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
25,723 approved · 4,033 refused · 1,870 withdrawn. Received dates in our records: 29 Apr 1948 to 16 Oct 2026. Most recent record check: 23 Oct 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 Counts reflect the last collected status; some records may be out of date.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 Firway Welwyn AL6 0RD
Received 9 Sept 201412 The Ridgeway Cuffley Potters Bar EN6 4AR
Received 26 Aug 202110 Sharmans Close Digswell Welwyn AL6 0AR
Received 23 Jan 2014Tylersley Farm Tylers Causeway Newgate Street Hertford SG13 8QN
Received 5 Sept 201931 The Cloisters Welwyn Garden City AL8 6DU
Received 23 Jan 201799 Robbery Bottom Lane Welwyn AL6 0UL
Received 4 Feb 202013 THE MEADWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4ET
Received 26 Jul 200851 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LG
Received 22 Jun 2009Land adjacent to 26 Starling Lane Cuffley Potters Bar EN6 4JX
Received 23 Aug 2021Tollgate Cottages, 4 Bullens Green Lane, St Albans, AL4 0QT
Received 22 Jul 20144A The Drive Welwyn AL6 0TR
Received 4 Apr 2017Former The Frythe 5 Digswell Hill Welwyn AL6 9AR
Received 29 Jul 2016Swallowfields
Received 1 Jan 1988Land east of Bessemer Road Welwyn Garden City AL7 1HJ
Received 29 Jan 2018T-Mobile 61157, Trident Place, 1-5 Mosquito Way, Hatfield, AL10 9BW
Received 1 Jul 2016139 Parkway Welwyn Garden City AL8 6JB
Received 11 Nov 202028 Lemsford Village Welwyn Garden City AL8 7TN
Received 16 May 202273 Thistle Grove Welwyn Garden City AL7 4AG
Received 15 Nov 20176 Bradmore Way, Brookmans Park, Hatfield, AL9 7QX
Received 14 Aug 201476 College Lane Hatfield AL10 9PQ
Received 14 Jul 20204 Pleasant Rise Hatfield AL9 5DS
Received 4 Jun 20206 Hall Grove Welwyn Garden City AL7 4PN
Received 5 Jul 202415 OAKLANDS AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7UH
Received 30 Sept 20082 Coneydale, WELWYN GARDEN CITY, AL8 7RY
Received 21 Feb 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.

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