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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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.
146 Salisbury Road, Welwyn Garden City, AL7 3SA
Received 18 Feb 2016The Woodside Centre The Commons Welwyn Garden City AL7 4DD
Received 9 Jun 2023Edge House, Kentish Lane, Brookmans Park, Hatfield, AL9 6NH
Received 18 Dec 201317 Skimpans Close, Welham Green, HATFIELD, AL9 7PA
Received 1 May 2013LAND ADJACENT TO, 162 DIXONS HILL ROAD, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7DL
Received 22 Nov 200519 Dellcott Close Welwyn Garden City AL8 7BB
Received 13 Oct 202558 Lemsford Lane, Welwyn Garden City, AL8 6YJ
Received 3 Nov 202110 Hill Rise Cuffley Potters Bar EN6 4EE
Received 27 Feb 2004140 Tolmers Road Cuffley Potters Bar EN6 4JR
Received 2 May 202038 Parkway Welwyn Garden City AL8 6HQ
Received 29 Nov 20237 Rollswood Road Welwyn AL6 9TX
Received 6 Oct 201615 Hillside Way, Welwyn, AL6 0TY
Received 9 Feb 20156 Malmsdale Welwyn Garden City AL8 7QN
Received 2 Dec 2020Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ
Received 30 Jan 201853 Roe Green Close, Hatfield, AL10 9PF
Received 21 Dec 20153 Starling Lane Cuffley Potters Bar EN6 4JX
Received 6 Oct 2005Land to the north east of King George V Playing Fields Northaw Road East Cuffley EN6 4RD
Received 20 Jun 202520 Broadfield Road Woolmer Green Knebworth SG3 6LZ
Received 29 Jul 201668 Guessens Court Welwyn Garden City AL8 6RB
Received 25 Sept 2023NatWest, 35 Town Centre, Hatfield, AL10 0JU
Received 10 Feb 20156 Harpsfield Broadway Hatfield AL10 9TF
Received 2 Aug 202452 Sherrardspark Road, Welwyn Garden City, AL8 7LB
Received 25 Apr 2016Fountain View Great North Road Welwyn Garden City AL8 7TG
Received 17 Nov 202197 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BG
Received 23 Nov 2007Records 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