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
28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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.
23 Attimore Road Welwyn Garden City AL8 6LQ
Received 3 Apr 200621 High Oaks Road Welwyn Garden City AL8 7BJ
Received 15 Dec 2025UNIVERSITY OF HERTFORDSHIRE, STUDENT FORUM, COLLEGE LANE, HATFIELD, HERTFORDSHIRE, AL10 9PN
Received 9 Feb 200925 Pentley Park Welwyn Garden City AL8 7RT
Received 23 Jul 20208 Chelwood Avenue Hatfield AL10 0RE
Received 1 Mar 2022WEST HOUSE DIGSWELL PLACE, RECTORY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7SU
Received 3 Aug 200744 Handside Lane, Welwyn Garden City, AL8 6SJ
Received 7 Mar 2014Part 2nd Floor 1-7 Fountain House Howardsgate Welwyn Garden City AL8 6AL
Received 26 Nov 201818 Endymion Road Hatfield Hertfordshire AL10 8AS
Received 30 Mar 20221 Byfield Welwyn Garden City AL8 7AL
Received 10 Jan 202254 College Lane Hatfield AL10 9PQ
Received 3 May 20191 Ellenbrook Crescent Hatfield AL10 9RP
Received 12 Jan 2016Cucumber Barn, Cucumber Lane, Essendon, Hatfield, AL9 6JB
Received 28 Oct 2014Land at Northaw Road East, Cuffley, POTTERS BAR, EN6 4LU
Received 14 Mar 20137 Sutherland Way Cuffley Potters Bar EN6 4EG
Received 10 Dec 202069 Oakdale Welwyn Garden City AL8 7QP
Received 5 May 2017Boltons Park Farm 44 Hawkshead Road Little Heath Potters Bar EN6 1NB
Received 4 Jul 202311 MANDEVILLE RISE, WELWYN GARDEN CITY, HERTS, AL8 7JT
Received 29 Jun 200940 Mymms Drive, Brookmans Park, Hatfield, AL9 7AF
Received 2 Nov 2016Linden Cottage, 62 Crossway, Welwyn Garden City, AL8 7EE
Received 22 Apr 2016Brickwall House Nursing Home Great North Road Welwyn Garden City AL8 7SR
Received 1 Jan 1996322 Knightsfield Welwyn Garden City AL8 7NQ
Received 9 Dec 202131 Colgrove Welwyn Garden City AL8 6HY
Received 12 Apr 20214 Harmer Green Lane Digswell Welwyn AL6 0AD
Received 4 Feb 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