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
28,760 approved · 4,791 refused · 2,199 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 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 Counts reflect the last collected status; some records may be out of date.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.
114 Parkway Welwyn Garden City AL8 6HN
Received 25 Sept 2026Bishops Rise Hatfield AL10 9QT
Received 8 Mar 202329 Hill Rise Cuffley Potters Bar EN6 4EH
Received 21 Feb 201999 Brookside Crescent Cuffley Potters Bar EN6 4QP
Received 28 Jun 2004207 St Albans Road West Hatfield AL10 0SZ
Received 20 Jul 202341 Langstone Ley Welwyn Garden City AL7 1FR
Received 28 May 2025The Forge Hill Farm Lane Welwyn AL6 9BW
Received 8 Feb 200611 Little Youngs Welwyn Garden City AL8 6SL
Received 23 Jun 20233 The Paddocks, Welwyn Garden City, AL7 2BW
Received 8 Jun 2004North Mymms Cricket Club North Mymms Park Tollgate Road North Mymms
Received 19 May 2004Blackthorn House West End Lane Essendon Hatfield AL9 6AX
Received 31 May 200727 Archers Ride, Welwyn Garden City, AL7 4PR
Received 5 Oct 201559 Millwards, Hatfield, AL10 8UR
Received 31 May 2016Ayot Farm Bibbs Hall Lane Welwyn AL6 9BY
Received 1 Feb 20223 Cotters Croft Welwyn Garden City AL7 4AZ
Received 14 Oct 201671 DIGSWELL PARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NW
Received 6 Sept 2007The Red House 54 New Road Digswell Welwyn AL6 0AH
Received 21 Dec 2012LAND AT, 2 SHALLCROSS CRESCENT, HATFIELD, HERTFORDSHIRE, AL10 9QH
Received 5 Oct 2007Plot 6000, Land adjacent to Porsche Garage, Hatfield Avenue, Hatfield Business Park, Hatfield AL10 9UA
Received 9 Jun 202227 Selwyn Crescent Hatfield AL10 9NL
Received 25 Oct 20048 Hook Lane Northaw Potters Bar EN6 4DA
Received 3 Apr 2023317 St Albans Road West Hatfield AL10 9RJ
Received 7 Aug 202359 Digswell Park Road Welwyn Garden City AL8 7NW
Received 2 Oct 201910 Alconbury, Welwyn Garden City, AL7 2QL
Received 16 Dec 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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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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