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
28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 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 Counts reflect the last collected status; some records may be out of date.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.
Beales Hotel Comet Way Hatfield AL10 9NG
Received 12 Apr 2021The Co-Operative Supermarket, 37-39 Bradmore Green, Brookmans Park, Hatfield, AL9 7QR
Received 23 Oct 201417 High Oaks Road Welwyn Garden City AL8 7BJ
Received 12 Oct 2020Electricity sub station, land at Chantry Lane Hatfield AL10 9HS
Received 28 Sept 200412 Wellcroft Close Welwyn Garden City AL7 3JZ
Received 6 Jun 201767 Hill Rise Cuffley Potters Bar EN6 4RX
Received 15 Mar 200730 Heather Road Welwyn Garden City AL8 6XU
Received 21 Oct 2019HATFIELD POLICE STATION, ARLINGTON BUSINESS PARK, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10
Received 27 Mar 200829 Brookside Crescent Cuffley Potters Bar EN6 4QW
Received 29 Jul 202597 Woodhall Lane, Welwyn Garden City, AL7 3TH
Received 23 Apr 200413 Colgrove Welwyn Garden City AL8 6HY
Received 16 Jun 202148 Valley Road Welwyn Garden City AL8 7DN
Received 1 Mar 202120 Kingsmead Cuffley Potters Bar EN6 4AN
Received 7 Mar 202531 Parkside Welwyn AL6 9DQ
Received 29 Aug 202429 Church Lane, Northaw, POTTERS BAR, EN6 4NX
Received 21 Jun 2013105 Handside Lane, WELWYN GARDEN CITY, AL8 6SP
Received 29 Apr 201380 Digswell Park Road Welwyn Garden City AL8 7NS
Received 17 Jul 20258 The Valley Green Welwyn Garden City AL8 7DQ
Received 27 Sept 202212 Briary Wood Lane Welwyn AL6 0TF
Received 15 May 202512 THRUSH LANE, CUFFLEY, HERTFORDSHIRE, EN6 4JU
Received 18 Nov 200912 Sherrardspark Road Welwyn Garden City AL8 7JP
Received 16 Nov 200512 Cubitts Close Digswell Welwyn AL6 0DZ
Received 26 Feb 2009ROEBUCK FARM, 57 LEMSFORD VILLAGE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7TR
Received 31 Jan 2008Tesco Stores Ltd Great North Road Hatfield AL9 5JY
Received 4 Oct 2007Records 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.

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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