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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 Broom Hill Welwyn AL6 0SF
Received 30 Aug 20192 Waterworks Cottages, Northaw Road East, Cuffley, Potters Bar, EN6 4RB
Received 2 May 20178 Sherrardspark Road Welwyn Garden City AL8 7JP
Received 9 Oct 2024High Hurst High Road Essendon Hatfield AL9 6HP
Received 3 Nov 20222 New Road Welwyn Garden City AL8 7TX
Received 17 Jan 202523 Elmwood Welwyn Garden City AL8 6LD
Received 29 Dec 201725 Bradgate Cuffley Potters Bar EN6 4RW
Received 29 Mar 200726 Codicote Road Welwyn AL6 9NQ
Received 29 Sept 2025Land at Great North Road Welwyn Garden City AL8 7TE
Received 12 Feb 200949 Feather Dell Hatfield AL10 8DE
Received 15 Dec 201636 Applecroft Road Welwyn Garden City AL8 6LA
Received 27 Jan 2025Twelve Apostles Church Kentish Lane Brookmans Park Hatfield AL9 6JY
Received 29 May 201831 Aldykes Hatfield AL10 8ED
Received 9 Nov 202026 Heather Road Welwyn Garden City AL8 6XU
Received 24 Sept 2025Eastbridge Service Station Bridge Road East Welwyn Garden City AL7 1LE
Received 18 Apr 201910 Handside Green, Welwyn Garden City, AL8 6SQ
Received 9 Nov 2015Campus West The Campus Welwyn Garden City AL8 6BX
Received 2 Feb 20223 High Street Welwyn AL6 9EE
Received 31 Dec 2019Nyn Manor Vineyards Road Northaw Potters Bar EN6 4PQ
Received 18 May 2017Wytmead Essendon Hill Essendon Hatfield AL9 6AW
Received 17 Apr 202664 Brockswood Lane Welwyn Garden City AL8 7BQ
Received 8 Aug 202349 Marsden Road Welwyn Garden City AL8 6YQ
Received 4 Feb 202114 Rooks Hill, Welwyn Garden City, AL8 6ET
Received 21 Jun 200439 Great North Road Welwyn Garden City AL8 7TJ
Received 4 Dec 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