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28,874 approved · 4,802 refused · 2,208 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
26 High Street Welwyn AL6 9EQ
Received 18 Oct 201974 Brocket Road Welwyn Garden City AL8 7TU
Received 19 Oct 201876 Herns Lane Welwyn Garden City AL7 2AH
Received 24 Mar 200625 Swanley Crescent Little Heath Potters Bar EN6 1NQ
Received 20 Nov 20201 Melbourne Court Welwyn Garden City AL8 6LL
Received 1 Jun 2021Land bordering, 66 Bridge Road & Brockswood Corner, Welwyn Garden City, AL8 6UR
Received 2 Dec 201335 DIXONS HILL CLOSE, WELHAM GREEN, HATFIELD, HERTS, AL9 7EF
Received 22 Feb 2008Land rear of 26 Mardley Avenue Welwyn AL6 0TZ
Received 30 Apr 20045 The Old Drive Welwyn Garden City AL8 6TB
Received 14 Nov 20223 Attimore Road Welwyn Garden City AL8 6LH
Received 10 Feb 20225 Breakmead Welwyn Garden City AL7 3HG
Received 21 Sept 202296 Pentley Park, WELWYN GARDEN CITY, AL8 7SG
Received 17 Oct 2012175 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JA
Received 31 Jul 20095 Wheatley Road, Welwyn Garden City, AL7 3LL
Received 27 Aug 200823 Wolves Mere Woolmer Green Knebworth SG3 6JW
Received 21 Aug 201824 Honeysuckle Gardens Hatfield AL10 8PJ
Received 25 May 202353 Marsden Road Welwyn Garden City AL8 6YH
Received 15 Jun 202116 Broadfield Place Welwyn Garden City AL8 6LJ
Received 29 Jun 202622 Hawkshead Lane Hatfield AL9 7TB
Received 25 Nov 202030 SANDPIT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3TJ
Received 30 Jan 20097 Stockbreach Close Hatfield AL10 0AZ
Received 2 May 2020Unit 3 Swallow End Welwyn Garden City AL7 1JA
Received 19 Jan 202229 Little Ganett Welwyn Garden City AL7 3DG
Received 13 Mar 2023Garages at Burycroft, Welwyn Garden City, AL8 7AW
Received 8 Dec 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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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