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
Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.
23,021 approved · 3,473 refused · 1,675 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 19 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 Counts reflect the last collected status; some records may be out of date.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.
116 Dixons Hill Road Welham Green Hatfield AL9 7DN
Received 19 Sept 201816 Brocket Road Welwyn Garden City AL8 7TY
Received 14 May 2025Paynes Farm New Road Woolmer Green Knebworth SG3 6LE
Received 31 Oct 201727 Reddings Welwyn Garden City AL8 7LA
Received 24 Apr 202364 Moorlands Welwyn Garden City Hertfordshire AL7 4QG
Received 20 Sept 202215 Bedwell Close AL7 3XH
Received 7 May 202415 Fern Grove Welwyn Garden City AL8 7ND
Received 22 Sept 202016 Mardley Avenue Welwyn AL6 0UD
Received 9 Aug 20183 Dognell Green Welwyn Garden City AL8 7BL
Received 15 Mar 20212 The Ridgeway Cuffley Potters Bar EN6 4AR
Received 18 Feb 202516 Cobmead Hatfield AL10 0JF
Received 27 Oct 2025139 Peartree Lane, Welwyn Garden City, AL7 3AJ
Received 29 May 202422 Attimore Road Welwyn Garden City AL8 6LW
Received 17 Nov 202037 The Ridgeway, Cuffley, Potters Bar, EN6 4BB
Received 2 Jun 2020Empire House Bessemer Road Welwyn Garden City AL7 1FY
Received 23 Feb 2018University Of Hertfordshire College Lane Hatfield AL10 9AB
Received 30 Sept 2020Fountain House Parkway Welwyn Garden City AL8 6AL
Received 26 Mar 2021Former Shredded Wheat Factory Welwyn Garden City AL8 6UN
Received 17 Jan 20186 The Links, Welwyn Garden City, AL8 7DS
Received 1 Jan 19889 Hillside Way Welwyn AL6 0TY
Received 28 Dec 201746 Blakemere Road Welwyn Garden City AL8 7PJ
Received 21 Jul 202552 Lemsford Lane Welwyn Garden City AL8 6YJ52
Received 5 Aug 202024 Pentley Park Welwyn Garden City AL8 7SB
Received 31 Jul 202666 Bridge Road Welwyn Garden City AL8 6UR
Received 21 Feb 2018Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
View all applicationsStart 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