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
28,934 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
37 The Ridgeway, Cuffley, POTTERS BAR, EN6 4BB
Received 9 Jan 201319 Roundwood Drive, Welwyn Garden City, AL8 7JZ
Received 1 Jul 201449 Knightsfield Welwyn Garden City AL8 7JE
Received 12 Nov 202412 Parkway Close Welwyn Garden City AL8 6HJ
Received 13 Sept 201814B NORTHAW ROAD WEST, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NR
Received 26 May 200933 Oaklands Rise Welwyn AL6 0RN
Received 20 Jul 202634 BURROWFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4SR
Received 26 Aug 200826 Beehive Lane Welwyn Garden City AL7 4BQ
Received 16 Mar 201730 Campion Road Hatfield AL10 9FT
Received 20 Sept 20132 The Gardens, Brookmans Park, Hatfield, AL9 7UL
Received 11 Sept 201876 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HH
Received 18 Oct 20087 Hook Lane Northaw Potters Bar EN6 4DA
Received 28 Jun 202411 The Valley Green Welwyn Garden City AL8 7DQ
Received 11 Feb 2025112 The Commons, Welwyn Garden City, AL7 4SB
Received 7 Sept 2016CUCUMBER HALL FARM, CUCUMBER LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6JB
Received 14 Jul 200941 Cole Green Lane, Welwyn Garden City, AL7 3PP
Received 1 Jan 198749 Knightsfield, Welwyn Garden City, AL8 7JE
Received 13 Mar 200620 Turmore Dale, Welwyn Garden City, AL8 6HS
Received 30 Dec 201479 Sweet Briar Welwyn Garden City AL7 3EB
Received 2 Nov 2020Former Mount Pleasant Depot, Mount Pleasant Lane, Hatfield, AL9 5NR
Received 3 Jun 201342 MYMMS DRIVE, BROOKMANS PARK, HERTFORDSHIRE, AL9 7AF
Received 30 Sept 200816 High Oaks Road Welwyn Garden City AL8 7BH
Received 14 Aug 202346 GEORGES WOOD ROAD, BROOKMANS PARK, HERTFORDSHIRE, AL9 7BT
Received 8 Jun 200961 Robbery Bottom Lane Welwyn AL6 0UL
Received 1 Aug 2008Records 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