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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
4 Warren Dale Welwyn Garden City AL8 7HN
Received 17 Apr 202357 Valley Road Welwyn Garden City AL8 7DH
Received 10 Sept 20183 Ayot Green Ayot St Peter Welwyn AL6 9AB
Received 3 Jul 202367 Pine Grove Brookmans Park Hatfield AL9 7BL
Received 5 Sept 201719 Scholars Mews Welwyn Garden City AL8 7JQ
Received 9 Aug 20193 Sir John Newsom Way Welwyn Garden City AL7 4FJ
Received 25 Oct 2005LITTLE HEATH JUNIOR MIXED SCHOOL, SCHOOL ROAD, POTTERS BAR, HERTFORDSHIRE, EN6 1JW
Received 23 Dec 200543 Great Dell Welwyn Garden City AL8 7HP
Received 21 Aug 20249 Pleasant Rise Hatfield AL9 5DR
Received 27 Jun 2017Orme Court Essendon Hatfield AL9 6BP
Received 6 Feb 201937 Turpins Chase Welwyn AL6 0RP
Received 24 Oct 20079 Groom Place Welwyn Garden City AL7 1GG
Received 10 Mar 202115 Broadfield Place Welwyn Garden City AL8 6LJ
Received 29 Jun 202024 London Road Welwyn AL6 9JD
Received 19 Aug 20192 Claregate Thornton Road Little Heath Potters Bar EN6 1BY
Received 23 Sept 2025132 Boundary Lane Welwyn Garden City AL7 4DF
Received 20 Jul 200433 Hunters Way Welwyn Garden City AL7 4NR
Received 17 Feb 2020Digswell Water House Digswell Lane Welwyn AL6 0BY
Received 6 Mar 201734 Tolmers Avenue, Cuffley, Potters Bar, EN6 4QA
Received 10 Apr 201447 Peartree Lane, Welwyn Garden City, AL7 3UA
Received 29 Apr 2015162 Thistle Grove Welwyn Garden City AL7 4AQ
Received 20 Mar 201928 Plough Hill Cuffley Potters Bar EN6 4DR
Received 8 Jul 202465 BEEHIVE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BJ
Received 2 Oct 200822 Cornflower Way Hatfield AL10 9FY
Received 18 Apr 2019Records 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