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
28,972 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
24 Selwyn Avenue Hatfield AL10 9NP
Received 10 May 2024Cuffley Camp Outdoor Centre Carbone Hill Northaw Potters Bar EN6 4PR
Received 4 Mar 201924 High Oaks Road, Welwyn Garden City, AL8 7BH
Received 2 Jul 2013RAYBROOK FARM, BLUEBRIDGE ROAD, BROOKMANS PARK, HERTFORDSHIRE, AL9 7SX
Received 8 Jul 2008Hatfield Community Free School Briars Lane Hatfield AL10 8ES
Received 19 May 20251 Woodhill House Kentish Lane Hatfield AL9 6JY
Received 5 Jun 2024Cuffley Gate Sopers Road Cuffley Potters Bar EN6 4RY
Received 17 Nov 2023Dimsdale House Essendon Place High Road Essendon Hatfield AL9 6GZ
Received 15 Dec 2020University of Hertfordshire, College Lane, Hatfield, AL10 9AB
Received 8 Jan 2014Zither Great North Road Brookmans Park Hatfield AL9 6ND
Received 7 Sept 201615 Moorside Welwyn Garden City AL7 4QH
Received 3 Dec 20244 Danesbury Lane Welwyn AL6 9SG
Received 14 Oct 2022LAND ADJACANT TO, 38 GREAT BREAK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3EZ
Received 24 Jun 20096 FARM CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RP
Received 8 Feb 2010241 Daniells Welwyn Garden City AL7 1QD
Received 28 Jun 202329 ST ALBANS ROAD EAST, HATFIELD, HERTFORDSHIRE, AL10 0EJ
Received 2 Feb 201024 Cherry Way Hatfield AL10 8LE
Received 16 Dec 201914 Lumbards, Welwyn Garden City, AL7 1PQ
Received 3 May 200686 Thistle Grove Welwyn Garden City AL7 4AQ
Received 22 Oct 202097 Brookside Crescent Cuffley Potters Bar EN6 4QP
Received 13 Nov 201971 Great North Road Hatfield AL9 5EN
Received 25 Mar 201933 Upland Drive, Brookmans Park, Hatfield, AL9 6PT
Received 14 Jun 2016Heathfield 1 Pottersheath Road Welwyn AL6 9TA
Received 1 Aug 2023120 Haldens Welwyn Garden City AL7 1DG
Received 8 Jan 2020Records 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
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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