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
28,972 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
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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.
Mill Green 5 Mill Green Cottages Bush Hall Lane Hatfield AL9 5PB
Received 12 Jan 2026Land adj to, 143 Longcroft Lane, Welwyn Garden City, AL8 6EL
Received 20 May 20151 The Bungalows Suttons Farm Woodcock Hill St Albans AL4 9HJ
Received 27 Jul 2022LAND OFF, ST ALBANS ROAD WEST, HATFIELD, HERTFORDSHIRE, AL100ST
Received 9 Aug 200424 Reddings Welwyn Garden City AL8 7LA
Received 2 Feb 201814 West Mead, Welwyn Garden City, AL7 4SA
Received 22 Nov 200794 Parkway Welwyn Garden City AL8 6HL
Received 8 Sept 202016 Pooleys Lane, Welham Green, Hatfield, AL9 7LH
Received 28 Apr 201431 Mill Lane Welwyn AL6 9EU
Received 13 Feb 202429 Elmwood Welwyn Garden City AL8 6LD
Received 15 Jul 2021Welwyn Garden City Free Church, Church Road, WELWYN GARDEN CITY, AL8 6PS
Received 11 Mar 20132 The Valley Green Welwyn Garden City AL8 7DQ
Received 23 Oct 2025Judges Judge's Hill Northaw Potters Bar EN6 4NL
Received 3 Sept 202145 Moffats Lane, Brookmans Park, Hatfield, AL9 7RX
Received 12 Jan 201515 High Dells Hatfield AL10 9JD
Received 22 Jun 20183 Beehive Green Welwyn Garden City AL7 4BE
Received 27 Mar 201721 The Arcade Hatfield AL10 0JY
Received 26 Jun 201926 - 44 Rooks Hill, Welwyn Garden City, AL8 6ET
Received 5 Jun 202320 Breakmead, Welwyn Garden City, AL7 3HG
Received 23 Jan 20224 Stonemead Welwyn Garden City AL8 7LX
Received 6 Sept 201812 Pentley Close Welwyn Garden City AL8 7SH
Received 2 May 202342 Lemsford Road Hatfield AL10 0DJ
Received 5 Apr 201664 Rivenhall End, WELWYN GARDEN CITY, AL7 2PH
Received 5 Mar 20139 Dellcott Close Welwyn Garden City AL8 7BB
Received 15 Sept 2026Records 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.
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