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
28,940 approved · 4,813 refused · 2,214 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
6 Elmoor Avenue Welwyn AL6 9PA
Received 10 Mar 2020ALDI (FOOD STORES) LTD, UNIT 3 COMET SQUARE, HATFIELD, HERTFODSHIRE
Received 5 Nov 200762 Hill Rise Cuffley Potters Bar EN6 4RG
Received 19 Oct 2017Badger Cottage 6 Whitehill Ayot St Peter Welwyn AL6 9AF
Received 23 Nov 2017Bishops Hatfield Girls School, Woods Avenue, Hatfield, AL10 8NL
Received 22 Jan 201513 North Ride Welwyn AL6 9RD
Received 23 Dec 20245 WOODHALL LANE, WELWYN GARDEN CITY, HERTS, AL7 3TB
Received 11 Oct 20076 Great North Road Welwyn AL6 0PL
Received 20 Nov 201520 Bell Lane Brookmans Park AL9 7AY
Received 27 Feb 20249 The Commons Welwyn Garden City AL7 4RW
Received 14 Oct 201957 Great North Road Brookmans Park AL9 6LA
Received 29 Jan 202516 ROUNDWOOD DRIVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JZ
Received 12 Mar 2008Land at The Runway Hatfield AL10 9AH
Received 5 Feb 200418 Applecroft Road Welwyn Garden City AL8 6LA
Received 30 Nov 201729 Brownfields Welwyn Garden City AL7 1AN
Received 18 Mar 202152 Bridge Road Welwyn Garden City AL8 6UR
Received 4 Oct 2021University Of Hertfordshire College Lane Hatfield AL10 9AB
Received 6 May 202617 Fordwich Road Welwyn Garden City AL8 6EX
Received 3 Mar 2021LAND ADJACANT TO, 29 BEEHIVE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BJ
Received 21 Jan 2009115 Handside Lane, Welwyn Garden City, AL8 6TA
Received 4 Apr 201944 The Ridgeway Cuffley Potters Bar EN6 4BA
Received 16 Feb 2023MONKSWELL, THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTS, EN6 4BH
Received 21 May 200994 Harmer Green Lane Digswell Welwyn AL6 0EP
Received 11 Feb 201945 Pentley Park Welwyn Garden City AL8 7SF
Received 20 Oct 2005Records 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