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
28,804 approved · 4,796 refused · 2,203 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 Oct 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 Counts reflect the last collected status; some records may be out of date.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.
6 Densley Close Welwyn Garden City AL8 7JX
Received 15 Jul 202250 Lowerfield, Welwyn Garden City, AL7 3JT
Received 11 Apr 20068 Oakington Welwyn Garden City AL7 2PS
Received 3 Feb 202112 Sherrardspark Road Welwyn Garden City AL8 7JP
Received 8 Dec 20253 HEMPSTALL, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3LY
Received 4 Jul 200874 Harmer Green Lane Welwyn AL6 0EJ
Received 19 Dec 2018CUCUMBER HALL FARM, CUCUMBER LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6JB
Received 30 Oct 20077 Bradmore Way, Brookmans Park, Hatfield, AL9 7QY
Received 16 Jan 20147 Rosecroft Lane Welwyn AL6 0UB
Received 6 Sept 2013120 Howlands Welwyn Garden City AL7 4RG
Received 18 Mar 2019252 Thistle Grove Welwyn Garden City AL7 4AL
Received 31 Oct 2024Ayot Cottage Hill Farm Lane Welwyn AL6 9BT
Received 28 Jul 201535 Reddings Welwyn Garden City AL8 7LA
Received 11 Dec 2023First And Part Second Floor 22 Parkway Welwyn Garden City AL8 6HG
Received 27 Apr 201594 Harmer Green Lane Digswell Welwyn AL6 0EP
Received 4 Sept 20196 Warwick Close, Cuffley, Potters Bar, EN6 4RT
Received 4 Jul 201322 Whitethorn Welwyn Garden City AL7 3EX
Received 15 Nov 20222 High Ridge Cuffley Potters Bar EN6 4JH
Received 29 Mar 2004Little Bedwell Cucumber Lane Essendon Hatfield AL9 6JA
Received 28 Dec 202376 Brockswood Lane Welwyn Garden City AL8 7BQ
Received 18 Jan 202226 High Street Welwyn AL6 9EQ
Received 23 Oct 2018Ayot House, 3 Hill Farm Lane, Welwyn, AL6 9BP
Received 7 Nov 20141 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 9 Sept 201979 Homestead Road Hatfield AL10 0QP
Received 13 Jun 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