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
28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 Mount Pleasant Close Hatfield AL9 5BZ
Received 18 Mar 20212 Hill Rise Cuffley Potters Bar EN6 4EE
Received 26 May 20231 Beehive Lane Welwyn Garden City AL7 4BA
Received 22 May 20185 Mandeville Rise Welwyn Garden City AL8 7JT
Received 15 Jan 201935 Mardley Wood Welwyn AL6 0UY
Received 31 May 2013LOCAL, 43 COLE GREEN LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3PP
Received 8 Jan 20095 Sherrards Mews Rectory Road Welwyn Garden City AL8 7AX
Received 5 Jan 2026Comet Hotel St Albans Road West Hatfield AL10 9RH
Received 7 Oct 2021215 Knightsfield, Welwyn Garden City, AL8 7QL
Received 11 Dec 201313 Stonehills Welwyn Garden City AL8 6ND
Received 22 Jul 2019Old Maypole House 43 Warrengate Road North Mymms Hatfield AL9 7TT
Received 24 Oct 2024Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR
Received 13 Oct 202611 Handside Lane Welwyn Garden City AL8 6SE
Received 9 Apr 201936 Hyde Way Welwyn Garden City AL7 3AE
Received 12 Mar 201849 Brockswood Lane, Welwyn Garden City, AL8 7BU
Received 18 Oct 201352 & 54 Bridge Road, Welwyn Garden City, AL8 6UR
Received 14 Nov 20142 The Gardens Brookmans Park Hatfield AL9 7UL
Received 12 Feb 20214 Dognell Green, Welwyn Garden City, AL8 7BL
Received 7 Sept 201615 Whitehill Cottages Whitehill Welwyn AL6 9AE
Received 13 May 2021The Birches School Lane Essendon Hatfield AL9 6HD
Received 19 Aug 2019Queen Elizabeth II Hospital, Howlands, Welwyn Garden City, AL7 4HQ
Received 4 May 2016127 Sweet Briar Welwyn Garden City AL7 3EB
Received 1 Aug 202473 Raymonds Plain Welwyn Garden City AL7 4TE
Received 3 Aug 20044 Otter Gardens Hatfield AL10 8PN
Received 20 Dec 2019Records 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