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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 31 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 Counts reflect the last collected status; some records may be out of date.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.
92 Pentley Park, WELWYN GARDEN CITY, AL8 7SG
Received 28 May 2013Garage Site to Rear of, 10-12 Great Ganett, Welwyn Garden City, AL7 3DF
Received 18 Mar 201517 Wendover Drive Welwyn AL6 9LT
Received 22 Feb 2014LAND AT JUNCTION OF, BRIDGE ROAD EAST AND BESSEMER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7
Received 25 Jan 20079 Wilshere Road Welwyn AL6 9PU
Received 7 Aug 2014Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB
Received 20 Nov 20243 Hook Lane Northaw Potters Bar Hertfordshire EN6 4DA
Received 26 Mar 20246A Parkhouse Court, Hatfield, AL10 9RQ
Received 9 Sept 201616 School Lane Welwyn AL6 9PH
Received 12 Oct 202036 Marsden Green, WELWYN GARDEN CITY, AL8 6YB
Received 11 Feb 2013109 Woodhall Lane Welwyn Garden City AL7 3TP
Received 23 Feb 2022land at, 37-48 Lambs Close, Cuffley, Potters Bar, EN6 4HD
Received 16 Sept 201310 Beehive Green Welwyn Garden City Hertfordshire AL7 4BE
Received 21 Mar 202223 Parkfields, Welwyn Garden City, AL8 6EE
Received 5 Nov 201312 Heather Road Welwyn Garden City AL8 6XU
Received 21 Mar 201836 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HQ
Received 18 Nov 2008118 Holwell Road, Welwyn Garden City, AL7 3RW
Received 30 Sept 201424 Thistle Grove Welwyn Garden City AL7 4AN
Received 23 Jul 202014 Cranfield Crescent Cuffley Potters Bar EN6 4EA
Received 6 Dec 200525 Lady Grove Welwyn Garden City AL7 4DS
Received 6 Apr 20069 Barnard Green Welwyn Garden City AL7 3NG
Received 1 Nov 202031 Stonehills, Welwyn Garden City, AL8 6NA
Received 1 Jan 198845 Robbery Bottom Lane Welwyn AL6 0UL
Received 10 Feb 2020Nyn Manor Vineyards Road Northaw Potters Bar EN6 4PQ
Received 13 Jul 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.

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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