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
28,931 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
43 Bushey Ley Welwyn Garden City AL7 3HB
Received 31 Aug 2021121 Crawford Road Hatfield AL10 0PF
Received 25 Nov 20224 Handside Green Welwyn Garden City AL8 6SQ
Received 1 Mar 20216 Bennett Close Welwyn Garden City AL7 4JA
Received 23 Oct 201919 Mandeville Rise Welwyn Garden City AL8 7JT
Received 11 May 201810 Pine Crest Welwyn AL6 0EQ
Received 30 Jan 200826 Canonsfield Road Welwyn AL6 0QH
Received 18 Jan 202295 Mill Green Road Welwyn Garden City AL7 3XA
Received 29 Aug 20235 Hill Ley Hatfield AL10 8LX
Received 4 Jan 2019Allotments adjacent to: Broadwater Crescent, Welwyn Garden City, AL7 3AB
Received 18 Dec 201583 Peplins Way, Brookmans Park, Hatfield, AL9 7UT
Received 24 Jun 201412 Falcon Close Hatfield AL10 8QY
Received 19 Sept 20081 Attimore Road, Welwyn Garden City, AL8 6LH
Received 1 Jan 19883A Hall Grove Welwyn Garden City AL7 4PJ
Received 1 Oct 202114 Georges Wood Road Brookmans Park Hatfield AL9 7BT
Received 27 Nov 2017Bishops Hatfield Girls School Woods Avenue Hatfield AL10 8NL
Received 9 May 2017Commons Wood Caravan Club Site Ascots Lane Welwyn Garden City AL7 4HJ
Received 9 Mar 20216 Beechfield Road Welwyn Garden City AL7 3RF
Received 10 Mar 2020Manor House Ellesfield Welwyn AL6 9HB
Received 10 Sept 202435 Elmwood Welwyn Garden City AL8 6LD
Received 12 Feb 2021Ayot Montfitchet Ayot St Peter AL6 9BH
Received 3 Jul 2019Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB
Received 20 Jun 2022THE WHEATSHEAF, WEST END LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6AU
Received 24 Jul 2008Attimore Hall, Ridgeway, Welwyn Garden City, AL7 2AD
Received 29 Sept 2014Records 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