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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
105 Great North Road Hatfield AL9 5LR
Received 31 Aug 202190 Pentley Park Welwyn Garden City AL8 7SG
Received 6 Sept 200425 WIGMORES NORTH, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6PG
Received 22 Oct 200854 Bridge Road Welwyn Garden City AL8 6UR
Received 21 Jul 202122 Digswell Road Welwyn Garden City AL8 7PA
Received 21 Nov 2025Essendonbury Farm Essendon Hill Essendon Hatfield AL9 6AF
Received 8 Nov 20161 Roe Green Close, Hatfield, AL10 9PD
Received 22 Aug 20132 Mardleybury Court, Woolmer Green, Knebworth, SG3 6LP
Received 8 Dec 201554 Blakemere Road, Welwyn Garden City, AL8 7PJ
Received 24 Aug 2015181 Howlands Welwyn Garden City AL7 4RL
Received 20 Jul 20212 Palmerston Close Welwyn Garden City AL8 7DL
Received 27 Feb 20254 Blakemere Road, Welwyn Garden City, AL8 7PJ
Received 19 Sept 2014Red Lion Hotel 88 Great North Road Hatfield AL9 5EU
Received 28 Aug 20143 Pentley Park Welwyn Garden City AL8 7RT
Received 20 Dec 202136 High Oaks Road Welwyn Garden City AL8 7BH
Received 14 Nov 2016The Doves Hill Farm Lane Welwyn AL6 9BU
Received 15 Sept 202014 Chestnut Walk Welwyn AL6 0SB
Received 1 Feb 201712 Glebe Cottages, Essendon, Hatfield, AL9 6HQ
Received 9 Dec 2013Heathfield Lodge Great North Road Little Heath Potters Bar EN6 1JD
Received 23 Dec 202417 Frampton Road Little Heath Potters Bar EN6 1JF
Received 30 Nov 201810 Brockett Close Welwyn Garden City AL8 7BN
Received 5 Feb 200730 High Oaks Road Welwyn Garden City AL8 7BH
Received 5 Jul 20186 St Marys Close Welwyn AL6 9RL
Received 7 Apr 201616 Marlborough Close Welwyn AL6 0UG
Received 5 Jun 2025Records 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