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
28,878 approved · 4,801 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 4 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 Counts reflect the last collected status; some records may be out of date.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.
2 Valley Road, Welwyn Garden City, AL8 7DF
Received 6 Sept 200467 Mymms Drive, Hatfield, AL9 7AA
Received 16 Apr 20156 The Brambles Welwyn AL6 0PG
Received 7 Jan 202156 Bridge Road, Welwyn Garden City, AL8 6UR
Received 28 Oct 2014338 Knightsfield Welwyn Garden City AL8 7NQ
Received 9 Nov 202123 Mymms Drive Brookmans Park AL9 7AE
Received 21 Nov 202421 Uplands Welwyn Garden City AL8 7EN
Received 10 Mar 200416 Great North Road Welwyn AL6 0PL
Received 19 Apr 2022Mercury House 1 Broadwater Road Welwyn Garden City AL7 3BQ
Received 17 May 2018Eight Bells 2 Park Street Hatfield AL9 5AX
Received 1 Feb 20217 & 8 The Valley Green, Welwyn Garden City, AL8 7DQ
Received 23 Jun 201649 Howlands Welwyn Garden City AL7 4RA
Received 6 Aug 2021PANSHANGER GOLF CLUB, OLD HERNS LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2ED
Received 18 Sept 2009G T TOWING, Great North Road, Hatfield, AL9 5SD
Received 27 Aug 201312 Marsden Road Welwyn Garden City AL8 6XZ
Received 8 Dec 20211 Ruins Cottages Hill Farm Lane Ayot St Lawrence Welwyn AL6 9BU
Received 22 May 200912 Canonsfield Welwyn Hertfordshire AL6 0QD
Received 28 Feb 202252 Carleton Rise Welwyn AL6 9RG
Received 4 Jun 201813 Stag Green Avenue Hatfield AL9 5EB
Received 3 Feb 202144 Longcroft Gardens Welwyn Garden City AL8 6JR
Received 2 Jul 2004103 Ridgeway, Welwyn Garden City, AL7 2DB
Received 27 Mar 200614 Wellington Drive Welwyn Garden City AL7 2NJ
Received 6 Sept 2018LAND AT JUNCTION OF, SWANLEY BAR LANE AND A1000, POTTERS BAR, HERTFORDSHIRE, AL9 6LB
Received 9 Jul 200423 Burrowfield, Welwyn Garden City, AL7 4SS
Received 5 Nov 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