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.
23,221 approved · 3,501 refused · 1,685 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 20 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 Counts reflect the last collected status; some records may be out of date.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.
114 Parkway Welwyn Garden City AL8 6HN
Received 29 Apr 2025152 Heronswood Road Welwyn Garden City AL7 3EU
Received 21 Jul 2025Land to the south east of Ayot St Lawrence
Received 20 Jun 2022222 Howlands Welwyn Garden City AL7 4HF
Received 18 Sept 20245 Hook Lane Northaw Potters Bar EN6 4DA
Received 23 Oct 202414 The Avenue Welwyn AL6 0PN
Received 14 Apr 20154 Reddings Welwyn Garden City AL8 7LA
Received 20 Sept 2018Minster House Minster Close Hatfield AL10 9JN
Received 15 Aug 201913 North Ride Welwyn AL6 9RD
Received 26 Mar 202456 Hertford Road Digswell Welwyn AL6 0BX
Received 3 May 201622 Church Street Welwyn AL6 9LX
Received 23 Jul 201828 Westland Drive Hatfield AL9 7UQ
Received 5 Nov 2021Ocado Ltd, Gypsy Moth Avenue, Hatfield, AL10 9BD
Received 4 Aug 20161 Applecroft Road Welwyn Garden City AL8 6JZ
Received 27 Jan 2026White Lion Square Hatfield Town Centre Hatfield AL10 0JJ
Received 29 Jan 20188 Broadleaf Grove Welwyn Garden City AL8 7AZ
Received 10 Feb 201732 Vineyards Road Northaw Potters Bar EN6 4PA
Received 3 Dec 202417 South Drive Cuffley Potters Bar EN6 4HP
Received 15 Jun 20151 Fern Grove Welwyn Garden City AL8 7ND
Received 31 Jul 20256 Stanborough Cottages Great North Road Welwyn Garden City AL8 7TE
Received 30 Sept 202220A The Ridgeway Cuffley Potters Bar EN6 4AY
Received 16 Jun 20174 Evergreen Close Woolmer Green SG3 6JN
Received 6 Aug 2026Great Dell Garages Welwyn Garden City AL8 7HP
Received 12 Jan 2017134 Moffats Lane Brookmans Park Hatfield AL9 7RW
Received 25 Jun 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