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
28,693 approved · 4,786 refused · 2,193 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
43 Woodhall Lane Welwyn Garden City AL7 3TB
Received 17 Sept 20259 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 20 Sept 20178 Marsden Green, Welwyn Garden City, AL8 6YA
Received 25 Jun 201311 Oaklands Rise Welwyn AL6 0RN
Received 24 Nov 2009The Old Post Office Hill Farm Lane Welwyn AL6 9BT
Received 28 Apr 201768 PEARTREE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3UH
Received 30 Jul 200952 Sherrardspark Road Welwyn Garden City AL8 7LB
Received 19 Nov 2018Northern Home Counties Distribution Centre, Hatfield Business Park, Frobisher Way, Hatfield, AL10 9SL
Received 24 Jan 20178 Applecroft Road Welwyn Garden City AL8 6LA
Received 6 Feb 202010 The Green Welwyn AL6 9EA
Received 16 May 200818 Oaklands Avenue Brookmans Park AL9 7UJ
Received 5 Nov 202512 Hill Rise Cuffley Potters Bar EN6 4EE
Received 30 Jan 202542 The Ridgeway Cuffley Potters Bar EN6 4BA
Received 12 Jun 201837 Valley Road, Welwyn Garden City, AL8 7DH
Received 15 Aug 201414 Bishops Rise Hatfield AL10 9HB
Received 9 Feb 202146 Campion Road Hatfield Hertfordshire AL10 9FT
Received 4 Mar 202219 Glebe Cottages Essendon Hatfield AL9 6HQ
Received 6 Apr 201712 High Street Welwyn AL6 9EQ
Received 15 Aug 201655 Valley Road Welwyn Garden City AL8 7DH
Received 24 Sept 201919 Sherrardspark Road Welwyn Garden City AL8 7JW
Received 8 Oct 202653 Mymms Drive, Brookmans Park, Hatfield, AL9 7AE
Received 14 Oct 201636 Pine Grove, Brookmans Park, Hatfield, AL9 7BS
Received 26 Mar 20146 Little Youngs, WELWYN GARDEN CITY, AL8 6SL
Received 14 Jan 2013Land at Jacobs Ladder, Hatfield, AL9 5HY
Received 7 Aug 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