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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
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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.
3A Highfields Cuffley Potters Bar EN6 4EL
Received 30 Aug 2013122 Haldens Welwyn Garden City AL7 1DG
Received 9 Sept 2025Mill Green Museum And Mill Mill Green Bush Hall Lane Hatfield AL9 5PD
Received 25 Feb 202114 Moorend, Welwyn Garden City, AL7 4QL
Received 15 Aug 202223 Golden Dell Welwyn Garden City AL7 4EE
Received 22 Jul 2019Woodhurst, Cattlegate Road, Northaw, EN2 8AU
Received 24 Mar 20149 Great Conduit, Welwyn Garden City, AL7 2DH
Received 3 Aug 200457 Great North Road Hatfield AL9 6LA
Received 20 Sept 20231 Welham Manor, Welham Green, Hatfield, AL9 7EL
Received 9 Jan 201542 & 46 Digswell Rise, Welwyn Garden City, AL8 7PW
Received 3 May 2016Land rear of 44-52 Garden Avenue Hatfield AL10 8LN
Received 25 Jul 20169 CYPRESS AVENUE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1HN
Received 25 Apr 200843 Broomhills, Welwyn Garden City, AL7 1RE
Received 4 Nov 20152 Old Forge Close Welwyn AL6 0SR
Received 1 May 20204 Old Forge Close Welwyn AL6 0SR
Received 29 Jan 20149 Broom Hill Welwyn AL6 0SF
Received 9 Oct 201912 Goldings Crescent Hatfield AL10 8UE
Received 22 Dec 202191 Carve Ley Welwyn Garden City AL7 3HL
Received 2 Oct 20239 & 9A NORTHAW ROAD WEST, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NW
Received 21 Feb 20075 Furzefield Road Welwyn Garden City AL7 3RL
Received 26 May 2018Paynes Farm New Road Woolmer Green Knebworth SG3 6LE
Received 31 Oct 20176 Woodland Rise, Welwyn Garden City, AL8 7LF
Received 25 Mar 2015Park Close Park Street Old Hatfield AL9 5AY
Received 9 Dec 2022Great Nast Hyde House Wilkins Green Lane Hatfield AL10 9RB
Received 7 Nov 2018Records 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