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
28,874 approved · 4,802 refused · 2,208 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
80 Pentley Park, Welwyn Garden City, AL8 7SG
Received 7 Jan 20164 BLENHIEM COURT, BROWNFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1AN
Received 11 Jan 2008209 Handside Lane Welwyn Garden City AL8 6TE
Received 31 Mar 202246 Brookmans Avenue Brookmans Park Hatfield AL9 7QJ
Received 27 Jul 20151 Holloways Lane Welham Green Hatfield AL9 7NR
Received 25 Oct 2021The Spinney High Road Essendon Hatfield AL9 6HT
Received 9 Jun 2015Land to the west of the Learning Resource Centre, University of Hertfordshire College Lane Hatfield AL10 9AB
Received 2 Aug 202122 King James Avenue Cuffley Potters Bar EN6 4LR
Received 23 Jun 2004First Floor 4 Wigmores South Welwyn Garden City AL8 6PL
Received 19 May 201721 Windhill Welwyn Garden City AL7 1RH
Received 9 Feb 2026Land at Birchall Lane, Cole Green Lane, Welwyn Garden City, AL7 3PU
Received 26 May 201525 Hill Rise Cuffley Potters Bar EN6 4EH
Received 15 Aug 202340 Homestead Lane Welwyn Garden City AL7 4NF
Received 8 Aug 202269 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JE
Received 3 Dec 200811 Longcroft Lane Welwyn Garden City AL8 6EB
Received 24 May 202124 Gooseacre Welwyn Garden City AL7 4NB
Received 15 May 201312 Longlands Road Welwyn Garden City AL7 3QB
Received 5 Jun 201994- Town Centre Hatfield AL10 0JW
Received 9 Dec 201526 Stonehills Welwyn Garden City AL8 6NA
Received 28 Nov 20225 JUNCTION COTTAGES Blakemere Road Welwyn Garden City AL8 7PH
Received 10 Sept 2004The Red House 54 New Road Digswell Welwyn AL6 0AH
Received 5 Apr 20139-11 Stonehills Welwyn Garden City AL8 6NA
Received 27 Apr 201815 The Meadway Cuffley Potters Bar EN6 4ET
Received 27 Feb 2025Oshwal Association of the UK, Oshwal Centre, Coopers Lane Road, Northaw, POTTERS BAR, EN6 4DG
Received 26 Apr 2013Records 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