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
28,878 approved · 4,801 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 4 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 Counts reflect the last collected status; some records may be out of date.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.
Biffa Waste Services Ltd Travellers Close Welham Green Hatfield AL9 7JL
Received 3 Nov 20048 BROADLEAF GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7AZ
Received 31 Jul 200737 High Oak Road Welwyn Garden City AL8 7BT
Received 15 Jul 20221 Brookmans Avenue Brookmans Park Hatfield AL9 7QH
Received 5 Apr 200412 Pentley Close Welwyn Garden City AL8 7SH
Received 27 Sept 201711 Longmead Woolmer Green Knebworth SG3 6JH
Received 6 Dec 20122 The Wade, Welwyn Garden City, AL7 4LG
Received 24 Mar 201628 Briars Wood Hatfield AL10 8DG
Received 9 Oct 20241A Adele Avenue Digswell Welwyn AL6 0AU
Received 21 May 201412 Guessens Road Welwyn Garden City AL8 6QR
Received 1 Jul 20205 Alconbury Welwyn Garden City AL7 2QL
Received 9 Mar 20211 Brockswood Lane Welwyn Garden City AL8 7BA
Received 9 Sept 202199 Bridge Road East Welwyn Garden City AL7 1GL
Received 18 Mar 2024Presbytery 141 Woodhall Lane Welwyn Garden City AL7 3TP
Received 14 Jul 202067 Digswell Park Road Welwyn Garden City AL8 7NW
Received 15 Sept 202526 Russellcroft Road Welwyn Garden City AL8 6QU
Received 26 Apr 201829 The Cloisters Welwyn Garden City AL8 6DU
Received 11 Jun 201844 Mill Lane Welwyn AL6 9ET
Received 16 Sept 2009PET FARM, BELL BAR, BELL LANE, BROOKMANS PARK, HERTS, AL9 7AY
Received 21 Sept 200728 Attimore Road Welwyn Garden City AL8 6LP
Received 10 Oct 201616 Barleycroft Green Welwyn Garden City AL8 6JY
Received 18 Nov 202449 Osborne Road, Potters Bar, EN6 1SB
Received 14 Apr 201523 The Ridgeway Cuffley Potters Bar EN6 4BB
Received 19 Jan 202612 Camfield Welwyn Garden City AL7 4ED
Received 7 Apr 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