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
29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 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 Counts reflect the last collected status; some records may be out of date.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.
Clamcleats Ltd Watchmead Welwyn Garden City AL7 1AP
Received 2 Dec 202117 The Old Drive Welwyn Garden City AL8 6TB
Received 4 Feb 202110 King James Avenue Cuffley Potters Bar EN6 4LR
Received 30 Mar 202314 Broadfield Place Welwyn Garden City AL8 6LJ
Received 24 Dec 2024101 Cole Green Lane, Welwyn Garden City, AL7 3JF
Received 15 May 2015The Rose And Crown 14 Church Street Welwyn AL6 9LX
Received 8 Feb 202149 Wigmores North Welwyn Garden City AL8 6PG
Received 10 Dec 202423 Lemsford Lane Welwyn Garden City AL8 6YN
Received 29 Apr 201962 Holwell Road Welwyn Garden City AL7 3RN
Received 14 Jul 202644 Barleycroft Road Welwyn Garden City AL8 6JU
Received 15 Sept 2017GARAGES 1 - 22 AT, THE FIRS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7EA
Received 8 Oct 20048 Golden Dell Welwyn Garden City AL7 4EB
Received 4 Jul 20242 Ingles Welwyn Garden City AL8 7HL
Received 22 Feb 201731 AYOT GREEN, AYOT ST PETER, WELWYN, HERTFORDSHIRE, AL6 9AB
Received 28 Nov 200810 Groom Place Welwyn Garden City AL7 1GG
Received 24 Mar 20211 Southfield Welwyn Garden City AL7 4ST
Received 26 Nov 20206 Hall Grove Welwyn Garden City AL7 4PN
Received 28 Oct 202543 Moffats Lane Brookmans Park Hatfield AL9 7RX
Received 24 Oct 2019Ocado Ltd Gypsy Moth Avenue Hatfield AL10 9BD
Received 10 Jul 20176 Codicote Road Welwyn AL6 9NB
Received 23 Jan 200972 Cherry Way Hatfield AL10 8LD
Received 28 Apr 202647 Marsden Green, Welwyn Garden City, AL8 6YD
Received 15 Jul 200844 Attimore Road Welwyn Garden City AL8 6LP
Received 26 Jul 202419 BROOKMANS AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QH
Received 29 Sept 2008Records 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.

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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