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
28,931 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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.
7 Youngs Rise, Welwyn Garden City, AL8 6RT
Received 25 Mar 201673 Dellsome Lane Welham Green Hatfield AL9 7NE
Received 19 Dec 202552 Parkway Welwyn Garden City AL8 6HH
Received 16 Nov 20207 Manor Parade, Hatfield, AL10 9JS
Received 14 Jul 20146 BLAKEMERE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PJ
Received 14 Sept 2009184 Knightsfield, Welwyn Garden City, AL8 7RJ
Received 30 Nov 2004Claytiles Great North Road Hatfield AL9 6DA
Received 20 May 201547 Haldens Welwyn Garden City AL7 1DH
Received 5 Jun 201545 Moffats Lane, Brookmans Park, Hatfield, AL9 7RX
Received 4 Aug 2016Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF
Received 12 Jun 201711 Mount Pleasant Close, Hatfield, AL9 5BZ
Received 1 Aug 2019Land at flats 10-16a Dellsome Lane Welham Green Hatfield AL9 7NF
Received 20 Jul 201740 Homewood Avenue, Cuffley, Potters Bar, EN6 4QR
Received 29 Jun 201633 Springfields Welwyn Garden City AL8 6XT
Received 15 Jun 202030 Youngs Rise, Welwyn Garden City, AL8 6RU
Received 11 Jul 201442 Broomfield Road Welwyn AL6 9DW
Received 4 Jul 2024The Frythe, 5 Digswell Hill, WELWYN, AL6 9AR
Received 18 Mar 201347 Elmwood Welwyn Garden City AL8 6LD
Received 18 Aug 202517 Hillside, Welwyn Garden City, AL7 4PZ
Received 5 Nov 20136 HALL GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4PN
Received 18 Jun 2008Queen Victoria Memorial Hospital 73 School Lane Welwyn AL6 9PW
Received 5 Oct 200939 Woodland Rise Welwyn Garden City AL8 7LJ
Received 24 Jul 202512 Pentley Park Welwyn Garden City AL8 7RU
Received 8 Oct 202427 Reddings Welwyn Garden City AL8 7LA
Received 22 Aug 2023Records 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