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
29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 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 Counts reflect the last collected status; some records may be out of date.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.
126 Great North Road Hatfield AL9 5JN
Received 23 Jan 2020The Spinney 27 The Ridgeway Cuffley Potters Bar EN6 4BB
Received 2 Feb 2018125 Aldykes Hatfield AL10 8EB
Received 23 Nov 201894 The Commons Welwyn Garden City AL7 4SB
Received 29 Jun 20212 Dellcott Close Welwyn Garden City AL8 7BD
Received 7 Apr 202147 Mulberry Mead Hatfield AL10 9EH
Received 19 Oct 2020138 Parkway, Welwyn Garden City, AL8 6HP
Received 12 Oct 200575 Newfields Welwyn Garden City AL8 6YS
Received 16 Sept 20216 Handside Green Welwyn Garden City Hertfordshire AL8 6SQ
Received 6 Jul 202216 Barleycroft Road Welwyn Garden City AL8 6JU
Received 28 Nov 20177 Travellers Lane Hatfield AL10 8SE
Received 23 Mar 2007LAND AT, TRAVELLERS LANE, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7HW
Received 15 Feb 200728 Longcroft Lane Welwyn Garden City AL8 6EA
Received 7 Nov 20167 ETHELRED CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3QF
Received 13 Jul 200947 Homewood Avenue, Cuffley, Potters Bar, EN6 4QQ
Received 8 Feb 2016129 Thistle Grove Welwyn Garden City AL7 4AG
Received 16 Apr 201837 Woodland Rise, Welwyn Garden City, AL8 7LJ
Received 26 Apr 20068 Guessens Road Welwyn Garden City AL8 6QR
Received 8 Dec 202052 Sherrardspark Road Welwyn Garden City AL8 7LB
Received 25 Apr 201627 Kentish Lane, Brookmans Park, Hatfield, AL9 6NG
Received 18 Jul 201327 Wilshere Road Welwyn AL6 9PU
Received 28 Jan 20131 Applecroft Road, Welwyn Garden City, AL8 6JZ
Received 29 Sept 2014Tolmers Scout Camp, Tolmers Road, Cuffley, Potters Bar, EN6 4JS
Received 17 Nov 2015Everest House Sopers Road Cuffley Potters Bar EN6 4SG
Received 21 Nov 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.

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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