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
28,870 approved · 4,802 refused · 2,207 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
7 Homerfield, Welwyn Garden City, AL8 6QZ
Received 15 May 200816 Sheepcote, Welwyn Garden City, AL7 4QD
Received 3 Dec 2014143 Boundary Lane Welwyn Garden City AL7 4EQ
Received 2 Oct 2025Chequersfield Welwyn Garden City AL7 4TX
Received 28 Aug 2019Copperkins Lodge 43A Harmer Green Lane Digswell Welwyn AL6 0AP
Received 8 Aug 2007Bush Hall Hotel Chequers Hatfield AL9 5NT
Received 17 Feb 202019 Greenfield Welwyn Garden City AL8 7HW
Received 4 Feb 20211 Great North Road Hatfield AL9 6LB
Received 1 Sept 2022158 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4RG
Received 15 Jan 200944 High Oaks Road Welwyn Garden City AL8 7BS
Received 14 Jun 20075 Evergreen Close Woolmer Green SG3 6JN
Received 19 May 2026Pentagon 144-146 Great North Road Hatfield AL9 5JN
Received 5 Apr 200819 Dayemead, WELWYN GARDEN CITY, AL7 4RX
Received 10 May 201312 Upperfield Road, Welwyn Garden City, AL7 3LW
Received 5 Aug 201317 Church Lane Hatfield AL9 5HX
Received 21 May 2014LLOYDS BANK PLC, 49 HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6BA
Received 2 Jul 200425 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QH
Received 4 Jun 201415 Oak Piece Welwyn AL6 0XE
Received 7 Aug 20087 HILLSIDE, WELWYN GARDEN CITY, HERTS, AL7 4PZ
Received 3 Jun 200852 Maryland Hatfield AL10 8DX
Received 3 Sept 2025EDGE HOUSE, KENTISH LANE, BROOKMANS PARK, HERTFORDSHIRE, AL9 6NH
Received 1 Jul 2008Orchard House Oaklea Welwyn AL6 0PT
Received 9 Apr 20203 Woodland Rise Welwyn Garden City AL8 7LE
Received 12 Dec 202544 HIGH ROAD, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6HW
Received 4 Aug 2009Records 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