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
28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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.
15 Brookside Crescent Cuffley Potters Bar EN6 4QW
Received 17 Aug 2007Farmleigh Berkhamsted Lane Essendon Hatfield AL9 6JS
Received 24 May 2022Red Lion Hotel 88 Great North Road Hatfield AL9 5EU
Received 28 Aug 201417 Monks Rise Welwyn Garden City AL8 7NF
Received 9 Oct 201919 Scholars Mews, Welwyn Garden City, AL8 7JQ
Received 9 Jun 201415-17 Newgate Street Village, Hertford, SG13 8RA
Received 4 Feb 201948 Woods Avenue Hatfield AL10 8NA
Received 21 Dec 2023Greenacres 5 Pottersheath Road Welwyn AL6 9SY
Received 2 Mar 2006FORMER CRESWICK JMI SCHOOL SITE, HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE
Received 9 Feb 200486 Tolmers Road Cuffley Potters Bar EN6 4JY
Received 19 May 2006Ayot Farm Bibbs Hall Lane Ayot St Lawrence AL6 9BY
Received 18 Jun 2025111 INGLES, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7HF
Received 4 Mar 20086 Mary Proud Court Oak Piece Welwyn AL6 0XG
Received 28 Jul 202511 Brickfield Hatfield AL10 8TN
Received 10 Aug 2007Groundwork East Mill Green Hertford Road Hatfield AL9 5PE
Received 1 Apr 2020109 Parkway, Welwyn Garden City, AL8 6JD
Received 25 Jun 201341 Hawbush Rise Welwyn AL6 9PR
Received 8 Dec 202131 Maryland, Hatfield, AL10 8DY
Received 25 Oct 20166 High Oaks Road Welwyn Garden City AL8 7BH
Received 14 Sept 20186 Scarff Close Welwyn Hertfordshire AL6 0SZ
Received 17 May 202326 Pentley Park, Welwyn Garden City, AL8 7SB
Received 1 Aug 201419 Mandeville Rise Welwyn Garden City AL8 7JT
Received 11 May 20188 The Limberlost Welwyn AL6 9TS
Received 29 Jun 20094 Pentley Park Welwyn Garden City AL8 7RU
Received 27 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