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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
27 Russellcroft Road Welwyn Garden City AL8 6QX
Received 5 Jun 20244 Digswell Hill Welwyn AL6 9AL
Received 19 Aug 20153 Walden Road Welwyn Garden City AL8 7PE
Received 2 Sept 2019542 Howlands Welwyn Garden City AL7 4ET
Received 13 May 2019AVONSERVE LIMITED, BRIDGEFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1RX
Received 28 Jan 2008Dairy Lodge Essendon Place High Road Essendon Hatfield AL9 6HU
Received 3 May 202210 Calder Avenue Hatfield AL9 7AQ
Received 12 Jan 20227 Bushey Ley, Welwyn Garden City, AL7 3EY
Received 8 Jul 200418 Guessens Road Welwyn Garden City AL8 6QR
Received 30 Nov 2018Sawmill Cottage Waterend Lane Ayot St Peter Welwyn AL6 9BB
Received 20 Sept 202222 Fearnley Road, Welwyn Garden City, AL8 6HW
Received 7 Feb 202247 Dixons Hill Close Welham Green Hatfield AL9 7EF
Received 18 Feb 202633 Chantry Lane Hatfield AL10 9HS
Received 1 Jun 201724 Melbourne Court Welwyn Garden City AL8 6LL
Received 29 Sept 20265 Bushey Close Welwyn Garden City AL7 3HD
Received 18 Jul 20181 Coopers Road Little Heath Potters Bar EN6 1JG
Received 28 Jun 201936 Theobalds Road Cuffley Potters Bar EN6 4HL
Received 31 Dec 2007The Hatfield Arms 54 Great North Road Hatfield AL9 5AE
Received 5 Mar 2025Elma House 2 Beaconsfield Close Hatfield AL10 8YG
Received 14 Feb 20067 Great North Road Welwyn Garden City AL8 7TH
Received 26 Apr 2004Former Howe Dell School Site, Old Rectory Drive, Hatfield, Herts, AL10 8AD
Received 16 Sept 200815 Birch Grove Welwyn AL6 0QP
Received 13 Mar 202443 Howardsgate Welwyn Garden City AL8 6AP (Post Office)
Received 5 Jul 202314 Mardley Dell Welwyn AL6 0UR
Received 27 Aug 2020Records 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