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
28,987 approved · 4,819 refused · 2,218 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
28 Sutherland Avenue Cuffley Potters Bar EN6 4EQ
Received 9 May 200710 Mannicotts Welwyn Garden City AL8 7BW
Received 19 May 20206 Lodgefield, Welwyn Garden City, AL7 1SD
Received 19 Mar 201446 Birchall Wood Welwyn Garden City AL7 2HL
Received 29 Jan 201919 Bedwell Close Welwyn Garden City AL7 3XH
Received 26 Mar 201822 Fearnley Road Welwyn Garden City AL8 6HW
Received 9 Apr 20184 Barneswood Digswell Welwyn AL6 0EU
Received 26 Oct 202667 Mymms Drive, Brookmans Park, Hatfield, AL9 7AA
Received 27 Jul 201518 SHEEPCOTE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4QD
Received 4 Nov 200825 Little Thistle Welwyn Garden City AL7 4AE
Received 30 Jun 20177 HILLSIDE, WELWYN GARDEN CITY, HERTS, AL7 4PZ
Received 30 Apr 20082 Digswell Hill Welwyn AL6 9AL
Received 29 Jan 201831 Brockswood Lane Welwyn Garden City AL8 7BE
Received 13 Jul 2017The Galleria Land Securities Comet Way Hatfield AL10 0XR
Received 19 May 202676 High Dells Hatfield AL10 9HU
Received 1 Feb 202152 Crookhams Welwyn Garden City AL7 1PF
Received 30 Sept 202612 Mandeville Rise, Welwyn Garden City, AL8 7JU
Received 2 Mar 201523 Melbourne Court Welwyn Garden City AL8 6LL
Received 30 May 202222 HOMESTEAD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4LU
Received 16 Aug 200822 Vine Close Welwyn Garden City AL8 7PS
Received 16 Aug 2024B & Q PLC, SWALLOWFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1JD
Received 5 Aug 20045 Sheepcote, Welwyn Garden City, AL7 4QA
Received 17 Dec 2015160 Great North Road Hatfield AL9 5JW
Received 22 Jun 202326 Handside Lane, Welwyn Garden City, AL8 6SF
Received 1 Jan 1988Records 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