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28,874 approved · 4,802 refused · 2,208 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
Land adjacent to, A414 at The Common, south of QEII Hospital, Hatfield, AL9 5PE
Received 1 Jan 198813 Bridge Road Woolmer Green Knebworth SG3 6JL
Received 31 Mar 20049-11 Church Street Welwyn AL6 9LN
Received 19 Jul 202220 Parkfields Welwyn Garden City AL8 6ED
Received 6 May 202521 Mandeville Rise Welwyn Garden City AL8 7JU
Received 12 Sept 20193 Guessens Walk, Welwyn Garden City, AL8 6QS
Received 22 Nov 2013MARTIN THE NEWSAGENT LTD, 47 COLE GREEN LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3PP
Received 5 Nov 2004138 Oakdale, Welwyn Garden City, AL8 7QX
Received 19 May 20223 Oakington Welwyn Garden City AL7 2PS
Received 27 Jan 2022189 Handside Lane Welwyn Garden City AL8 6TE
Received 5 Apr 2017BP Service Station, Welwyn By Pass, Welwyn, AL6 9DJ
Received 23 Oct 201410 Dognell Green Welwyn Garden City AL8 7BL
Received 18 Feb 2025119 Sloansway, Welwyn Garden City, AL7 1NF
Received 27 Jan 2004Old Owens Sports Ground Coopers Lane Northaw EN6 4NE
Received 13 Jun 2023Tanum Farm Hawkshead Road Little Heath Potters Bar EN6 1LX
Received 17 Feb 200615- 16 BRADMORE GREEN, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QW
Received 23 May 200617 Vine Close Welwyn Garden City AL8 7PS
Received 17 Dec 20203 Graysfield Welwyn Garden City AL7 4BL
Received 14 Jul 201542 Digswell Rise, Welwyn Garden City, AL8 7PW
Received 28 Mar 202312 The Valley Green Welwyn Garden City AL8 7DQ
Received 9 Apr 202634 Great North Road Welwyn Garden City AL8 7TJ
Received 1 Jan 198831 Barleycroft Road Welwyn Garden City AL8 6JX
Received 14 Jul 202117 Bracken Lane Welwyn AL6 0RB
Received 18 Sept 200761 Oaklands Avenue Brookmans Park Hatfield AL9 7UH
Received 31 Jan 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.

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.
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