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
29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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.
5A Oak Lane, Cuffley, Potters Bar, EN6 4JZ
Received 7 Oct 20148 The Links, Welwyn Garden City, AL8 7DS
Received 2 Aug 201660 Great Ganett Welwyn Garden City AL7 3DE
Received 19 Feb 20074 Mannicotts Welwyn Garden City AL8 7BW
Received 31 Jan 2022Welwyn 56, 57 and Codicote 45 and 46, Welwyn, Welwyn, AL6 9NS
Received 13 Aug 2014104 Parkway, Welwyn Garden City, AL8 6HL
Received 21 Jul 2014Welwyn Garden City Campus Oaklands College, The Campus, Welwyn Garden City, AL8 6AH
Received 14 Oct 20142 Turmore Dale Welwyn Garden City AL8 6HS
Received 27 Aug 20215 Parkway Close Welwyn Garden City AL8 6HJ
Received 23 Jul 20195 Hook Lane Northaw Potters Bar EN6 4DA
Received 27 Nov 2024LAND TO THE REAR OF, 44-46 HILL RISE, CUFFLEY, POTTERS BAR, EN6 4EJ
Received 6 Aug 200815 MARLEY ROAD, WELWYN GARDEN CITY, HERTFORSHIRE, AL7 4BT
Received 23 Sept 2009Land off Booths Close Holloways Lane Welham Green Hatfield AL9 7NW
Received 7 Dec 202283 Broomhills Welwyn Garden City AL7 1RE
Received 28 Jan 202258-60 BRIDGE ROAD EAST, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1JU
Received 17 Mar 200610 Digswell Road, Welwyn Garden City, AL8 7PA
Received 27 Feb 2014117 Birchwood Avenue Hatfield AL10 0PT
Received 10 Dec 2020102 Harmer Green Lane Digswell Welwyn AL6 0ES
Received 22 Jun 202023 Kingswell Ride Cuffley Potters Bar EN6 4LH
Received 3 Jul 200720 Upland Drive Brookmans Park Hatfield AL9 6PT
Received 25 Jul 201741 High Street Welwyn AL6 9EF
Received 14 Jan 202582 Great North Road Hatfield AL9 5BL
Received 30 Oct 201956 Attimore Road Welwyn Garden City AL8 6LP
Received 30 Aug 202213 Beechfield Road Welwyn Garden City AL7 3RG
Received 31 Aug 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.

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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