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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
9 Eastor Welwyn Garden City AL7 1PN
Received 22 Jul 202010 Pinewood, Welwyn Garden City, AL7 3TL
Received 19 Oct 2022116 Harmer Green Lane Digswell Welwyn AL6 0ET
Received 8 Nov 2022THE SUN INN, 31 LEMSFORD VILLAGE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7TN
Received 29 Sept 20099 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ
Received 14 Oct 2021Land at junction of Great North Road and Swanley Bar Lane, Potters Bar, HATFIELD, AL9 5ER
Received 18 Mar 20132 The Ridgeway, Cuffley, Potters Bar, EN6 4AR
Received 14 Feb 2014Street Record Bartlett Close Welwyn Garden City AL7 4AX
Received 5 May 2022Upper Cromer Hyde Farm, Cromer Hyde Lane, Lemsford, Welwyn Garden City, AL8 7XE
Received 10 Feb 2016The Bungalow Great North Road Hatfield Hertfordshire AL9 6DB
Received 14 Mar 20221 Bradmore Way, Brookmans Park, Hatfield AL9 7QY
Received 1 Jun 202132 Somers Road Welham Green Hatfield AL9 7PX
Received 27 Sept 202118 Longcroft Lane Welwyn Garden City AL8 6EA
Received 8 Aug 20222 Roundwood Close Welwyn AL6 0XB
Received 18 Dec 20141 Roundwood Drive, Welwyn Garden City, AL8 7JZ
Received 12 Aug 200410 Brockett Close, Welwyn Garden City, AL8 7BN
Received 2 Dec 20085 GUESSENS WALK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6QS
Received 19 Feb 20091 Reynards Road Welwyn AL6 9TR
Received 2 Jun 20232 Hillcrest Hatfield AL10 8HW
Received 31 Mar 201739 BLAKEMERE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PQ
Received 27 Feb 200983 Haseldine Meadows Hatfield AL10 8HA
Received 30 Jun 202045 Longcroft Lane, Welwyn Garden City, AL8 6EB
Received 8 Sept 201514 Wellington Drive Welwyn Garden City AL7 2NJ
Received 5 Nov 201876 Brockswood Lane, Welwyn Garden City, AL8 7BQ
Received 13 Feb 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.
Check collection coverage