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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
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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.
65 Handside Lane, Welwyn Garden City, AL8 6SH
Received 2 May 20141 Ruins Cottages Hill Farm Lane Ayot St Lawrence Welwyn AL6 9BU
Received 22 May 200941 Goldings Crescent Hatfield AL10 8UB
Received 18 Feb 20257 Reeves Court Welwyn AL6 9FU
Received 21 Apr 201767 Ludwick Way Welwyn Garden City AL7 3PL
Received 6 Aug 202442 Attimore Road Welwyn Garden City AL8 6LP
Received 2 Oct 202536 TOLMERS AVENUE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4QA
Received 4 Nov 20099 Ashley Close Welwyn Garden City AL8 7LH
Received 9 Oct 201861A PINE GROVE, BROOKMANS PARK, HATFIELD, HERTSFORDSHIRE, AL9 7BL
Received 25 Jun 200821 Dellcott Close, Welwyn Garden City, AL8 7BB
Received 5 Jan 201537 Church Street Welwyn AL6 9LS
Received 19 Sept 201744 Stockbreach Road, Hatfield, AL10 0BD
Received 24 Sept 201922 Russellcroft Road, Welwyn Garden City, AL8 6QU
Received 21 Jul 201637 Rowans Welwyn Garden City AL7 1NZ
Received 25 Mar 201549 Longcroft Lane, Welwyn Garden City, AL8 6EB
Received 23 Aug 201347-49 Burrowfield Welwyn Garden City AL7 4SS
Received 4 Jun 20208 Thrush Lane, Cuffley, Potters Bar, EN6 4JU
Received 6 Feb 201423 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 11 Sept 202332 CALDER AVENUE, BROOKMANS PARK, HATFIELD, AL9 7AG
Received 24 May 2008Car Park Salisbury Square Hatfield AL9 5AD
Received 20 Oct 202359 New Road Digswell Welwyn AL6 0AL
Received 18 Oct 202419 Windsor Road Welwyn AL6 9JH
Received 19 Apr 20179 Bradmore Green Brookmans Park Hatfield AL9 7QW
Received 20 Jan 200432 Valley Road Welwyn Garden City AL8 7DN
Received 21 May 2004Records 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