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
28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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.
14 Great North Road Welwyn AL6 0PL
Received 26 Feb 200884 High Dells Hatfield AL10 9HU
Received 4 May 201824 Mill Lane Welwyn AL6 9ET
Received 7 Feb 20183 Willow Grove Welwyn Garden City AL8 7NA
Received 10 Mar 20203 Youngs Rise Welwyn Garden City AL8 6RT
Received 29 Jul 202628 Canonsfield Road Welwyn AL6 0QH
Received 4 Aug 20147 Reddings Welwyn Garden City AL8 7LA
Received 19 Jun 2020Videne Hawkshead Road Little Heath Potters Bar EN6 1LX
Received 10 Jul 202422 Newfields, Welwyn Garden City, AL8 6YT
Received 25 Jun 2007225 Handside Lane, Welwyn Garden City, AL8 6TF
Received 18 Jul 2013Northaw Equestrian Centre Northaw Road West Northaw Potters Bar EN6 4NT
Received 29 May 2015Little Guessens 6 Codicote Road Welwyn Hertfordshire AL6 9NB
Received 4 Jul 202214 The Reeds Welwyn Garden City AL7 3BN
Received 16 Aug 2022Land at Oakleigh Farm Industrial Estate Codicote Road Welwyn AL6 9TY
Received 2 Nov 2023Former Public House 59 Station Road Cuffley Potters Bar EN6 4HX
Received 22 Jun 20072 Thumbswood Welwyn Garden City AL7 4QE
Received 25 Nov 202048 BEEHIVE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BP
Received 27 May 2009The Barn 5 Lysley Place Brookmans Park Hatfield AL9 6NZ
Received 7 Dec 2018310 Knightsfield Welwyn Garden City AL8 7NQ
Received 28 Jan 20251 Maynard Place Cuffley Potters Bar EN6 4JA
Received 25 Jul 202351 Kentish Lane Brookmans Park Hatfield AL9 6NG
Received 29 Mar 2021Land to the north east of King George V Playing Fields Northaw Road East Cuffley EN6 4RD
Received 20 Apr 202311A Swanhill Welwyn Garden City AL7 1PB
Received 21 Oct 2026The Stables, Station Road, Brookmans Park, AL9 7SE
Received 25 Oct 2013Records 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