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
29,006 approved · 4,820 refused · 2,220 withdrawn. Received dates in our records: 29 Apr 1948 to 3 Nov 2026. Most recent record check: 10 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 Counts reflect the last collected status; some records may be out of date.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.
Emmanuel House And Wingate Business Centre Travellers Close Welham Green Hatfield AL9 7LD
Received 24 Feb 202512 Rollswood Road Welwyn AL6 9TX
Received 2 Nov 202140 New Road Digswell Welwyn AL6 0AH
Received 18 Dec 20156 Newitt Court Welwyn AL6 9FY
Received 19 Mar 20185B Roundabout Lane Welwyn AL6 0TH
Received 8 Jul 2020104 Brookside Crescent Cuffley Potters Bar EN6 4QL
Received 16 May 201739 Warrengate Road North Mymms Hatfield Hertfordshire AL9 7TT
Received 25 Jul 202246 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LP
Received 24 Jun 200850 BULLENS GREEN LANE, ST ALBANS, HERTFORDSHIRE, AL4 0QS
Received 20 Aug 200943 The Crescent Welwyn AL6 9JG
Received 13 Jun 20147A Oaklands Rise Welwyn AL6 0RH
Received 15 Feb 201643 Handside Lane, Welwyn Garden City, AL8 6SH
Received 20 Nov 201333 Knightsfield, Welwyn Garden City, AL8 7JE
Received 29 May 2007Wendover Lodge Church Street Welwyn AL6 9LR
Received 8 Dec 2025Brocket Hall Golf Academy Welwyn Garden City AL8 7XG
Received 26 Jun 2025LAND AT, 29 BROADWATER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3BQ
Received 12 Mar 20075 Little Youngs Welwyn Garden City AL8 6SL
Received 18 Aug 20154 Palmerston Close Welwyn Garden City AL8 7DL
Received 13 Dec 202161 Tolmers Road, Cuffley, Potters Bar, EN6 4JG
Received 14 Sept 20153 Handside Close Welwyn Garden City AL8 6SR
Received 6 Mar 202415 Mardley Wood Welwyn AL6 0UY
Received 22 Sept 2021124 Parkway Welwyn Garden City AL8 6HN
Received 1 Oct 202611 Georges Wood Road Brookmans Park AL9 7BY
Received 10 Aug 2026Denmark House, Parkway, Welwyn Garden City, AL8 6JN
Received 11 Feb 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