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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
6 Pentley Close Welwyn Garden City AL8 7SH
Received 6 Dec 20212 Woodland Rise Welwyn Garden City AL8 7LF
Received 10 Oct 202219 Queens Avenue Welwyn Garden City AL7 4BZ
Received 23 Mar 202622A London Road Woolmer Green SG3 6JP
Received 30 Jun 20252 Brooksfield Welwyn Garden City AL7 2BJ
Received 17 Jan 20239 FERN GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7ND
Received 1 Oct 200910 Reynards Road Welwyn AL6 9TP
Received 15 Jun 201571 Bradmore Green Brookmans Park Hatfield AL9 7QT
Received 13 Jan 2004Edge House, Kentish Lane, Hatfield, AL9 6NH
Received 1 Sept 200813-15 Broadwater Road Welwyn Garden City AL7 3BQ
Received 26 May 20239 Elmwood Welwyn Garden City AL8 6LD
Received 20 Feb 202583 Brookmans Avenue Brookmans Park AL9 7QG
Received 9 Sept 202672 Upperfield Road WELWYN GARDEN CITY AL7 3LW
Received 29 Mar 201782 Knightsfield Welwyn Garden City AL8 7HB
Received 30 Jan 2007Camleigh Farm, Cucumber Lane, Essendon, Hatfield, AL9 6JB
Received 6 Jan 2016HORNBEAMS, HANBURY LANE, HATFIELD, HERTS, AL9 6AY
Received 14 Aug 200717 Wyton Welwyn Garden City AL7 2PE
Received 30 Sept 2024Essendon House Church Street Essendon Hatfield AL9 6AR
Received 15 Aug 200823 Lady Grove Welwyn Garden City AL7 4DS
Received 17 Jan 202316 DELLCOTT CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BD
Received 12 Jan 200921 Valley Road, Welwyn Garden City, AL8 7DH
Received 8 Jun 20227 The Glade, Welwyn Garden City, AL8 7LG
Received 2 Mar 2015The Willows Marshmoor Lane Welham Green Hatfield AL9 7HT
Received 10 Mar 202670 Upperfield Road, Welwyn Garden City, AL7 3LW
Received 15 Oct 2013Records 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