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
27,468 approved · 4,572 refused · 2,086 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 26 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 Counts reflect the last collected status; some records may be out of date.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.
Elizabeth House Elizabeth Close Welwyn Garden City AL7 2JB
Received 19 Feb 2026217 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TF
Received 2 Feb 20099 Scotts View Welwyn Garden City AL8 6HF
Received 23 Dec 2016Hitchins Yard, West End Lane, Essendon, Hatfield, AL9 6AT
Received 8 Jul 201452 Reynards Road Welwyn AL6 9TP
Received 10 May 20192 St Johns Close Welwyn AL6 9RB
Received 28 Sept 20238 Woodman Close, Welwyn Garden City, AL7 3HU
Received 5 Jul 2013North Lodge, Holwell Court, Hertingfordbury, Hatfield, AL9 5RL
Received 19 Mar 201519 Attimore Close Welwyn Garden City AL8 6LN
Received 8 Sept 202229 Warren Close, Hatfield, AL10 0AL
Received 17 Mar 2015Presbytery 141 Woodhall Lane Welwyn Garden City AL7 3TP
Received 7 Nov 2019The Firs Park Woodside Lane Hatfield AL9 6DG
Received 22 Apr 2025189 Handside Lane Welwyn Garden City AL8 6TE
Received 5 Apr 2017Northaw Brook Meadow, Coopers Lane Road, Northaw, Potters Bar, EN6 4FB
Received 10 Sept 2014118 Hawkshead Road, Little Heath, Potters Bar, EN6 1NG
Received 27 Mar 2014323 St Albans Road West Hatfield AL10 9RJ
Received 23 Jul 202010 Great North Road Welwyn AL6 0PL
Received 30 Mar 20216 Honeycroft Welwyn Garden City AL8 6HR
Received 17 May 2018Marks and Spencer Distribution Centre, Travellers Lane, Welham Green, Hatfield, AL10 8XB
Received 18 Jul 2018225 Heronswood Road, Welwyn Garden City AL7 3JH
Received 11 Aug 201810 Mannicotts Welwyn Garden City AL8 7BW
Received 30 Jul 202525 Beehive Lane, WELWYN GARDEN CITY, AL7 4BB
Received 8 May 2013108 HOLLYBUSH LANE, WELWYN GARDEN CITY, HERTS, AL7 4JW
Received 24 Jan 2008Queen Victoria Memorial Hospital 73 School Lane Welwyn AL6 9PW
Received 25 Jun 2009Records 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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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.
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