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
28,931 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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.
2 Robbery Bottom Lane Welwyn AL6 0UW
Received 27 Jan 200411 Dellcott Close, Welwyn Garden City, AL8 7BB
Received 18 May 2015Welham Travel 9-12 Peartree Farm Welwyn Garden City AL7 3UW
Received 28 Jan 20197 Barfolds Welham Green Hatfield AL9 7NG
Received 2 Apr 2026201 Heronswood Road, Welwyn Garden City, AL7 3JH
Received 17 Sept 201438 Reddings Welwyn Garden City AL8 7LA
Received 19 Jun 2026Ratcliff Tail Lifts Ltd Bessemer Road Welwyn Garden City AL7 1ET
Received 26 Nov 201914 Tolmers Road Cuffley Potters Bar EN6 4LA
Received 17 Sept 20153 Mardley Wood Welwyn AL6 0UY
Received 30 May 2024The Orchard House 53 Brockswood Lane Welwyn Garden City AL8 7BU
Received 29 Jun 2020The Church of Saint Luke, St Albans Road East, Hatfield, AL10 0EJ
Received 13 Nov 2017Symonds Hyde Wood Symonds Hyde Hammonds Lane Hatfield AL10 9BB
Received 23 Mar 202644 Longcroft Lane Welwyn Garden City AL8 6EF
Received 23 May 201730 New Road Digswell Welwyn AL6 0AH
Received 2 Dec 2009Whitehill Cottages, 5 Whitehill, Ayot St Peter, WELWYN, AL6 9AE
Received 20 Mar 201310 Hurstlings Welwyn Garden City AL7 3LX
Received 5 Jun 201831 Kingsley Court Welwyn Garden City AL7 4HZ
Received 29 Mar 20212 Lytton Gardens Welwyn Garden City AL8 6EG
Received 27 Mar 201710 High Grove Welwyn Garden City AL8 7DW
Received 22 Jun 2018139 Howlands Welwyn Garden City AL7 4RL
Received 14 Aug 202359 Valley Road Welwyn Garden City AL8 7DH
Received 20 Feb 201912 Willow Grove Welwyn Garden City AL8 7NA
Received 9 Aug 2021Eastbridge Service Station Bridge Road East Welwyn Garden City AL7 1LE
Received 14 Feb 2022Walnut House, Walnut Grove, Welwyn Garden City, AL7 4EX
Received 25 May 2017Records 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