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.
14,713 approved · 2,424 refused · 1,084 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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.
118 Oakdale Welwyn Garden City AL8 7QX
Received 29 Mar 20223 Bradgate Cuffley Potters Bar EN6 4RW
Received 5 Feb 20259-11 Church Street Welwyn AL6 9LN
Received 12 Oct 202135 Meadway Welwyn Garden City AL7 4NQ
Received 1 Feb 202232 Turmore Dale Welwyn Garden City AL8 6HS
Received 16 Oct 201756 Parkway Welwyn Garden City AL8 6HH
Received 17 Dec 201814 Poplars Welwyn Garden City AL7 2AL
Received 17 Nov 2023Plot 5610 Gypsy Moth Avenue Hatfield AL10 9BS
Received 18 Jun 202611 Lady Grove Welwyn Garden City AL7 4DS
Received 21 Mar 201827 Great Ganett Welwyn Garden City AL7 3DB
Received 21 Aug 201910 Wellington Drive Welwyn Garden City AL7 2NJ
Received 14 Feb 2020Elizabeth House Elizabeth Close Welwyn Garden City AL7 2JB
Received 8 Aug 202436 Applecroft Road Welwyn Garden City AL8 6LA
Received 24 Aug 20205 Firbank Barn Close Welwyn Garden City AL8 6SU
Received 16 Aug 2017Land adjacent to Bell Lane Bell Bar AL9 7AY
Received 25 Jun 202592 Chelwood Avenue Hatfield AL10 0RE
Received 23 May 202143 Crossway Welwyn Garden City AL8 7ED
Received 8 Jun 202117 Mardley Wood Welwyn AL6 0UY
Received 28 Aug 2018Land Adjacent to 22 The Avenue Oaklands Welwyn AL6 0PP
Received 21 Jan 201924 Moorlands Welwyn Garden City AL7 4PP
Received 27 Apr 202619 Fearnley Road Welwyn Garden City AL8 6HW
Received 5 Oct 2021Knebworth Care Home 59 London Road Woolmer Green Knebworth SG3 6JE
Received 16 May 201734 Blakemere Road Welwyn Garden City AL8 7PJ
Received 23 Nov 2020Barnside Court Welwyn Garden City Hertfordshire AL8 6TN
Received 23 Mar 2022Records 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