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
28,939 approved · 4,812 refused · 2,214 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
57 Longcroft Lane, Welwyn Garden City, AL8 6EB
Received 15 Aug 201613 Elmoor Avenue Welwyn AL6 9PG
Received 30 Nov 2023LAND ADJACENT TO FLATS, 1-12 LAMBS CLOSE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4HB
Received 10 Mar 200637 Warren Way Digswell Welwyn AL6 0DQ
Received 20 Nov 20197 Swanland Road North Mymms Hatfield AL9 7TG
Received 17 May 2022Land at, The Cloisters, Welwyn Garden City, AL8 6DX
Received 21 Aug 20136 Honeycroft Welwyn Garden City AL8 6HR
Received 9 Apr 202641 Goldings Crescent Hatfield AL10 8UB
Received 6 Apr 20213A Howardsgate, Welwyn Garden City, AL8 6AL
Received 1 Jan 198821 Coltsfoot, Welwyn Garden City, AL7 3HZ
Received 30 Oct 200731 The Ridgeway, Cuffley, Potters Bar, EN6 4BB
Received 21 Feb 202061 Valley Road Welwyn Garden City AL8 7DH
Received 29 Apr 202538 Holwell Road, Welwyn Garden City, AL7 3RQ
Received 24 Dec 201563A PEPLINS WAY, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7UR
Received 16 May 200813 The Valley Green Welwyn Garden City AL8 7DQ
Received 25 Aug 202222 Elmwood Welwyn Garden City AL8 6LE
Received 12 Dec 202310 Kindersley Close Welwyn Hertfordshire AL6 9RN
Received 13 Jun 20221 Theobalds Close Cuffley Potters Bar EN6 4HH
Received 31 Jan 200729 Longcroft Lane Welwyn Garden City AL8 6EB
Received 10 Aug 2020Land south-west of Filbert Close Hatfield AL10 9SH
Received 26 Jul 2024150 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4RG
Received 1 Jul 2008Accord House, 28 Bridge Road East Welwyn Garden City AL7 1HX
Received 7 Nov 20187 Homerswood Lane, Ayot St Peter, Welwyn, AL6 9AD
Received 26 Mar 2013311 St Albans Road West Hatfield AL10 9RJ
Received 18 Dec 2017Records 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