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
28,819 approved · 4,798 refused · 2,204 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 30 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 Counts reflect the last collected status; some records may be out of date.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.
48 Woods Avenue Hatfield AL10 8NA
Received 19 Mar 202433 Sherrardspark Road Welwyn Garden City AL8 7JW
Received 13 Oct 202216 Brockswood Lane, Welwyn Garden City, AL8 7BG
Received 25 Oct 201331 Longcroft Lane Welwyn Garden City AL8 6EB
Received 21 Sept 2023Quartermans Cottage Digswell Lane Welwyn AL6 0SP
Received 24 Mar 202681 Valley Road Welwyn Garden City AL8 7DR
Received 29 Aug 201911 Fore Street Hatfield AL9 5AN
Received 14 Sept 2017Units 1- 4 Watchmead Welwyn Garden City AL7 1GX
Received 22 Nov 201625 THEOBALD'S ROAD, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4HQ
Received 11 Mar 200810 East Ridgeway Cuffley Potters Bar EN6 4AP
Received 28 Oct 200527 Wilshere Road Welwyn AL6 9PU
Received 11 Jan 202110 Beechfield Road Welwyn Garden City AL7 3RF
Received 17 Jul 2018Amesbury Bride Hall Lane Welwyn AL6 9BX
Received 15 Mar 2021Orchard House, Hatfield Park, Great North Road, Hatfield, AL9 5NH
Received 9 May 201825 The Meadway Cuffley Potters Bar EN6 4ET
Received 27 Apr 2006THE FREE CHURCH, CHURCH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8
Received 3 May 200612 PARKWAY CLOSE, WELWYN GARDEN CITY, AL8 6HJ
Received 8 Aug 200818 Pondcroft, Welwyn Garden City, AL7 3XJ
Received 1 Aug 2008Howard House Welwyn Garden City AL8 6PA
Received 2 Oct 2026123 Handside Lane, Welwyn Garden City, AL8 6TA
Received 16 Jul 2007LAND AT, POTTERELLS, STATION ROAD, NORTH MYMMS, HATFIELD, HERTFORDSHIRE
Received 28 Nov 200523 Far End Hatfield AL10 8TG
Received 28 Jan 20251 SWALLOW END, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1JA
Received 25 Sept 200810A Oaklea Wood Welwyn AL6 0PJ
Received 6 Aug 2025Records 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