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
25,746 approved · 4,037 refused · 1,873 withdrawn. Received dates in our records: 29 Apr 1948 to 16 Oct 2026. Most recent record check: 23 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 Counts reflect the last collected status; some records may be out of date.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.
Plot 4100 Gypsy Moth Avenue Hatfield Business Park Hatfield
Received 19 Sept 201710 Russellcroft Road, Welwyn Garden City, AL8 6QT
Received 16 May 201678 Old Rectory Drive Hatfield AL10 8FE
Received 20 Dec 201913 Marlborough Close Welwyn AL6 0UG
Received 8 Nov 2017Land Adjacent to 37 Lambs Close Cuffley EN6 4HD
Received 11 Oct 2017The Wood Barn The Estate Yard North Mymms Park North Mymms Hatfield AL9 7TR
Received 1 Jun 202056 Valley Road Welwyn Garden City AL8 7DN
Received 11 Jul 202349 The Meadway Cuffley Potters Bar EN6 4ET
Received 29 Nov 201773 Bridge Road East Welwyn Garden City AL7 1UT
Received 10 Jun 202532 Blakemere Road Welwyn Garden City AL8 7PJ
Received 10 Jul 2020216A Knella Road, Welwyn Garden City, AL7 3NW
Received 21 May 201429A Turmore Dale Welwyn Garden City AL8 6HT
Received 21 Mar 2022WGC United Reformed Church, Church Road Car Park, Church Road, Welwyn Garden City, AL8 6PS
Received 4 Jun 201571-81 Moors Walk Welwyn Garden City AL7 2BQ
Received 5 Jan 2026Shaws Corner Bride Hall Lane Ayot St Lawrence Welwyn AL6 9BX
Received 25 Feb 2015118 Campion Road Hatfield AL10 9FT
Received 3 Oct 202241 Hawbush Rise Welwyn AL6 9PR
Received 17 Apr 2026Oak Cottage Ayot St Peter Road Ayot St Peter Welwyn AL6 9BG
Received 5 May 201511 Elm Drive Hatfield AL10 8NR
Received 24 May 201727 Oaklea Welwyn AL6 0PT
Received 23 Apr 20243 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 4 Jun 202525 Wren Wood, Welwyn Garden City, AL7 1QF
Received 25 Feb 201658 Great Ley Welwyn Garden City AL7 4TL
Received 22 Oct 2020Land adjacent to 45 Broadwater Road, Welwyn Garden City, AL7 3AX
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