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
28,804 approved · 4,796 refused · 2,203 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 Oct 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 Counts reflect the last collected status; some records may be out of date.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.
107 Hatfield Road Little Heath Potters Bar EN6 1HZ
Received 9 May 20185 Mandeville Rise Welwyn Garden City AL8 7JT
Received 14 Nov 2022128 Howlands Welwyn Garden City AL7 4RG
Received 8 Oct 20215 Home Farm Cottages Ponsbourne Park Newgate Street Hertford SG13 8QT
Received 12 Dec 201932 Pine Grove Brookmans Park AL9 7BS
Received 28 Jun 202419-25 Andre House Suite C Salisbury Square Hatfield AL9 5BT
Received 20 Sept 2023Great Nast Hyde House Wilkins Green Lane Hatfield AL10 9RB
Received 3 Aug 201733 Station Road Welham Green Hatfield AL9 7PF
Received 2 Apr 200711 Mannicotts Welwyn Garden City AL8 7BW
Received 25 Jul 202530 Youngs Rise, Welwyn Garden City, AL8 6RU
Received 29 Mar 202256 Hertford Road Digswell Welwyn AL6 0BX
Received 30 Nov 201540 Parkside Welwyn AL6 9DQ
Received 23 May 200719 Russellcroft Road, Welwyn Garden City, AL8 6QX
Received 2 Nov 20162 Reddings Welwyn Garden City AL8 7LA
Received 16 May 201315 Hanyards Lane Cuffley Potters Bar EN6 4AT
Received 18 Oct 2021Welwyn Hatfield Borough Council, The Campus, Welwyn Garden City, AL8 6AE
Received 4 Apr 20148 Poplar Avenue, Hatfield, AL10 9SF
Received 26 Sept 201411 Cranborne Road Hatfield AL10 8AW
Received 4 Sept 2020Sienna House 8 Brownfields Court Brownfields AL7 1AJ
Received 6 Nov 20199 MARKET PLACE, HATFIELD, HERTFORDSHIRE, AL10
Received 27 Feb 2008Land north of the Meadway Cuffley Potters Bar EN6 4ET
Received 28 May 20256 The Lawns, Welwyn Garden City, AL8 7HU
Received 10 Mar 2014Meadow Croft Great North Road Hatfield AL9 6DB
Received 22 Aug 2023Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL8 6UN
Received 10 Nov 2025Records 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