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
29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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.
9 Briary Wood Lane Welwyn AL6 0TE
Received 26 Sept 201330 SHERRARDSPARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JS
Received 14 Oct 200930 Fordwich Road Welwyn Garden City AL8 6EY
Received 31 Dec 20202A The Shed Whitehill Ayot St Peter Welwyn AL6 9AF
Received 7 Jun 201833 Church Lane Northaw Potters Bar EN6 4NX
Received 11 Dec 202090 Sweet Briar, Welwyn Garden City, AL7 3EA
Received 22 Jan 201474-78 Town Centre, Hatfield, AL10 0JW
Received 4 Sept 20149 Mandeville Rise, Welwyn Garden City, AL8 7JT
Received 31 Mar 201653A Roe Green Close Hatfield AL10 9PF
Received 7 Mar 201967 Bluebridge Road Brookmans Park Hatfield AL9 7UW
Received 28 Dec 2017Peel Court, 16 College Way, Welwyn Garden City, AL8 6DG
Received 6 Aug 201440 Parkway, Welwyn Garden City, AL8 6HQ
Received 7 Nov 200812 Sherrardspark Road, Welwyn Garden City, AL8 7JP
Received 27 Jan 2006101 Brookmans Avenue, Brookmans Park, HATFIELD, AL9 7QG
Received 31 Dec 20129 Homerfield, WELWYN GARDEN CITY, AL8 6QZ
Received 11 Feb 2013102 Mountway, WELWYN GARDEN CITY, AL7 4LB
Received 17 Dec 2012AYOT FARM, BIBBS HALL LANE, AYOT ST LAWRENCE, WELWYN, HERTFORDSHIRE, AL6 9BY
Received 5 Dec 200818 Oaklands Rise Welwyn AL6 0RN
Received 14 Sept 2018LAND AT, SWALLOWFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1JD
Received 5 Aug 20042 The Drive Welwyn AL6 0TR
Received 30 Apr 20075 The Lawns Welwyn Garden City AL8 7HU
Received 24 Jun 201975 The Ridgeway Cuffley Potters Bar EN6 4BD
Received 31 Jan 202399 Hollybush Lane Welwyn Garden City AL7 4JS
Received 15 Oct 2018Land adjacent to Comet Way Hatfield AL10 9SL
Received 22 Oct 2021Records 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