 202671 Great North Road Hatfield AL9 5EN
Received 30 Jun 201745 Codicote Road Welwyn AL6 9TT
Received 16 Sept 2021148 Brookside Crescent Cuffley Potters Bar EN6 4QL
Received 6 Mar 201384 Moorlands Welwyn Garden City AL7 4QG
Received 10 Aug 20236 Parsonage Lane Welham Green Hatfield AL9 7LU
Received 8 Jun 202121 Kingsmead Cuffley Potters Bar EN6 4AN
Received 23 Jan 2004Essendonbury Farm Essendon Hill Essendon Hatfield AL9 6AF
Received 25 Jul 20179 Parsonage Road Welham Green Hatfield AL9 7NA
Received 24 Jul 201764 Brockswood Lane, Welwyn Garden City, AL8 7BQ
Received 11 Apr 2016Maynard House 1 The Common Hatfield AL10 0NF
Received 11 Nov 2019228 Handside Lane Welwyn Garden City AL8 6TD
Received 24 Jul 20171 Longcroft Lane Welwyn Garden City AL8 6EB
Received 10 Apr 2017260 Handside Lane Welwyn Garden City AL8 6TG
Received 21 May 200475 Mulberry Mead, Hatfield, AL10 9EH
Received 11 Nov 20137 Sherrardspark Road Welwyn Garden City AL8 7JW
Received 9 Sept 2024Records 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