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
28,869 approved · 4,802 refused · 2,207 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 Oct 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 Counts reflect the last collected status; some records may be out of date.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.
1 Bradmore Buildings Bradmore Green Brookmans Park Hatfield AL9 7QR
Received 5 Dec 2019EAST GABLES, HOME FARM, NORTH MYMMS PARK, HATFIELD, HERTFORDSHIRE, AL9 7TG
Received 16 Nov 20042 Sherrards Mansion Rectory Road Welwyn Garden City AL8 7AY
Received 25 Feb 202511 Meadow Green, Welwyn Garden City, AL8 6SS
Received 25 Oct 2013Second Floor 4 Wigmores South Welwyn Garden City AL8 6PL
Received 19 May 2017207 St Albans Road West AL10 0SZ
Received 10 Oct 20233 High Grove Welwyn Garden City AL8 7DW
Received 18 Jun 2020Hilltop Cucumber Lane Essendon Hatfield AL9 6JA
Received 22 Apr 2020Dowdells Cottage Ayot St Peter Road Ayot St Peter Welwyn AL6 9BH
Received 6 Sept 20245 Coneydale Welwyn Garden City AL8 7RX
Received 29 Aug 202411 Town Centre Hatfield AL10 0NY
Received 4 Jul 201983 Warren Way Digswell Welwyn AL6 0DL
Received 5 Feb 20133 Mimram Road Welwyn AL6 9HA
Received 20 Aug 200882-102, 83-103,104-124,105-125 Knightsfield Welwyn Garden City AL8 7HB
Received 30 Nov 202275 Boundary Lane Welwyn Garden City AL7 4EG
Received 1 Mar 202141 Swanley Crescent Little Heath Potters Bar EN6 1NQ
Received 8 May 202432 Bell Lane Brookmans Park AL9 7AY
Received 13 Jun 2024Welwyn Garden City Golf Club Mannicotts Welwyn Garden City AL8 7BP
Received 31 Dec 20251 Hall Grove Welwyn Garden City AL7 4PJ
Received 2 Mar 202025 Timbercroft Welwyn Garden City AL7 1NS
Received 9 Apr 20185 Martin Close Hatfield AL10 8QS
Received 15 Jul 202130 Church Street Hatfield AL9 5AW
Received 10 Apr 201747 Handside Lane Welwyn Garden City AL8 6SH
Received 13 May 2025Ayot Farm Bibbs Hall Lane Welwyn AL6 9BY
Received 10 Mar 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