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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
24 Link Walk Hatfield AL10 8TS
Received 19 Apr 20185 Barley Croft 57 London Road Woolmer Green Knebworth SG3 6HY
Received 18 Aug 20159 Theobalds Road Cuffley Potters Bar EN6 4HQ
Received 28 Mar 200714 & 16 Bishops Rise Hatfield AL10 9HB
Received 21 Feb 201819 Woodland Way Welwyn AL6 0RX
Received 17 Nov 2016318 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NQ
Received 15 Feb 20084 Meadow Green, Welwyn Garden City, AL8 6SS
Received 10 May 2016110 Parkway Welwyn Garden City AL8 6HN
Received 3 Apr 201821 High Oaks Road Welwyn Garden City AL8 7BJ
Received 27 Nov 202525 Woodside Road Digswell Welwyn AL6 0DS
Received 19 Nov 2015Mercury House 1 Broadwater Road Welwyn Garden City AL7 3BQ
Received 24 Jan 2018St Marys Church Church Street Welwyn AL6 9LX
Received 11 Nov 201435 Great Ley, Welwyn Garden City, AL7 4TJ
Received 25 Mar 20143 Buttercup Close Hatfield AL10 9FH
Received 14 Jul 2020University Of Hertfordshire College Lane Hatfield AL10 9AB
Received 27 Apr 20178 Great North Road Welwyn AL6 0PL
Received 1 May 2009Land at Waterbeach, Bericot Way and Shackleton Way Welwyn Garden City AL7 2PT
Received 25 Feb 202234 Vineyards Road Northaw Potters Bar EN6 4PA
Received 3 Mar 202210 OLD FRENCH HORN LANE, HATFIELD, HERTFORDSHIRE, AL10 8AJ
Received 17 Oct 200747 Mymms Drive, Hatfield, AL9 7AE
Received 15 May 201521 Birdcroft Road Welwyn Garden City AL8 6EH
Received 17 Jan 202525 PARK STREET, HATFIELD, HERTFORDSHIRE, AL9 5AT
Received 28 Jul 200921 Mornington Digswell Welwyn AL6 0AJ
Received 26 Jul 2017144 Oakdale Welwyn Garden City AL8 7QT
Received 27 Aug 2025Records 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