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
28,939 approved · 4,812 refused · 2,214 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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.
19 Rosedale, Welwyn Garden City, AL7 1DW
Received 6 Oct 2016Oak View Primary and Nursery School Woods Avenue Hatfield AL10 8NW
Received 9 Dec 2019Swan Lodge, Bell Lane, Brookmans Park, Hatfield, AL9 7AY
Received 2 Feb 201611 BARLEYCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JX
Received 23 Oct 2008161 Howlands, Welwyn Garden City, AL7 4RL
Received 27 Jul 200761 Forresters Drive Welwyn Garden City AL7 2JA
Received 18 Jun 2025The Spinney, High Road, Essendon, Hatfield, AL9 6HT
Received 20 May 2019Former PUblic House 59 Station Road Cuffley Potters Bar EN6 4HX
Received 22 Jun 200728 Broad Acres Hatfield AL10 9LD
Received 1 Feb 2006120 College Lane
Received 2 Mar 200519 Oak Road Woolmer Green Knebworth SG3 6LS
Received 12 Sept 201673 The Commons Welwyn Garden City AL7 4RZ
Received 9 Oct 201930 Watchmead Welwyn Garden City AL7 1LT
Received 26 Jul 202111 Oak Piece Welwyn AL6 0XE
Received 15 Aug 20259 Monkswood Welwyn Garden City AL8 7EF
Received 4 Aug 2020Link Drive Car Park Link Drive Hatfield AL10 8TY
Received 4 Oct 20222 Firway Welwyn AL6 0RD
Received 26 Nov 200860 Homewood Avenue, Cuffley, Potters Bar, EN6 4QR
Received 28 Apr 201714 Willow Grove, Welwyn Garden City, AL8 7NA
Received 1 Apr 2016150 Longcroft Lane, Welwyn Garden City, AL8 6EN
Received 27 Oct 201536A Reynards Road Welwyn AL6 9TP
Received 20 Jan 202250 Fordwich Road Welwyn Garden City AL8 6EY
Received 11 Mar 202160 Moorlands, Welwyn Garden City, AL7 4QG
Received 19 Oct 20154 Firway Close Welwyn AL6 0RE
Received 31 Oct 2018Records 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.

Understanding planning · 13 min read
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

Property research · 13 min read
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