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
28,911 approved · 4,806 refused · 2,210 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 5 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 Counts reflect the last collected status; some records may be out of date.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.
The White Horse 30 Mill Lane Welwyn AL6 9ET
Received 23 Jan 200625 Mill Green Road Welwyn Garden City AL7 3UX
Received 22 Jan 202119 Roundwood Drive, WELWYN GARDEN CITY, AL8 7JZ
Received 4 Feb 201361 Pentley Park Welwyn Garden City AL8 7SF
Received 26 May 20228 Howicks Green, Welwyn Garden City, AL7 4RH
Received 16 Sept 201354 Attimore Road Welwyn Garden City AL8 6LP
Received 27 Oct 200439 Crossway, Welwyn Garden City, AL8 7ED
Received 13 Aug 201371 Digswell Park Road Welwyn Garden City AL8 7NW
Received 19 Jul 20187 Elmwood Welwyn Garden City AL8 6LD
Received 14 Feb 202315 Barnfield Road Welwyn Garden City AL7 3TQ
Received 20 May 202539 Endymion Road Hatfield AL10 8AT
Received 8 Jun 2007Garage site r/o 39-53 Great Ganett Welwyn Garden City AL7 3DB
Received 2 Feb 2018116 Lemsford Lane, Welwyn Garden City, AL8 6YP
Received 21 May 2015Land at Roehyde Ryders Avenue A414 North Orbital Road Hatfield AL4 0RZ
Received 2 Jun 202015 Fearnley Road Welwyn Garden City AL8 6HW
Received 15 Sept 202220 Attimore Road Welwyn Garden City AL8 6LW
Received 25 Nov 202093 Broad Acres Hatfield AL10 9LE
Received 17 Jul 20085 Gorseway Hatfield AL10 9GS
Received 24 Jul 201420 Coneydale, Welwyn Garden City, AL8 7RZ
Received 16 Nov 202240 High Oaks Road, Welwyn Garden City, AL8 7BS
Received 20 Jan 2004122 Parkway Welwyn Garden City AL8 6HN
Received 21 Mar 2018Cuffley Hills Barn The Ridgeway Cuffley Potters Bar EN6 4AY
Received 15 Feb 20244 Coneydale Welwyn Garden City AL8 7RY
Received 7 Feb 201932 De Havilland Close Hatfield AL10 0DR
Received 4 Aug 2016Records 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