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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 8 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 Counts reflect the last collected status; some records may be out of date.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 Tolmers Road Cuffley EN6 4JL
Received 16 Mar 20231 Brooksfield Welwyn Garden City AL7 2BJ
Received 16 Sept 2022Lockley Farm Welwyn AL6 0BL
Received 19 Jan 2018Gable House ESSENDON PLACE High Road Essendon Hatfield AL9 6GZ
Received 23 Dec 2005145 Parkway Welwyn Garden City AL8 6JB
Received 21 May 202116 VINEYARDS ROAD, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4PA
Received 20 Mar 200846 Bluebridge Road, Brookmans Park, Hatfield, AL9 7SA
Received 12 Nov 201311 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 9 Mar 2018130 Crawford Road Hatfield Hertfordshire AL10 0PA
Received 9 Jun 2022Heathfield Lodge Great North Road Little Heath Potters Bar Hertfordshire EN6 1JD
Received 9 Jun 202210 Hawbush Rise Welwyn AL6 9PN
Received 6 Jun 20196 Lea Green Mill Green Lane Hatfield AL9 5NX
Received 4 Jul 2018Unit 54 The Howard Centre, Howardsgate, Welwyn Garden City, AL8 6HA
Received 18 Nov 201358 Northaw Road East Cuffley Potters Bar EN6 4LZ
Received 20 Mar 200724 DELLSOME LANE, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7NF
Received 9 Jul 20079 Elmwood Welwyn Garden City AL8 6LD
Received 12 Oct 2018226 Daniells Welwyn Garden City AL7 1QQ
Received 26 May 2017WELWYN GARDEN CITY FOOTBALL CLUB, HERNS LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1TA
Received 22 Jan 2009Guessens Mews Codicote Road Welwyn Hertfordshire AL6 9GS
Received 4 Nov 202229 Barleycroft Road Welwyn Garden City AL8 6JX
Received 19 Mar 2025The Barn Tewin Water Farm Hertford Road Digswell Welwyn AL6 0BX
Received 8 Mar 2004Osborne House Farm Hawkshead Road Little Heath Potters Bar EN6 1LX
Received 14 Apr 202521 Elm Gardens, Welwyn Garden City, AL8 6RX
Received 1 May 201524 Windsor Road Welwyn AL6 9JJ
Received 17 Sept 2020Records 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