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
28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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.
59 The Meadway Cuffley Potters Bar EN6 4ET
Received 21 Feb 2007167 Knella Road Welwyn Garden City AL7 3NT
Received 24 Jan 202069 Woodhall Lane Welwyn Garden City AL7 3TG
Received 27 Aug 202531 Middlefield Welwyn Garden City AL7 4DQ
Received 15 Mar 2021LAND AT, STATION ROAD, BROOKMANS PARK, HERTFORDSHIRE, AL9 7QX
Received 30 Sept 200414 The Drive Welwyn AL6 0TR
Received 8 Jun 201240 BELL LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AY
Received 10 Jun 200913 The Avenue Welwyn AL6 0PW
Received 6 Feb 200938 Parkway Welwyn Garden City AL8 6HQ
Received 10 Jun 20206 Kelbys Welwyn Garden City AL7 2EG
Received 19 May 2004De Havilland Campus Mosquito Way Hatfield AL10 9EU
Received 20 Jun 202424 Mornington Digswell Welwyn AL6 0AJ
Received 17 Sept 201564 Wellington Drive Welwyn Garden City AL7 2NB
Received 30 Apr 20049 BROCKETT CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BN
Received 12 Jun 200813 Rickfield Close Hatfield AL10 8RP
Received 8 Jan 202517 Barleycroft Road Welwyn Garden City AL8 6JX
Received 28 Jan 20196 Ottway Walk Welwyn AL6 9AS
Received 8 May 201539 Digswell Road Welwyn Garden City AL8 7PB
Received 13 Aug 2019Ayot Green Way, Welwyn Garden City
Received 29 Apr 20208 Wheatbarn Welwyn Garden City AL7 2BN
Received 10 Aug 2021Comet Hotel St Albans Road West Hatfield AL10 9RH
Received 18 Apr 2019193 Thistle Grove Welwyn Garden City AL7 4AG
Received 5 Jan 2021Norton Building Bridge Road East Welwyn Garden City AL7 1JR
Received 15 May 202453 Lodgefield, Welwyn Garden City, AL7 1SD
Received 26 Jun 2015Records 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