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
28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
Tesco Stores Ltd, Oldings Corner, Hatfield, AL9 5JP
Received 22 May 2014The Grange 3 Codicote Road Welwyn AL6 9LY
Received 15 Apr 2024Land adjacent to, 71 Station Road, Cuffley, Potters Bar, EN6 4EU
Received 20 Nov 2014YMCA 90 Peartree Lane Welwyn Garden City AL7 3UL
Received 14 Nov 202434 Blakemere Road Welwyn Garden City AL8 7PJ
Received 10 May 20041-11, 12-23, 24-34, 35-45 Corners Welwyn Garden City AL7 1RL
Received 22 Sept 201769 Rosedale Welwyn Garden City AL7 1DP
Received 2 May 201814A Woodside Road Digswell Welwyn AL6 0DR
Received 28 Jul 201559 Bradmore Green Hatfield AL9 7QS
Received 15 Dec 202237 Codicote Road Welwyn AL6 9TT
Received 24 Mar 20222 Bracken Lane Welwyn AL6 0RB
Received 13 Jul 202645 Pentley Park, Welwyn Garden City, AL8 7SF
Received 25 Mar 200411 Colgrove Welwyn Garden City AL8 6HY
Received 1 Aug 201710 Woodland Rise, Welwyn Garden City, AL8 7LF
Received 9 Apr 2014Hill-Top Neighbourhood Centre Hatfield AL10 8HZ
Received 29 Jun 2021The Spinney Tylers Causeway Newgate Street Hertford SG13 8QN
Received 19 Jun 2018BROCKSWOOD CORNER, BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BG
Received 12 Feb 200991 Brookmans Avenue Hatfield AL9 7QG
Received 13 Apr 202312 THE ORCHARD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PL
Received 6 Aug 200928 Beehive Lane Welwyn Garden City AL7 4BQ
Received 2 Aug 202213 Stacklands Welwyn Garden City AL8 6XW
Received 26 Apr 2004Homebase Oldings Corner Retail Park Hatfield AL9 5JY
Received 13 Feb 20155 Mandeville Rise Welwyn Garden City AL8 7JT
Received 25 Sept 20258 Bluebells Welwyn AL6 0XD
Received 21 Sept 2016Records 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.

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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