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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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.
13 Pentley Park, Welwyn Garden City, AL8 7RT
Received 17 Mar 20163 Birchway Hatfield AL10 0PD
Received 23 Jan 2015Land adjacent to 22 Elm Gardens Welwyn Garden City AL8 6RY
Received 27 Sept 2023Queen Elizabeth Ii Hospital Howlands Welwyn Garden City AL7 4HQ
Received 24 May 20087 Copper Beeches Welwyn AL6 0SS
Received 9 Mar 20223 The Old Rectory Hill Farm Lane Welwyn AL6 9BT
Received 17 Dec 2018154 Parkway Welwyn Garden City AL8 6HZ
Received 5 Dec 201942 Crawford Road Hatfield AL10 0PE
Received 14 May 201553 Springfields, Welwyn Garden City, AL8 6XT
Received 13 Apr 20236 Elmoor Avenue Welwyn AL6 9PA
Received 18 Jan 20216 WALNUT COURT, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4EZ
Received 23 Jul 2008UNIVERSITY OF HERTFORDSHIRE, DE HAVILLAND CAMPUS, MOSQUITO WAY, HATFIELD, HERTFORDSHIRE
Received 26 Jan 201076 Birchwood Avenue Hatfield AL10 0PS
Received 17 May 202251 Hall Grove Welwyn Garden City AL7 4PQ
Received 20 Apr 202162 Pentley Park Welwyn Garden City AL8 7SG
Received 26 Feb 202413 Monks Rise, Welwyn Garden City, AL8 7NF
Received 26 Nov 20132 Elm Gardens Welwyn Garden City AL8 6RY
Received 20 Jan 202036 Attimore Road Welwyn Garden City AL8 6LP
Received 30 Sept 202628 High Oaks Road Welwyn Garden City AL8 7BH
Received 9 Feb 201711 The Jinnings Welwyn Garden City AL7 4QB
Received 23 Nov 20174 The Pastures Welwyn Garden City AL7 4PX
Received 6 Jan 202521E Canonsfield Welwyn AL6 0QB
Received 14 May 201443 Sloansway Welwyn Garden City AL7 1NA
Received 27 Oct 2021126 BLYTHWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1ED
Received 21 Jun 2008Records 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