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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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.
Great Nast Hyde House Wilkins Green Lane Hatfield AL10 9RB
Received 24 Jul 201863 PEPLINS WAY, BROOKMANS PARK, HERTFORDSHIRE, AL9 7UR
Received 18 May 200922 Homestead Lane Welwyn Garden City AL7 4LU
Received 16 Aug 2008CAMPUS WEST CAR PARK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6BX
Received 12 Jan 200931 Salisbury Square Hatfield AL9 5JD
Received 10 Jan 201729 Haltside Hatfield AL10 9SW
Received 29 May 2020Skyborne 21 Kentish Lane Hatfield AL9 6NG
Received 21 Feb 20201 Templewood Welwyn Garden City AL8 7HT
Received 23 Oct 2023Stocking Lane, Cottage Hill Farm Lane, Welwyn, AL6 9BW
Received 23 Sept 201519 Edgars Court Welwyn Garden City AL7 3SR
Received 14 Apr 20254 Youngs Rise, WELWYN GARDEN CITY, AL8 6RU
Received 5 Dec 201210 Oaklea Welwyn AL6 0PU
Received 10 Sept 2007111 The Ridgeway Cuffley Potters Bar EN6 4BG
Received 7 Jul 2025130 Longcroft Lane, Welwyn Garden City, AL8 6EN
Received 13 Dec 200720 Fordwich Road Welwyn Garden City AL8 6EY
Received 7 Aug 20152 Heathbrow Road Welwyn AL6 0QG
Received 10 Aug 200762 New Road Digswell Welwyn AL6 0AN
Received 19 Dec 20131 Theobalds Close Cuffley Potters Bar EN6 4HH
Received 6 Feb 200729 The Paddocks Welwyn Garden City AL7 2BW
Received 14 Jan 202224 Guessens Road, Welwyn Garden City, AL8 6RA
Received 31 Mar 2023Duncan Print And Packaging Ltd Mundells Welwyn Garden City AL7 1EU
Received 12 Jan 202231 Digswell Road, Welwyn Garden City, AL8 7PB
Received 19 Jun 2013Land & Buildings on the West side of Travellers Lane Welham Green Hatfield AL9 7HF
Received 29 Sept 20258 The Valley Green Welwyn Garden City AL8 7DQ
Received 22 Nov 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.

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Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

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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