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
28,664 approved · 4,780 refused · 2,191 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 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 Counts reflect the last collected status; some records may be out of date.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.
10 Bluebells Welwyn AL6 0XD
Received 6 Aug 202630 Oaklands Avenue Brookmans Park Hatfield AL9 7UJ
Received 7 Mar 2017Comet Hotel St Albans Road West Hatfield AL10 9RH
Received 18 Apr 201922-24 HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6BQ
Received 27 Jul 2004Substation at Howicks Green Welwyn Garden City AL7 4RJ
Received 13 Dec 2016WALLED GARDEN HOUSE, BEDWELL PARK, ESSENDON, HATFIELD, HERTS, AL9 6JA
Received 24 Sept 2007The Manor House Hill Farm Lane Ayot St Lawrence Welwyn AL6 9BP
Received 20 Dec 2017Tolmers Lodge Carbone Hill Northaw Hertford SG13 8RG
Received 2 Apr 20152 Hill Ley Hatfield AL10 8LX
Received 22 Jan 202012 Brockett Close Welwyn Garden City AL8 7BN
Received 2 May 2024EAST HOUSE DIGSWELL PLACE, RECTORY ROAD, WELWYN GARDEN CITY, HERTS, AL8 7SU
Received 20 Feb 2008PHASE 4, FORMER HATFIELD AERODROME, MOSQUITO WAY, HATFIELD, HERTFORDSHIRE, AL10 9DY
Received 14 May 20096 High Ridge Cuffley Potters Bar EN6 4JH
Received 21 Sept 2022Land between 48a and 50 Birchwood Close, Hatfield, AL10 0PP
Received 27 Dec 2018Garages at Branch Close Hatfield AL10 0TW
Received 2 Oct 201430 New Road Digswell Welwyn AL6 0AH
Received 19 Sept 201410 Woodland Rise, Welwyn Garden City, AL8 7LF
Received 12 May 2015Stanborough School Lemsford Lane Welwyn Garden City AL8 6YR
Received 9 Feb 2021Bessemer Road, Welwyn Garden City, AL8 7LU
Received 10 Mar 201514 Mandeville Rise Welwyn Garden City AL8 7JU
Received 25 Apr 2022LAND AT, 51 BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE
Received 22 Jan 2009Land adjacent to 45 Kentish Lane Brookmans Park Hatfield AL9 6NG
Received 24 Aug 2020The Ridges, The Ridgeway, Cuffley, Potters Bar, EN6 4BH
Received 30 Jul 2014Land at, 6 & 7 Pine Crest Welwyn AL6 0EQ
Received 26 Jan 2015Records 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
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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