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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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.
17 Barleycroft Green Welwyn Garden City AL8 6JY
Received 4 Nov 202452 Warren Way Digswell Welwyn AL6 0DN
Received 14 Mar 2023LAND AT, COMET WAY, HATFIELD, HERTFORDSHIRE, AL109TZ
Received 4 Apr 200670 Boundary Lane, Welwyn Garden City, AL7 4DP
Received 18 Sept 20133 Holwell Manor Cottages Essendon Hill Essendon Hatfield AL9 6AE
Received 24 Jun 2024Stables Opposite Ayot Farm Bibbs Hall Lane Ayot St Lawrence AL6 9BY
Received 3 Feb 2026118 Howlands, Welwyn Garden City, AL7 4RG
Received 3 Jun 201460 Attimore Road Welwyn Garden City AL8 6LP
Received 10 Jun 201575 Hardings Welwyn Garden City AL7 2HA
Received 18 Jan 202231 HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6AP
Received 21 Nov 200718 Oaklands Rise Welwyn AL6 0RN
Received 22 Nov 20168 Hall Grove Welwyn Garden City AL7 4PH
Received 19 Nov 202047 Viaduct Way Welwyn Garden City AL7 1UB
Received 7 Jan 202114 Hillside Welwyn Garden City AL7 4PZ
Received 9 Nov 2017164 Tolmers Road, Cuffley, Potters Bar, EN6 4JR
Received 27 Jan 2015THE OAK VETERINARY PRACTICE, Mill Green Road, Welwyn Garden City, AL7 3XB
Received 2 May 200662 Westland Drive Brookmans Park Hatfield AL9 7UQ
Received 6 Oct 202218 Pleasant Rise Hatfield AL9 5DS
Received 29 Jul 2020348 Howlands Welwyn Garden City AL7 4HD
Received 26 Jul 2021Land rear of 44-52 Garden Avenue Hatfield AL10 8LN
Received 3 Oct 2014Hertfordshire Constabulary Stanborough Road Welwyn Garden City Hertfordshire AL8 6XF
Received 25 Oct 202222 Reynards Road Welwyn AL6 9TP
Received 20 Nov 201920 Selwyn Crescent Hatfield AL10 9NN
Received 23 Jun 2022Dimsdale House, Essendon Place, High Road, Essendon, Hatfield, AL9 6GZ
Received 22 Apr 2015Records 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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