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28,972 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
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.
Peel Court, The Campus, Welwyn Garden City, AL8 6AQ
Received 31 Jul 2013129-133 Cunningham Avenue Hatfield AL10 9JZ
Received 18 Oct 201715 Birch Grove Welwyn AL6 0QP
Received 21 May 20254 High Road, Essendon, Hatfield, AL9 6HW
Received 5 Apr 2016Nast Hyde Halt Ellenbrook Lane Hatfield
Received 28 Mar 2019Pathenay 11 Heathbrow Road Welwyn AL6 0QG
Received 17 Feb 2004Lavender Cottage 11 Potterells Station Road Welham Green Hatfield AL9 7SL
Received 14 Sept 201633 The Swallows Welwyn Garden City AL7 1BX
Received 24 Sept 202437 Broadwater Road Welwyn Garden City AL7 3AX
Received 31 Jul 201810 Roundwood Drive, Welwyn Garden City, AL8 7JZ
Received 20 Nov 2014Paynes Farm New Road Woolmer Green Knebworth SG3 6LE
Received 14 Jan 2013171 Knightsfield Welwyn Garden City AL8 7QG
Received 23 Sept 2021Charter House Parkway Welwyn Garden City AL8 6JL
Received 23 Feb 20229 Hillside Welwyn Garden City AL7 4PZ
Received 17 Nov 202095 Daniells, Welwyn Garden City, AL7 1QT
Received 7 May 201317 Sheepcote Welwyn Garden City AL7 4QA
Received 19 May 202041 Hyde Valley, Welwyn Garden City, AL7 4NE
Received 28 Jul 200415 Moorend Welwyn Garden City AL7 4QL
Received 12 Nov 202531 Harmer Green Lane Digswell Welwyn AL6 0AS
Received 23 Jan 201511 Mannicotts Welwyn Garden City AL8 7BW
Received 9 Jul 2021104 HOMESTEAD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4NX
Received 12 Dec 200817 Danesbury Park North Ride Welwyn AL6 9SA
Received 11 Feb 202226 Bridge Road East Welwyn Garden City AL7 1HL
Received 1 Sept 200526 Longcroft Lane Welwyn Garden City AL8 6EA
Received 1 Oct 2018Records 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