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
28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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.
5 NORTHAW ROAD EAST, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4LU
Received 29 Oct 2009Brookmans Bradmore Green Brookmans Park AL9 7QW
Received 11 Oct 202261 Crookhams Welwyn Garden City AL7 1PG
Received 16 Aug 20207 Somersham Welwyn Garden City AL7 2PZ
Received 4 Jul 201715 Tolmers Road, Cuffley, Potters Bar, EN6 4JF
Received 15 Dec 20156 Douglas Way Welwyn Garden City AL7 2LY
Received 21 Jul 2015368 Knightsfield Welwyn Garden City AL8 7NG
Received 8 Sept 202035 Calder Avenue Brookmans Park Hatfield AL9 7AH
Received 23 Jul 200729 Little Ganett, Welwyn Garden City, AL7 3DG
Received 10 Feb 201623 Templewood Welwyn Garden City AL8 7HT
Received 5 Jun 202074 Rosedale Welwyn Garden City AL7 1DR
Received 20 Nov 20177 Parkhouse Court Hatfield AL10 9RQ
Received 20 Aug 2008Land to North East Of Welwyn Garden City Panshanger Welwyn Garden City AL7 2QJ
Received 22 Oct 20185 Pennyfathers Lane Welwyn AL6 0EN
Received 23 Jan 201749 Woodland Rise Welwyn Garden City AL8 7LJ
Received 9 Jul 20182 Codicote Road Welwyn AL6 9NB
Received 30 Nov 20204 Crop Common Hatfield AL10 0DF
Received 15 Aug 2018THE NEW HOUSE, BESSEMER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LU
Received 26 Nov 2007291 Knightsfield, Welwyn Garden City, AL8 7NH
Received 3 May 201621 High Oaks Road, Welwyn Garden City, AL8 7BJ
Received 23 May 2014Thorntons Farm Vineyards Road Northaw Potters Bar Hertfordshire EN6 4PF
Received 11 Apr 202261 Briars Wood Hatfield AL10 8DH
Received 14 Jul 201524 Fulling Mill Lane Welwyn AL6 9NS
Received 26 Jun 202529 Mandeville Rise Welwyn Garden City AL8 7JT
Received 14 Sept 2017Records 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