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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 8 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 Counts reflect the last collected status; some records may be out of date.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.
7 Elmoor Close Welwyn AL6 9PF
Received 29 Jul 20262 King James Avenue Cuffley Potters Bar Hertfordshire EN6 4LR
Received 24 Feb 20224 Mardley Dell Welwyn AL6 0UR
Received 3 May 201674 Brocket Road Welwyn Garden City AL8 7TU
Received 25 Oct 20183 The Valley Green Welwyn Garden City AL8 7DQ
Received 15 Sept 202024 St Audreys Green Welwyn Garden City AL7 3RT
Received 19 Jun 20256 Whitethorn Welwyn Garden City AL7 3EX
Received 22 Jan 2019The Howard Centre Units 12 And 12a Howardsgate Welwyn Garden City AL8 6HA
Received 30 Jun 20254 London Road Welwyn AL6 9EL
Received 18 Nov 201932 Attimore Road Welwyn Garden City AL8 6LP
Received 25 May 200664 Newfields Welwyn Garden City AL8 6YT
Received 6 Sept 202111 Elm Drive Hatfield AL10 8NR
Received 15 Aug 20176 Shrublands, Brookmans Park, Hatfield, AL9 7AL
Received 22 Mar 201331 Bluebridge Road Brookmans Park Hatfield AL9 7UW
Received 10 Jul 2007Grange of Welwyn Great North Road Welwyn Garden City AL8 7TQ
Received 22 Feb 200720 Guessens Road, Welwyn Garden City, AL8 6RA
Received 19 Mar 20074 The Close Brookmans Park Hatfield AL9 7QN
Received 18 Mar 201914 Wilga Road, WELWYN, AL6 9PS
Received 29 May 201311 Bennett Close, WELWYN GARDEN CITY, AL7 4JA
Received 22 May 201334 Somers Road, Welham Green, HATFIELD, AL9 7PX
Received 7 Jun 201312 PLOUGH HILL, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4DR
Received 21 Jun 20086 Densley Close, Welwyn Garden City, AL8 7JX
Received 14 Jul 202251 Peplins Way Hatfield AL9 7UR
Received 16 Jun 202048 Springfields Welwyn Garden City AL8 6XN
Received 21 Jun 2024Records 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