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
28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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.
59 Marsden Green Welwyn Garden City AL8 6YD
Received 4 Dec 202049 Bridge Road Welwyn Garden City AL8 6UH
Received 11 Nov 2019Land and Garages at The Commons Welwyn Garden City AL7 4RP
Received 3 May 202213 PARKHOUSE COURT, HATFIELD, HERTS, AL10 9RQ
Received 12 Oct 2007Ocado Ltd Gypsy Moth Avenue Hatfield AL10 9BD
Received 28 Feb 200732 Blakemere Road Welwyn Garden City AL8 7PJ
Received 11 Mar 20193 Scholars Mews Welwyn Garden City AL8 7JQ
Received 31 Aug 201817 Elmwood Welwyn Garden City AL8 6LD
Received 26 May 201728 Warren Close Hatfield AL10 0AL
Received 25 Jun 200754 Sherrardspark Road Welwyn Garden City AL8 7LB
Received 14 Sept 20177 Danesbury Lane Welwyn Hertfordshire AL6 9SG
Received 6 Jan 2023105 Handside Lane, Welwyn Garden City, AL8 6SP
Received 29 Jul 202649 Digswell Park Road Welwyn Garden City AL8 7NW
Received 22 Feb 202214 Georges Wood Road Brookmans Park AL9 7BT
Received 9 Jan 2026309 Knightsfield, Welwyn Garden City, AL8 7NJ
Received 7 May 201325 Birds Close Welwyn Garden City AL7 4AR
Received 9 May 201832 Marley Road, Welwyn Garden City, AL7 4BS
Received 1 Mar 201624 Beehive Green, Welwyn Garden City, AL7 4BG
Received 13 Oct 202168 Mill Green Road Welwyn Garden City AL7 3XF
Received 20 Feb 2023Tesco Shire Park Kestrel Way Welwyn Garden City AL7 1GA
Received 4 Oct 2022LAND R/O, 44-46 HILL RISE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4EJ
Received 17 Jan 200630 Huggins Lane Welham Green Hatfield AL9 7LE
Received 16 Mar 20179 Attimore Road, Welwyn Garden City, AL8 6LH
Received 23 Sept 201636 School Lane Welwyn AL6 9PH
Received 9 Feb 2026Records 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