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
29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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.
16 Barleycroft Green Welwyn Garden City AL8 6JY
Received 19 Apr 20214 Moatwood Green Welwyn Garden City AL7 3SN
Received 16 Aug 20206 Selwyn Avenue Hatfield AL10 9NP
Received 15 Oct 202024 The Croft Welwyn Garden City AL7 4JY
Received 17 Jul 2024COSTA COFFEE LTD, 50 HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6BP
Received 10 May 2006Welwyn North Station Harmer Green Lane Digswell Welwyn AL6 0AS
Received 11 Aug 201714 Becket Gardens Welwyn AL6 9JE
Received 8 May 201739 Rosedale Welwyn Garden City AL7 1DW
Received 13 Oct 2026121 Moffats Lane Brookmans Park Hatfield AL9 7RP
Received 18 Oct 2018126 Handside Lane Welwyn Garden City AL8 6SZ
Received 7 May 2019Former The Frythe 5 Digswell Hill Welwyn AL6 9AR
Received 2 Sept 20146 Fiddlebridge Industrial Centre, Lemsford Road, Hatfield, AL10 0DE
Received 9 Feb 201522 Stanborough Road Welwyn Garden City AL8 6XD
Received 7 Mar 201752 Wildhill Road Hatfield AL9 6DS
Received 27 Aug 202111A St Johns Close Welwyn AL6 9RB
Received 14 Jun 20071 Railway Cottages Ellenbrook Lane Hatfield AL10 9NY
Received 5 Mar 20047 Dellcott Close, Welwyn Garden City, AL8 7BB
Received 22 May 20071 Church Lane Northaw Potters Bar EN6 4NX
Received 13 Apr 20261-7 Fountain House Welwyn Garden City AL8 6AL
Received 28 Jul 20171 Chelveston, Welwyn Garden City, AL7 2PW
Received 5 Nov 2014Symonds Hyde Hammonds Lane Hatfield AL10 9BB
Received 7 Jul 2026Land at Hall Grove, Welwyn Garden City, AL7 4PJ
Received 24 Jul 2015Plot 4100 Gypsy Moth Avenue Hatfield Business Park Hatfield
Received 26 Jan 201833 Furzefield Road Welwyn Garden City AL7 3RL
Received 12 May 2021Records 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