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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
5 Beehive Lane Welwyn Garden City AL7 4BB
Received 16 Apr 2024196 Boundary Lane Welwyn Garden City AL7 4DF
Received 4 Mar 20221 Howicks Green Welwyn Garden City AL7 4RJ
Received 30 May 20191 Dixons Hill Close, Welham Green, Hatfield, AL9 7EF
Received 28 Feb 201453 Northaw Road East Cuffley Potters Bar EN6 4LU
Received 30 Jan 2025Old Hall Farm Cottage Hill Farm Lane Welwyn AL6 9BW
Received 3 Mar 200633 The Avenue Welwyn AL6 0PW
Received 8 Aug 202275 Oaklands Avenue Brookmans Park Hertfordshire AL9 7UH
Received 21 Mar 202277 Cranfield Crescent Cuffley Potters Bar EN6 4DZ
Received 27 Aug 2024Skyborne 21 Kentish Lane Hatfield AL9 6NG
Received 23 Aug 202119 WOODLAND RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LJ
Received 7 Oct 20081 Reynards Road Welwyn AL6 9TR
Received 18 Feb 202140 Twin Foxes Woolmer Green Knebworth SG3 6QT
Received 30 Jul 20154 HANDSIDE CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SR
Received 24 Dec 20096 GRAYSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BL
Received 12 Feb 2008Campus East Car Park College Way Welwyn Garden City AL8 6DG
Received 9 Dec 20225 The Reeds, Welwyn Garden City, AL7 3BN
Received 10 Feb 20045 Firbank Barn Close Welwyn Garden City AL8 6SU
Received 22 Aug 2017Bridge Road East / Tewin Road, Welwyn Garden City
Received 11 Mar 198826 Ayot Green, Ayot St Peter, Welwyn, AL6 9AB
Received 23 Dec 201414 Moorend Welwyn Garden City AL7 4QL
Received 30 Jun 2026ATS Euromaster, 17 Tewin Road, WELWYN GARDEN CITY, AL7 1BD
Received 4 Jun 201336 Mountway Close Welwyn Garden City AL7 4JZ
Received 14 Feb 20244 Bluebridge Avenue, Brookmans Park, Hatfield, AL9 7RZ
Received 19 May 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