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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
The East Great North Road Welwyn Garden City AL8 7TB
Received 6 Jul 2020FORMER OFFICE BUILDING AND STAFF MESS, (ADMINISTRATION BUILDING AND CANTEEN), PLOT 1500 HATFIELD BUSINESS PARK, COMET WAY, HATFIELD, HERTFORDSHIRE, AL109TZ
Received 2 May 20064 Fordwich Road Welwyn Garden City AL8 6EY
Received 10 Apr 20062A The Drive Welwyn AL6 0TR
Received 6 Oct 201552 Hawbush Rise Welwyn AL6 9PP
Received 9 Jan 20183 Tolmers Park, Carbone Hill, Newgate Street, HERTFORD, SG13 8RG
Received 24 May 201375 HERNS LANE, WELWYN GARDEN CITY, HERTS, AL7 2AQ
Received 12 Jan 20109 Broom Hill Welwyn AL6 0SF
Received 27 Sept 201813 Crossway, Welwyn Garden City, AL8 7ED
Received 21 Feb 201414 The Reeds Welwyn Garden City Hertfordshire AL7 3BN
Received 25 May 202259 Frampton Road Little Heath Potters Bar EN6 1JF
Received 28 Jun 200744 Longcroft Lane Welwyn Garden City AL8 6EF
Received 29 Oct 202537 Codicote Road Welwyn AL6 9TT
Received 29 Sept 202133 Bramble Road Hatfield AL10 9RZ
Received 3 Jul 201710 Sheepcote, Welwyn Garden City, AL7 4QD
Received 30 Mar 201562 Hillcrest Hatfield AL10 8HG
Received 5 Oct 202135-37 Howardsgate Welwyn Garden City AL8 6AP
Received 28 Mar 20222 Sheepcote Welwyn Garden City AL7 4QD
Received 21 Jun 202136A Reynards Road Welwyn AL6 9TP
Received 19 Jan 2022Rose Cottage Kentish Lane Brookmans Park Hatfield AL9 6JP
Received 19 Apr 20045 High Grove Welwyn Garden City AL8 7DW
Received 24 Jun 202483 Broomhills Welwyn Garden City AL7 1RE
Received 6 Jun 2022Woodhill House Kentish Lane Brookmans Park
Received 14 Sept 200415 Station Road Welham Green Hatfield AL9 7PL
Received 19 Aug 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
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.

Understanding planning · 13 min read
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