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
28,931 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
87 Woodhall Lane Welwyn Garden City AL7 3TH
Received 27 Feb 20189 CYPRESS AVENUE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1HN
Received 28 May 200843 Moorlands Welwyn Garden City AL7 4PY
Received 29 Apr 202676 Brockswood Lane, Welwyn Garden City, AL8 7BQ
Received 26 Oct 20217 Bushey Ley, WELWYN GARDEN CITY, AL7 3EY
Received 11 Jul 201333 Lemsford Road Hatfield AL10 0DL
Received 23 Apr 202024 Stag Green Avenue Hatfield AL9 5DZ
Received 25 Mar 2004257 Handside Lane, Welwyn Garden City, AL8 6TF
Received 5 Feb 200442 TURMORE DALE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HS
Received 10 Feb 2010Sparrow Farm, Newgate Street Village, Hertford, SG13 8QR
Received 30 Jan 20153 Holme Close Hatfield AL10 9LQ
Received 18 Jan 201975 The Ridgeway Cuffley Potters Bar EN6 4BD
Received 14 Feb 202336 Sheepcote Welwyn Garden City AL7 4QD
Received 8 May 201716 Horsa Gardens Hatfield AL10 9GF
Received 10 Dec 2018Land adjacent to, 45A King James Avenue, Cuffley, POTTERS BAR, EN6 4LN
Received 27 Jun 201369 Knightsfield, Welwyn Garden City, AL8 7JE
Received 5 Dec 2013Hatfield Delivery Office, 38 Town Centre, Hatfield, AL10 0AA
Received 5 Apr 201644 Attimore Road Welwyn Garden City AL8 6LP
Received 26 Jul 202123 Dellcott Close Welwyn Garden City AL8 7BB
Received 1 Jul 2020Broadwater House, 43-45 Broadwater Road, Welwyn Garden City, AL7 3AX
Received 8 Jul 2016125 Sweet Briar Welwyn Garden City AL7 3EB
Received 4 Mar 20219 Georges Wood Road Brookmans Park Hatfield AL9 7BY
Received 30 Jun 20151 - 35 Woodpecker Close, Hatfield, AL10 9ET
Received 24 Dec 20136 Moorend Welwyn Garden City AL7 4QL
Received 30 Apr 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.

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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