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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
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.
64 Lemsford Lane Welwyn Garden City AL8 6YJ
Received 12 Apr 20239 Brockett Close Welwyn Garden City Hertfordshire AL8 7BN
Received 9 Aug 20228 CHALGROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2QJ
Received 28 Aug 200916 Bluebells Welwyn AL6 0XD
Received 21 Jul 20235 Breakmead, Welwyn Garden City, AL7 3HG
Received 14 Nov 200533 Oaklands Rise Welwyn AL6 0RN
Received 29 Jul 202211 Bluebell Way Hatfield AL10 9FJ
Received 15 Oct 200712 Newfields Welwyn Garden City AL8 6YT
Received 13 Oct 20239 The Quadrangle Welwyn Garden City AL8 6SG
Received 21 Aug 2024140 Holwell Road, Welwyn Garden City, AL7 3RW
Received 24 Sept 201461 Bluebridge Road Brookmans Park AL9 7UW
Received 30 Oct 20257 YOUNGS RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RT
Received 29 Oct 2009Old Hall Farm Cottage Hill Farm Lane Welwyn AL6 9BW
Received 30 Apr 20072 Lytton Gardens Welwyn Garden City AL8 6EG
Received 5 Apr 2017179 Handside Lane Welwyn Garden City AL8 6TA
Received 21 Sept 2018Land to the north east of King George V Playing Fields, Northaw Road East, Cuffley, Potters Bar EN6 4RD
Received 26 Jun 20156 High Road Essendon Hatfield AL9 6HW
Received 29 Nov 200434 New Road Woolmer Green Knebworth SG3 6LA
Received 17 May 2006Hill End House Cottage, Hill End, Hertford Road, Hatfield, AL9 5PQ
Received 22 Jul 2019199 Daniells Welwyn Garden City AL7 1QH
Received 17 Jul 20158 Ashley Close Welwyn Garden City AL8 7LH
Received 6 Jul 20201 Waterworks Cottages Bishops Rise Hatfield AL10 9HJ
Received 10 Jul 20247 Homestead Lane Welwyn Garden City AL7 4LT
Received 4 Jun 2020Milbrook, Carbone Hill, Northaw, Newgate Street, SG13 8RG
Received 1 Sept 2015Records 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