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
28,771 approved · 4,794 refused · 2,199 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 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 Counts reflect the last collected status; some records may be out of date.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.
LAND AT, MUNDELLS INDUSTRIAL CENTRE, LITTLE MUNDELLS, WELWYN GARDEN CITY, HERTS, AL7 1EW
Received 17 Feb 200918 Walden Road Welwyn Garden City AL8 7PF
Received 4 May 201734 Crawford Road Hatfield AL10 0PE
Received 8 Nov 2019Southern end of Starling Lane to meet Oak Lane and Tolmers Road
Received 18 Jul 201775 HERNS LANE, WELWYN GARDEN CITY, HERTS, AL7 2AQ
Received 12 Jan 20102ND FLOOR, CULPITT HOUSE, 74-78 TOWN CENTRE, HATFIELD, HERTFORDSHIRE, AL10 0JW
Received 9 Jan 200915 Broadfield Place Welwyn Garden City AL8 6LJ
Received 30 Mar 20221 Walnut House Walnut Grove Welwyn Garden City AL7 4EX
Received 2 Feb 201647 Pentley Park Welwyn Garden City AL8 7SF
Received 9 Aug 202445 Fordwich Road Welwyn Garden City AL8 6EY
Received 24 Nov 2022A1 Connect Industrial Estate Cole Green Lane Welwyn Garden City AL7 4FW
Received 10 Feb 202313 Elmoor Avenue Welwyn AL6 9PG
Received 6 Jan 2021THE FORGE, 5 BELL LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AY
Received 20 Sept 200751 Springfields Welwyn Garden City AL8 6XT
Received 28 Jul 202236 Attimore Road Welwyn Garden City AL8 6LP
Received 3 Jan 201911 Hunsdon Welwyn Garden City AL7 2PN
Received 11 May 20078 Bridge Road Woolmer Green Knebworth SG3 6JG
Received 31 Aug 200748 Springfields Welwyn Garden City AL8 6XN
Received 9 Aug 2023Land adjacent to 51 Great North Road Stanborough AL8 7TJ
Received 4 Apr 202530 Barleycroft Road Welwyn Garden City AL8 6JU
Received 11 Jun 2024122 Parkway Welwyn Garden City AL8 6HN
Received 21 Mar 2018196 Blythway Welwyn Garden City AL7 1DU
Received 27 May 202016 Dellcott Close, Welwyn Garden City, AL8 7BD
Received 1 Jan 1988Land between 9-11 Tubbs Croft Welwyn Garden City
Received 26 Mar 2007Records 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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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