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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
42 The Ridgeway Cuffley Potters Bar EN6 4BA
Received 18 Jun 2020Land to rear of 313 St Albans Road West Hatfield Hertfordshire AL10 9RJ
Received 7 May 2004Colesdale Farm Northaw Road West Northaw Potters Bar EN6 4QZ
Received 3 Feb 201735 Harmer Green Lane Digswell Welwyn AL6 0AS
Received 18 Jun 2013The Bellbrook Bulls Lane Hatfield AL9 7AZ
Received 7 Dec 201629 Tolmers Gardens Cuffley Potters Bar EN6 4JE
Received 12 Jan 2023391 St Albans Road West Hatfield AL10 9RU
Received 3 Jan 20237 Youngs Rise Welwyn Garden City AL8 6RT
Received 4 Mar 202422 Spinney Lane Welwyn AL6 9TF
Received 15 Nov 201334 LADY GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4DU
Received 21 Oct 200879 Crawford Road Hatfield AL10 0PF
Received 10 Jun 201628 Beehive Lane Welwyn Garden City AL7 4BQ
Received 23 Mar 20267 Sheepcote Welwyn Garden City AL7 4QA
Received 29 Jan 2018172 Travellers Lane Welham Green Hatfield AL9 7HN
Received 18 Nov 2021102 Sweet Briar Welwyn Garden City AL7 3EA
Received 2 Jun 202339 Wheatley Road Welwyn Garden City AL7 3LL
Received 25 Sept 201711 Breaks Road Hatfield AL10 8TR
Received 21 May 20251 Hillside Welwyn Garden City AL7 4PZ
Received 14 Jan 202265 Westland Drive, Brookmans Park, Hatfield, AL9 7UG
Received 26 Apr 201315 Barleycroft Road, Welwyn Garden City, AL8 6JX
Received 4 Aug 20089 THE OLD DRIVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TB
Received 16 Sept 2008Mansion House North Mymms Park Tollgate Road North Mymms Hatfield AL9 7TR
Received 7 May 20156 Furzefield Road Welwyn Garden City AL7 3RH
Received 15 Mar 2018Homebase Comet Way Hatfield AL9 5JP
Received 27 Jul 2015Records 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