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
28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 2 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 Counts reflect the last collected status; some records may be out of date.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.
34 St Audreys Close Hatfield AL10 8UW
Received 1 May 201850 Uplands Welwyn Garden City AL8 7EW
Received 22 Mar 2018LAND ADJACENT TO, 33 LEMSFORD VILLAGE, LEMSFORD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7TR
Received 18 Jan 200615 Mardley Wood Welwyn AL6 0UY
Received 2 Jun 2025131 Boundary Lane, Welwyn Garden City, AL7 4EQ
Received 19 Jul 2013LAND ADJACENT TO 34 SPRINGFIELDS, WELWYN GARDEN CITY, HERTS
Received 9 Oct 200823 Knightsfield Welwyn Garden City AL8 7JE
Received 29 May 201548 Attimore Road Welwyn Garden City AL8 6LP
Received 7 Aug 20235 Reddings Welwyn Garden City AL8 7LA
Received 16 Mar 200713 Wellfield Road Hatfield AL10 0BS
Received 27 Jun 202515 Bradmore Way Brookmans Park Hertfordshire AL9 7QY
Received 8 Aug 202217 Wilshere Road Welwyn AL6 9PU
Received 11 Nov 2025LAND AT, ROE HYDE A414, HATFIELD, HERTFORDSHIRE
Received 2 Feb 200424 Dellcott Close, Welwyn Garden City, AL8 7BD
Received 8 Mar 201630 Fordwich Road Welwyn Garden City AL8 6EY
Received 13 Nov 202450 Reynards Road Welwyn AL6 9TP
Received 12 Apr 2018Roundabout 8, Digswell Road and Knightsfield, Welwyn Garden City, AL8 7JE
Received 31 Mar 20169 The Gardens Brookmans Park Hatfield AL9 7UL
Received 25 Sept 201938 Welwyn Hall Gardens Welwyn AL6 9LF
Received 27 Mar 20251 The Glade Welwyn Garden City AL8 7LG
Received 1 Feb 202237 Sandpit Road, Welwyn Garden City, AL7 3TW
Received 8 Jan 2014144 Boundary Lane Welwyn Garden City AL7 4DF
Received 6 Jul 202010 BROCKETT CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BN
Received 8 Aug 20071 Bradmore Green Brookmans Park Hatfield AL9 7QW
Received 1 May 2018Records 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.

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