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.
19,387 approved · 3,031 refused · 1,459 withdrawn. Received dates in our records: 5 Jan 2005 to 8 Oct 2026. Most recent record check: 16 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 Counts reflect the last collected status; some records may be out of date.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.
Bracken Lodge 14 Bracken Lane Welwyn AL6 0RB
Received 23 Sept 20214 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QJ
Received 30 Dec 2015The Manor House Hill Farm Lane Welwyn AL6 9BP
Received 13 Jun 201864 Bull Stag Green Hatfield AL9 5DE
Received 19 Oct 201825 High Oaks Road Welwyn Garden City AL8 7BJ
Received 3 Sept 2020162 Great North Road Hatfield AL9 5JW
Received 19 Oct 202352 Valley Road Welwyn Garden City AL8 7DN
Received 31 Jan 201811 Linkfield Welwyn Garden City AL7 4DN
Received 11 Oct 201982 Brookmans Avenue Brookmans Park AL9 7QQ
Received 17 Jun 2025Postern Gate Farm Newgate Street Village Hertford SG13 8QR
Received 5 Aug 202466 Peartree Lane, Welwyn Garden City, AL7 3UH
Received 8 Feb 2016The Sun 31 Lemsford Village Welwyn Garden City AL8 7TN
Received 1 Apr 20191 Roe Green Centre Bishops Rise Hatfield AL10 9HE
Received 30 Nov 201739 Archers Ride Welwyn Garden City AL7 4PR
Received 8 Nov 20182 Pine Crest Welwyn AL6 0EQ
Received 3 May 201683 Tolmers Road, Cuffley, Potters Bar, EN6 4JJ
Received 11 Jun 20141 Hanbury Cottages Hanbury Lane Essendon Hatfield AL9 6AY
Received 21 Sept 201518 Scholars Mews Welwyn Garden City AL8 7JQ
Received 15 Jan 202413 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 19 Aug 2021Former Shredded Wheat Factory Welwyn Garden City AL8 6UN
Received 13 Feb 2015Roundhouse Farm, Land off Bullens Green Lane Colney Heath
Received 5 Apr 2022St Michael's C of E VA Primary School London Road Woolmer Green Knebworth SG3 6JP
Received 30 May 20191 Great Ganett Welwyn Garden City AL7 3DA
Received 31 Jan 2020Backhouse Rooms Adjacent 114 Handside Lane
Received 17 Jul 2017Records 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