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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
Clock House Gardens Welwyn AL6 9FQ
Received 18 Oct 2023Council owned bungalows in Lumbards, Rowans, Eastor, Swanhill, Flexley Wood, Crookhams Welwyn Garden City
Received 2 Jul 20254 New Park Road Newgate Street Hertford Hertfordshire SG13 8RF
Received 1 Dec 202245 Holloways Lane, Welham Green, Hatfield, AL9 7NR
Received 4 Mar 2014479 Howlands Welwyn Garden City AL7 4HP
Received 6 Mar 2023Plot 5000, Mosquito Way, Hatfield, AL10 9WN
Received 8 Jun 201816 Elm Gardens Welwyn Garden City AL8 6RY
Received 18 Jul 2022Unit 3, Woodside Lane, Hatfield, AL9 6DE
Received 27 Apr 201616 Pitsfield Welwyn Garden City AL8 7SJ
Received 21 Apr 2023St Michaels Woolmer Green School 12 London Road Woolmer Green Knebworth SG3 6JP
Received 26 Apr 201315 Bennett Close Welwyn Garden City AL7 4JA
Received 29 Jun 2023Land at, 2 Whitehill, Ayot St Peter, Welwyn, AL6 9AF
Received 2 Apr 20143 Homerfield Welwyn Garden City AL8 6QZ
Received 9 Aug 2019Orchard Lawn Tennis Club Blakemere Road Welwyn Garden City AL8 7PQ
Received 4 Feb 202642 Rooks Hill Welwyn Garden City AL8 6ET
Received 26 Jul 2018Land at Waterbeach Bericot Way and Shackleton Way Welwyn Garden City AL7 2PT
Received 4 Mar 20195 Reddings, Welwyn Garden City, AL8 7LA
Received 25 Feb 201523 FORDWICH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EX
Received 26 Sept 200842 Digswell Rise Welwyn Garden City AL8 7PW
Received 3 Sept 201811 Bennett Close, WELWYN GARDEN CITY, AL7 4JA
Received 6 Dec 2012Welwyn Garden Hebrew Congregation Synagogue Barn Close Welwyn Garden City AL8 6ST
Received 30 Jan 2023St Francis Church, Church Road, Welwyn Garden City, AL8 6QJ
Received 20 Jan 20153 The Holdings Hatfield AL9 5HH
Received 28 Jan 202550 Bradgate, Cuffley, Potters Bar, EN6 4SF
Received 23 Dec 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
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