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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB
Received 5 Aug 2024105 Attimore Road Welwyn Garden City AL8 6LG
Received 16 Jul 201910 Coulter Close, Cuffley, Potters Bar, EN6 4RR
Received 15 Oct 201416 Guessens Road Welwyn Garden City AL8 6QR
Received 28 May 202579 Sloansway Welwyn Garden City AL7 1NA
Received 14 Sept 202319 - 23 Ayot Green, Ayot St Peter, Welwyn, AL6 9BA
Received 19 Sept 201334 The Ridgeway Cuffley Potters Bar EN6 4AX
Received 21 Aug 2023Home Wood Cuffley
Received 27 May 2021Tesco Stores Ltd, Great North Road, Hatfield, AL9 5JY
Received 10 Oct 201684 Attimore Road, Welwyn Garden City, AL8 6LP
Received 16 Oct 2013Land To The West Of Ridgeway Road Ridgeway Welwyn Garden City AL7 2AA
Received 3 Jul 2026Hatfield Community Free School Briars Lane Hatfield AL10 8ES
Received 16 May 202338 Lords Wood, Welwyn Garden City, AL7 2HF
Received 14 Aug 201429 Reddings, Welwyn Garden City, AL8 7LA
Received 18 Oct 2021Holwell Court Farm Hertford Road Hatfield AL9 5RE
Received 7 Jul 20201 Claves Crescent Welwyn Garden City AL7 1WN
Received 5 May 20265 Beehive Lane, WELWYN GARDEN CITY, AL7 4BB
Received 28 Nov 201213 London Road Woolmer Green Knebworth SG3 6JE
Received 22 Mar 20178 Mandeville Rise Welwyn Garden City AL8 7JU
Received 6 Feb 2006Ringway Eurovia Depot Broadwater Road Welwyn Garden City AL7 3BQ
Received 2 Sept 202510 Jasmine Gardens Hatfield AL10 0BQ
Received 20 Oct 202283 Broomhills Welwyn Garden City AL7 1RE
Received 27 Jan 202219 Creswick Court Welwyn Garden City AL7 3SX
Received 6 Nov 201718 The Old Drive, Welwyn Garden City, AL8 6TB
Received 13 Jun 2022Records 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