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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
FIRS PARK MOBILE HOME SITE, WOODSIDE LANE, BELL BAR, HATFIELD, HERTFORDSHIRE, AL9 6DG
Received 1 Mar 2006LAND ADJACENT TO 88-140 STANBOROUGH GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE
Received 9 Oct 20084 Crop Common Hatfield AL10 0DF
Received 3 Apr 2018TRAVELODGE, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10
Received 27 Mar 200660 Lords Wood Welwyn Garden City AL7 2HG
Received 20 Mar 2023143 Hollybush Lane Welwyn Garden City AL7 4JT
Received 27 Oct 20215 Pitsfield, Welwyn Garden City, AL8 7SJ
Received 20 Jun 20144 High Grove Welwyn Garden City AL8 7DW
Received 16 Aug 202219 Brain Close Hatfield AL10 8BT
Received 25 Oct 2021Commonswood School The Commons Welwyn Garden City AL7 4RU
Received 17 May 201639 Bushey Ley Welwyn Garden City AL7 3HB
Received 26 Nov 201937 Sherrardspark Road Welwyn Garden City AL8 7JY
Received 26 Mar 20211 Heathbrow Road Welwyn AL6 0QG
Received 7 May 20147 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 9 Sept 2025OAK CHALET, VINEYARDS ROAD, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4PE
Received 10 Sept 2008Parkside House 58 Mill Lane Welwyn AL6 9ES
Received 26 Mar 20192 Roe Green Close Hatfield AL10 9PE
Received 17 Jan 20179 Lytton Gardens Welwyn Garden City AL8 6EG
Received 29 Jun 2020Jupiter Coopers Lane Northaw Potters Bar EN6 4NJ
Received 10 Jun 2024Moorlands Motor Company Moorlands Welwyn Garden City
Received 17 Nov 201411 Wendover Drive Welwyn AL6 9LT
Received 14 Nov 201917 Meadow Croft, Hatfield, AL10 0SG
Received 16 Aug 201665 Carve Ley Welwyn Garden City AL7 3HL
Received 31 Oct 201729 SHEEPCOTE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4QA
Received 19 Nov 2008Records 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.

Property research · 13 min read
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