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
28,939 approved · 4,812 refused · 2,214 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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.
BAR TURAN, 2 PARKHOUSE COURT, HATFIELD, HERTFORDSHIRE, AL10 9RQ
Received 28 May 2008Allotments adjacent to Broadwater Crescent, Welwyn Garden City, AL7 3AB
Received 19 Jan 201636 Marsden Green, WELWYN GARDEN CITY, AL8 6YB
Received 11 Feb 2013Campus West The Campus Welwyn Garden City AL8 6BX
Received 12 Sept 202213 BROCKETT CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BN
Received 13 Mar 20088 SOMERS SQUARE, WELHAM GREEN, HATFIELD, HERTFORDSHIRE, AL9 7PS
Received 9 Sept 200845 Sherrardspark Road Welwyn Garden City AL8 7LD
Received 15 Dec 202539 Mardley Wood Welwyn AL6 0UZ
Received 31 Aug 2022Hawkshead Lane North Mymms Brookmans Park AL9 7TA
Received 3 Jul 202311 Coneydale Welwyn Garden City AL8 7RX
Received 26 May 20261 Brooksfield Welwyn Garden City AL7 2BJ
Received 17 Jan 202360 Bradmore Way, Brookmans Park, Hatfield AL9 7QX
Received 21 Dec 202111 Woodlands, Brookmans Park, Hatfield, AL9 7AN
Received 25 Oct 201399 Bridge Road East Welwyn Garden City AL7 1GL
Received 15 Nov 2005The Wood Barn The Estate Yard North Mymms Park Hatfield AL9 7TR
Received 30 Nov 202015 The Old Drive, Welwyn Garden City, AL8 6TB
Received 15 Apr 201428 Lavender Close Hatfield AL10 9FW
Received 19 Apr 2016The Manor House Hill Farm Lane Welwyn AL6 9BP
Received 30 Jan 201914 Guessens Road Welwyn Garden City AL8 6QR
Received 12 Aug 201530 Holloways Lane Welham Green Hatfield AL9 7NP
Received 8 Sept 202351 Lemsford Lane Welwyn Garden City AL8 6YN
Received 25 Feb 202115 High Oaks Road, Welwyn Garden City, AL8 7BJ
Received 23 Dec 2005Woodhill The Ridgeway Cuffley Potters Bar EN6 4BE
Received 9 Nov 202010 Elmoor Close Welwyn AL6 9PF
Received 26 Sept 2025Records 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