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28,874 approved · 4,802 refused · 2,208 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
55 Longcroft Lane Welwyn Garden City AL8 6EB
Received 8 Nov 2018The Barnhouse Digswell Lane Welwyn AL6 0SP
Received 14 Feb 2013Harrier House, St Albans Road East, Hatfield, AL10 0HE
Received 28 Oct 20147 Manor Parade, Hatfield, AL10 9JS
Received 14 Apr 2014248 Daniells Welwyn Garden City AL7 1QE
Received 10 Jul 20173 Newfields Welwyn Garden City AL8 6YS
Received 30 Aug 2022Mornington and New Road Digswell Welwyn AL6 0AJ
Received 9 Mar 201563 Wildhill Road Brookmans Park Hatfield AL9 6EA
Received 22 Aug 2017Land west of Orchard Road, Tewin, AL6 0HN
Received 1 Sept 201528 Bradgate Cuffley Potters Bar EN6 4RL
Received 3 Jul 20076 The Orchard Welwyn Garden City AL8 7PL
Received 6 Feb 202315 Beehive Green, Welwyn Garden City, AL7 4BE
Received 10 Jul 201378 Pentley Park Welwyn Garden City AL8 7SG
Received 20 Dec 2005Land West of Learning Resource Centre University Of Hertfordshire College Lane Hatfield AL10 9AB
Received 9 Sept 20215 Longcroft Lane Welwyn Garden City AL8 6EB
Received 16 Feb 201023 LONGCROFT LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EB
Received 15 Jan 200947 Elm Gardens Welwyn Garden City AL8 6RX
Received 10 Sept 20251B Heath Road Welwyn AL6 0TP
Received 9 Nov 201650 Lockley Crescent Hatfield AL10 0TP
Received 10 Apr 200685 Handside Lane, Welwyn Garden City, AL8 6SH
Received 9 Jan 2014179 Parkway Welwyn Garden City AL8 6JA
Received 12 Sept 2017216 Howlands Welwyn Garden City AL7 4HF
Received 10 Jul 201820 Canonsfield Welwyn AL6 0QD
Received 13 May 202554 Attimore Road Welwyn Garden City AL8 6LP
Received 20 Apr 2017Records 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