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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
46 The Common, Hatfield, AL10 0LU
Received 13 Aug 20133 High Grove Welwyn Garden City AL8 7DW
Received 10 Jan 202074 Digswell Park Road Welwyn Garden City AL8 7NS
Received 3 Jul 20188 Heathcote Avenue Hatfield AL10 0RH
Received 1 Apr 201910 Briary Wood End Welwyn AL6 0TD
Received 19 Sept 202458 Guessens Road, Welwyn Garden City, AL8 6RH
Received 15 Jan 201420 Rosedale, Welwyn Garden City, AL7 1DR
Received 18 Apr 200411A High Street Welwyn AL6 9EE
Received 29 Nov 20191 Melbourne Court Welwyn Garden City AL8 6LL
Received 8 Sept 202222 Coneydale, Welwyn Garden City, AL8 7RZ
Received 23 Mar 201511 The Gardens Hatfield AL9 7UL
Received 13 May 202133 Woodland Rise, Welwyn Garden City, AL8 7LJ
Received 17 Sept 2014SOUTH LODGE, LOWER WOODSIDE, Woodside Lane, Hatfield, AL9 6DH
Received 20 Jul 200974 Woodhall Lane Welwyn Garden City AL7 3TF
Received 12 Apr 2021128 Handside Lane Welwyn Garden City AL8 6SZ
Received 24 Jan 20191 Roe Green Close Hatfield AL10 9PD
Received 28 Sept 202050 Harmer Green Lane Digswell Welwyn AL6 0AT
Received 23 Aug 201623 Great North Road Brookmans Park Hatfield AL9 6LB
Received 12 Aug 20139 PITSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7SJ
Received 4 Sept 2008100 Chelwood Avenue Hatfield AL10 0RE
Received 16 Nov 2021Essendon Country Club Bedwell Park Essendon Hatfield AL9 6HN
Received 27 Dec 201818 Camfield Welwyn Garden City AL7 4ED
Received 4 Apr 202311 Mardley Wood Welwyn AL6 0UY
Received 11 Aug 20226 Calder Avenue Brookmans Park Hertfordshire AL9 7AQ
Received 3 Feb 2023Records 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