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
28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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.
Plas-Y-Coed Digswell Lane Welwyn AL6 0SN
Received 30 Oct 201962 Handside Lane Welwyn Garden City AL8 6SJ
Received 6 Feb 201830 Upland Drive Brookmans Park Hertfordshire AL9 6PT
Received 16 Mar 202273 Bluebridge Road Hatfield AL9 7UW
Received 30 Sept 2022The Bee House Hanbury Lane Essendon Hatfield AL9 6AY
Received 24 Apr 200624 Longcroft Gardens Welwyn Garden City AL8 6JR
Received 23 Apr 20184 Woodland Rise, Welwyn Garden City, AL8 7LF
Received 12 Aug 2014108 Mill Green Road, Welwyn Garden City, AL7 3XE
Received 1 Jan 198817A The Broadway Hatfield AL9 5HZ
Received 21 Sept 2026The Peartree Hollybush Lane Welwyn Garden City AL7 4JJ
Received 23 Nov 201526 Blakemere Road, Welwyn Garden City, AL8 7PJ
Received 11 May 20167 BRUNTS HALL, WILD HILL ROAD, HATFIELD, HERTFORDSHIRE, AL9 6DN
Received 20 Jan 2006Land at Pooleys Lane Welham Green AL9 7LQ
Received 12 May 20257 Town Centre Hatfield AL10 0JZ
Received 21 May 2025Stanborough School, Lemsford Lane, Welwyn Garden City, AL8 6YR
Received 11 Mar 20166 South Mundells Welwyn Garden City AL7 1EP
Received 20 Apr 202641 Barleycroft Road Welwyn Garden City AL8 6JX
Received 29 Jul 202017 Hill Rise Cuffley Potters Bar EN6 4ED
Received 10 May 2021Paynes Farm New Road Woolmer Green Knebworth SG3 6LE
Received 31 Dec 201835 Elmwood Welwyn Garden City AL8 6LD
Received 11 Mar 202238 WYTON, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2PF
Received 21 Feb 2008GT Towing Great North Road Welham Green Hatfield AL9 5SD
Received 10 Oct 20142 Moorside Welwyn Garden City AL7 4QH
Received 30 Dec 202012 Firs Wood Close Northaw Potters Bar EN6 4BY
Received 21 Oct 2019Records 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.

Understanding planning · 13 min read
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

Property research · 13 min read
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