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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 2 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 Counts reflect the last collected status; some records may be out of date.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.
30 Parkside Welwyn AL6 9DQ
Received 7 Mar 20131 Ellenbrook Crescent Hatfield AL10 9RP
Received 25 Aug 20215 Harmer Dell Welwyn AL6 0BE
Received 28 May 200880 Springfields Welwyn Garden City AL8 6XL
Received 10 Jun 2021UNIT 11 QUADRANT PARK, MUNDELLS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1EW
Received 29 Nov 2007Tesco Express 59 Station Road Cuffley Potters Bar EN6 4HX
Received 3 Sept 20132 Dewars Close Welwyn AL6 9RR
Received 3 Apr 200642-63 Guessens Court Welwyn Garden City AL8 6RB
Received 14 Mar 202519 Scholars Mews Welwyn Garden City AL8 7JQ
Received 25 Jun 20252 Copse Hill Welwyn AL6 0SG
Received 15 Jan 20199 Robin Mead Welwyn Garden City AL7 1PP
Received 4 Jan 202316 PENTLEY PARK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RU
Received 14 Sept 2009126 PEARTREE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3XW
Received 12 Mar 2009144B Dixons Hill Road Welham Green Hatfield AL9 7DN
Received 28 Aug 20197 MANOR ROAD, HATFIELD, HERTFORDSHIRE, AL10 9LN
Received 30 Jan 2009Former Roche Product Factory 40 Broadwater Road Welwyn Garden City AL7 3AY
Received 7 Aug 201958 Broad Acres Hatfield AL10 9LD
Received 3 Nov 202015 Batterdale Hatfield AL9 5JF
Received 14 Jul 201550-52 Town Centre, Hatfield, AL10 0JJ
Received 22 Jan 201412 Mardley Avenue Welwyn AL6 0UD
Received 4 Jul 2008THE LIMES, 51 HIGH ROAD, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6HS
Received 16 Jul 2009Hyde Club, Hollybush Lane, Welwyn Garden City, AL7 4JS
Received 12 Nov 2013UNIT F, ESSENDON PLACE, HIGH ROAD, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6HX
Received 25 Oct 20042 Farm Close, Cuffley, Potters Bar, EN6 4RQ
Received 14 Mar 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.

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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.

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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