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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
62 Hill Rise Cuffley Potters Bar EN6 4RG
Received 17 Jul 201758 Wellcroft Road Welwyn Garden City AL7 3JY
Received 26 Nov 2020Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA
Received 28 Nov 201614 Bracken Lane Welwyn AL6 0RB
Received 4 Jan 2018294 Knightsfield Welwyn Garden City AL8 7NQ
Received 2 Mar 2022House A & B 51 Harmer Green Lane Digswell, Welwyn AL6 0AP
Received 3 May 201350 Woodland Rise Welwyn Garden City AL8 7LF
Received 12 Jul 2023Entech House London Road Woolmer Green SG3 6JE
Received 16 Apr 2019120-122 Peartree Post Office Peartree Lane Welwyn Garden City AL7 3XW
Received 14 Jun 20241 Elmwood Welwyn Garden City AL8 6LD
Received 10 Aug 201536 Woodland Rise Welwyn Garden City AL8 7LF
Received 26 Jun 202576 Chequers, Welwyn Garden City, AL7 4TA
Received 20 Mar 20068 Groom Place Welwyn Garden City AL7 1GG
Received 17 Jul 20233 EAST MEAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4RR
Received 23 Sept 200811 The Quadrangle Welwyn Garden City AL8 6SG
Received 19 Oct 202341 Ayot Green Ayot St Peter Welwyn AL6 9AB
Received 18 Nov 202141 Hawkshead Lane North Mymms AL9 7TD
Received 10 Mar 202547 The Crescent Welwyn AL6 9JG
Received 29 Jul 2021Woodhurst Cottage Cattlegate Road Northaw Potters Bar EN2 8AT
Received 5 Jul 2021Woodhill Farm, Kentish Lane, Brookmans Park, Hatfield, AL9 6JY
Received 6 May 201433 Brookside Crescent Cuffley Potters Bar EN6 4QW
Received 13 Nov 201716 The Wade Welwyn Garden City AL7 4LG
Received 15 May 20266 Templewood Welwyn Garden City AL8 7HX
Received 8 Jun 201537 High Oaks Road Welwyn Garden City AL8 7BT
Received 29 Jun 2021Records 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