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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
9 Moorside, WELWYN GARDEN CITY, AL7 4QH
Received 23 Apr 201385 Chelwood Avenue Hatfield AL10 0RF
Received 24 Apr 202453 Dragon Road Hatfield AL10 9LY
Received 10 Oct 2014330 Knightsfield, Welwyn Garden City, AL8 7NQ
Received 6 Mar 201525 Woodland Rise Welwyn Garden City AL8 7LJ
Received 7 Jan 2025The Hope And Anchor 2 Station Road Welham Green Hatfield AL9 7PJ
Received 23 Apr 2018The Cottage Oshwal Centre Coopers Lane Road Northaw Potters Bar EN6 4DG
Received 20 Feb 202360 Bushey Ley, Welwyn Garden City, AL7 3HN
Received 21 Aug 20139 High Oaks Road, Welwyn Garden City, AL8 7BJ
Received 23 Sept 201661 Bridge Road East Welwyn Garden City AL7 1JR
Received 18 Nov 201615 Rectory Close, Essendon, HATFIELD, AL9 6HG
Received 29 Mar 2013150 Heronswood Road, Welwyn Garden City, AL7 3EU
Received 18 Feb 201539 Rosedale Welwyn Garden City AL7 1DW
Received 8 Nov 2018217 Handside Lane Welwyn Garden City AL8 6TF
Received 28 Apr 202152 Great North Road Welwyn Garden City AL8 7TL
Received 9 Jun 2004The Carriage House 8 Codicote Road Welwyn AL6 9NB
Received 17 Sept 201325 Mandeville Rise, Welwyn Garden City, AL8 7JT
Received 11 Mar 20149, 11, and 22-36 (even) Leefield, Welwyn Garden City, AL7 2FB
Received 20 Oct 20235 Moorside Welwyn Garden City AL7 4QH
Received 1 Mar 200721E Canonsfield Welwyn AL6 0QB
Received 10 Nov 201414 Brocket Road Welwyn Garden City AL8 7TY
Received 12 Feb 20193 Mill Green Cottages Mill Green Bush Hall Lane Hatfield AL9 5PB
Received 27 Jul 202023 Woodlands Brookmans Park Hatfield AL9 7AN
Received 9 Jun 201798-102 Great North Road Hatfield AL9 5DB
Received 22 Aug 2017Records 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