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
28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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 Woodhall Lane Welwyn Garden City AL7 3TF
Received 27 Feb 202043 Station Road Welham Green Hatfield AL9 7PF
Received 30 Jun 20177 Selwyn Drive Hatfield AL10 9NH
Received 28 Nov 202575 The Ridgeway Cuffley Potters Bar EN6 4BD
Received 17 Jul 20239 Juniper Gardens Welwyn AL6 0XH
Received 2 Apr 201412 Oakington Welwyn Garden City AL7 2PS
Received 19 Jun 2015Mill Green Golf Club Mill Green Golf Course Gypsy Lane Welwyn Garden City AL7 4TY
Received 22 Sept 202072 Sweet Briar, Welwyn Garden City, AL7 3EA
Received 26 Oct 2021Accord House 28 Bridge Road East Welwyn Garden City AL7 1HX
Received 21 Dec 201851 Herns Lane Welwyn Garden City Hertfordshire AL7 2AG
Received 7 Mar 20234 Blakemere Road Welwyn Garden City AL8 7PJ
Received 1 Apr 2021156 Blythway Welwyn Garden City AL7 1DU
Received 14 Apr 201414 Great North Road Welwyn AL6 0PL
Received 23 Oct 201422 The Common Hatfield AL10 0ND
Received 15 May 202310 Handside Green Welwyn Garden City AL8 6SQ
Received 31 Mar 20252 HANYARDS LANE, CUFFLEY, HERTFORDSHIRE, EN6 4AS
Received 28 Aug 200877 High Dells Hatfield AL10 9HY
Received 12 May 2015University of Hertfordshire College Lane Hatfield AL10 9AB
Received 13 Jul 200459 The Ridgeway Cuffley Potters Bar EN6 4BD
Received 27 Oct 2005Blocks 1 - 4 Comet Square Hatfield AL10 9RA
Received 19 Apr 202324 Attimore Road Welwyn Garden City AL8 6LW
Received 11 Nov 2022Quartermans Cottage Digswell Lane Welwyn AL6 0SP
Received 27 May 200448 Pine Grove Brookmans Park Hatfield AL9 7BW
Received 9 Feb 2004St Peters Catholic Church Bishops Rise Hatfield AL10 9HN
Received 15 May 2014Records 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