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
28,928 approved · 4,810 refused · 2,212 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
95 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QG
Received 28 Oct 201512 Homestead Road Hatfield AL10 0QL
Received 18 Mar 202439 Marsden Green Welwyn Garden City AL8 6YD
Received 20 Dec 2018West End Farm West End Lane Essendon Hatfield AL9 6AZ
Received 21 Mar 2018206 Bishops Rise Hatfield AL10 9QU
Received 29 Jun 201664 Lockley Crescent Hatfield AL10 0TP
Received 10 Feb 20145 Oakwell Drive, Northaw, Potters Bar, EN6 4EZ
Received 1 Feb 201871 Beehive Lane Welwyn Garden City AL7 4BN
Received 23 May 202217 Vine Close Welwyn Garden City AL8 7PS
Received 1 Oct 2020Flat 1 The Red House 54 New Road Digswell Welwyn AL6 0AH
Received 14 Oct 202225 Westly Wood, Welwyn Garden City, AL7 1QN
Received 30 Sept 20133 Minster Close, Hatfield, AL10 9JN
Received 15 Sept 20169 The Green Welwyn AL6 9EA
Received 2 Oct 2020MYMWOOD HOUSE, SHEPHERDS WAY, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 6NN
Received 20 Oct 200930 Grangewood, Little Heath, Potters Bar, EN6 1SL
Received 25 Nov 20145 Homerfield Welwyn Garden City AL8 6QZ
Received 17 Mar 20207 Mannicotts Welwyn Garden City AL8 7BW
Received 28 Jun 2019124 Parkway Welwyn Garden City AL8 6HN
Received 12 Mar 202149 Great Ley, Welwyn Garden City, AL7 4TJ
Received 24 Mar 201640 Reddings, Welwyn Garden City, AL8 7LA
Received 30 Jul 200812 Little Dell Welwyn Garden City AL8 7HZ
Received 15 Mar 202286 Thistle Grove, Welwyn Garden City, AL7 4AQ
Received 3 Dec 201369 Knightsfield, Welwyn Garden City, AL8 7JE
Received 10 Dec 201317 Tewin Road Welwyn Garden City AL7 1BD
Received 9 Oct 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