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28,934 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
18 Wilkins Grove Welwyn Garden City AL8 6JS
Received 31 Mar 20203 Holme Close Hatfield AL10 9LQ
Received 6 Nov 20181A Adele Avenue Digswell Welwyn AL6 0AU
Received 14 Apr 2016Gosmore Brocket Road Welwyn Garden City AL8 7TT
Received 27 Aug 202665 Lemsford Lane, WELWYN GARDEN CITY, AL8 6YN
Received 26 Nov 201214 Howlands Welwyn Garden City AL7 4RD
Received 27 Jan 201724 Barleycroft Road Welwyn Garden City AL8 6JU
Received 4 Jun 202024 The Gardens Brookmans Park Hatfield AL9 7UL
Received 1 Feb 202122 Selwyn Drive Hatfield AL10 9NJ
Received 22 Mar 202115 Fearnley Road Welwyn Garden City AL8 6HW
Received 13 Sept 2022104 Mill Green Road Welwyn Garden City AL7 3XE
Received 1 Jun 2015Salisbury Square Hatfield AL9 5AF
Received 3 Sept 201514 Moorend Welwyn Garden City AL7 4QL
Received 14 Sept 202039 Beechfield Road Welwyn Garden City AL7 3RG
Received 11 Apr 201715 Glebe Road Welwyn AL6 9PB
Received 22 May 201949 Rowans Welwyn Garden City AL7 1NZ
Received 24 Aug 202048 Calder Avenue Brookmans Park Hatfield AL9 7AG
Received 23 Mar 200458 NEW PARK ROAD, NEWGATE STREET, HERTFORD, HERTFORDSHIRE, SG13 8RF
Received 10 Jul 200827 Dellcott Close Welwyn Garden City AL8 7BB
Received 21 Jul 201769 Crawford Road Hatfield AL10 0PF
Received 13 Feb 200421 Theobalds Road Cuffley Potters Bar Hertfordshire EN6 4HQ
Received 21 Mar 2023Junction of Great North Road and, Swanley Bar Lane, Little Heath, Potters Bar, EN6 1NX
Received 31 Jan 201445 Hill Rise Cuffley Potters Bar EN6 4EH
Received 6 Sept 201969 Digswell Rise Welwyn Garden City AL8 7PT
Received 19 Jan 2021Records 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