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
28,849 approved · 4,801 refused · 2,206 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 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 Counts reflect the last collected status; some records may be out of date.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.
52 Plough Hill Cuffley Potters Bar EN6 4DS
Received 14 Sept 200414 The Avenue Welwyn Hertfordshire AL6 0PN
Received 1 Mar 20237 Youngs Rise, Welwyn Garden City, AL8 6RT
Received 29 Sept 2014Station Masters House 15 Harmer Green Lane Digswell Welwyn, AL6 0AS
Received 14 Sept 201663 Travellers Lane Hatfield AL10 8SB
Received 20 Dec 201836 Mulberry Mead, HATFIELD, AL10 9EN
Received 9 Jan 201314 Russellcroft Road Welwyn Garden City AL8 6QT
Received 25 Mar 202554 The Ryde Hatfield AL9 5DL
Received 12 Jul 202419 Meadow Croft, Hatfield, AL10 0SG
Received 30 Dec 20156 Firway Close Welwyn AL6 0RE
Received 3 Oct 201851 TOLMERS ROAD, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4JG
Received 1 Oct 200724 Attimore Road Welwyn Garden City AL8 6LW
Received 17 Nov 20227 Nutfield, Welwyn Garden City, AL7 1UL
Received 27 Mar 200741 Turmore Dale Welwyn Garden City AL8 6HT
Received 6 Dec 202292 Sweet Briar Welwyn Garden City AL7 3EA
Received 9 May 201860 Lockley Crescent Hatfield AL10 0TP
Received 20 Dec 2007RATCLIFF PALFINGER LTD, BESSEMER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1ET
Received 24 Apr 200736 Hill Rise Cuffley Potters Bar EN6 4EJ
Received 9 Mar 201735 Roe Green Lane, Hatfield, AL10 0SH
Received 14 Mar 2017LAND AT, SHEEPCOTE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4QA
Received 25 Jun 200921 Deerswood Avenue Hatfield AL10 8RX
Received 14 Oct 202459 Bradmore Green Hatfield AL9 7QS
Received 23 Aug 202248 Bridge Road Welwyn Garden City AL8 6UR
Received 6 Sept 201821 Mandeville Rise Welwyn Garden City AL8 7JT
Received 14 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