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
28,767 approved · 4,792 refused · 2,199 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 Oct 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 Counts reflect the last collected status; some records may be out of date.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.
3 Mill Green Cottages Mill Green Bush Hall Lane Hatfield AL9 5PB
Received 21 Aug 202043 Ellenbrook Lane Hatfield AL10 9RW
Received 28 Feb 202230 Youngs Rise Welwyn Garden City AL8 6RU
Received 29 Mar 202245 Kentish Lane Brookmans Park AL9 6NG
Received 5 Sept 20257 Park Street Hatfield AL9 5AT
Received 8 Jun 202012 The Links Welwyn Garden City AL8 7DS
Received 5 Apr 202329 Brockswood Lane, Welwyn Garden City, AL8 7BE
Received 30 Apr 2024The Wellington 1 High Street Welwyn AL6 9LZ
Received 19 Oct 200412 Stuart Road Welwyn AL6 9JN
Received 19 Nov 200717 Coneydale Welwyn Garden City AL8 7RX
Received 4 Apr 200744 Elmwood, Welwyn Garden City, AL8 6LE
Received 18 Mar 2004Ocado Ltd Gypsy Moth Avenue Hatfield AL10 9BD
Received 27 Nov 201711 ROUNDWOOD DRIVE, WELWYN GARDEN CITY, HERTS, AL8 7JZ
Received 15 May 200922 The Avenue Welwyn AL6 0PP
Received 11 Aug 202025 The Avenue Welwyn AL6 0PW
Received 1 Oct 2021132 MOFFATS LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7RW
Received 24 Jan 200869 Cranfield Crescent, Cuffley, Potters Bar, EN6 4DZ
Received 17 Mar 201627 Reddings Welwyn Garden City AL8 7LA
Received 19 Nov 20193 Handside Green, Welwyn Garden City, AL8 6SQ
Received 4 Jul 201418 Guessens Road Welwyn Garden City AL8 6QR
Received 5 Feb 2019The Coach House 4 Digswell Hill Welwyn AL6 9AL
Received 29 Jun 2009Meadow Farm Northaw Road West Northaw Potters Bar EN6 4QX
Received 24 Nov 2023Diocesan Education Centre Hall Grove Welwyn Garden City AL7 4PJ
Received 15 Nov 201835 Dalewood Welwyn Garden City AL7 2JP
Received 19 Nov 2018Records 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