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
25,381 approved · 3,929 refused · 1,830 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 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 Counts reflect the last collected status; some records may be out of date.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.
11A Station Road Welham Green Hatfield AL9 7PN
Received 30 Nov 20221 Holly Hall Court Church Street Welwyn AL6 9LH
Received 15 Jan 201524 STAG GREEN AVENUE, HATFIELD, HERTFORDSHIRE, AL9 5DZ
Received 2 Dec 2009122 The Commons Welwyn Garden City AL7 4SB
Received 27 Jul 2026Welwyn Hatfield Borough Council, Campus East, The Campus, Welwyn Garden City, AL8 6AE
Received 16 Sept 2013Home Farm 6 Whitehill Welwyn AL6 9AF
Received 28 Jul 20208 Jenning Wood Welwyn AL6 0SL
Received 23 Nov 2020LAND REAR OF, 63 CALDER AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AJ
Received 2 Feb 200981 Guessens Road Welwyn Garden City AL8 6RE
Received 12 Sept 201954 Marsden Road Welwyn Garden City AL8 6XY
Received 20 Sept 201857 GREAT DELL, WELWYN GARDEN CITY, HERTS, AL8 7HP
Received 6 May 200910 Copper Beeches Welwyn AL6 0SS
Received 2 Dec 20259 Youngs Rise Welwyn Garden City AL8 6RT
Received 3 May 20181 Bushey Green, WELWYN GARDEN CITY, AL7 3HA
Received 26 Mar 201386 Town Centre Hatfield AL10 0JP
Received 5 Dec 201612 De Soissons Close, Welwyn Garden City, AL8 6YX
Received 13 Oct 2014112 Hollybush Lane Welwyn Garden City AL7 4JW
Received 6 Nov 2020LAND ADJACENT TO, 19 NORTHAW ROAD WEST, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NR
Received 12 Nov 2008UNIVERSITY OF HERTFORDSHIRE, COLLEGE LANE CAMPUS, HATFIELD, HERTFORDSHIRE, AL10 9PN
Received 23 Feb 200916 The Holdings Hatfield AL9 5HQ
Received 5 Nov 20182 Ellenbrook Lane Hatfield AL10 9SG
Received 16 Oct 2008Former City Church The Wades Hatfield AL10 8LB
Received 20 Oct 201721 Pentley Park, Welwyn Garden City, AL8 7RT
Received 21 May 201440 Parkway, Welwyn Garden City, AL8 6HQ
Received 4 Feb 2014Records 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
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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