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
28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 2 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 Counts reflect the last collected status; some records may be out of date.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.
Brocket Hall Brocket Park Marford Road Lemsford Welwyn Garden City AL8 7XG
Received 18 Jun 201969 Parkway Welwyn Garden City AL8 6JG
Received 24 Jun 20244 Speyhawk Place Little Heath Potters Bar EN6 1LE
Received 25 Aug 2017Zither Great North Road Brookmans Park Hatfield AL9 6ND
Received 18 Nov 20145 The Frythe Frythe Avenue Welwyn AL6 9GG
Received 25 Nov 202017 Green Lanes Hatfield AL10 9JT
Received 28 Nov 200512 Guessens Road Welwyn Garden City AL8 6QR
Received 22 Jun 201810 Swanley Crescent, Potters Bar, EN6 1NQ
Received 31 Mar 2015The View Carbone Hill Northaw Hertford SG13 8RG
Received 22 Mar 2017104 Handside Lane Welwyn Garden City AL8 6SY
Received 27 May 2025LAND OFF, BLACK FAN ROAD, WELWYN GARDEN CITY, HERTS
Received 27 Aug 20045 Sherrardspark Road Welwyn Garden City AL8 7JW
Received 28 Sept 201810 Coneydale Welwyn Garden City AL8 7RZ
Received 9 Sept 2021131 BOUNDARY LANE, WELWYN GARDEN CITY, HERTS, AL7 4EQ
Received 4 Jun 200846 Valley Road Welwyn Garden City AL8 7DN
Received 17 Apr 202312 Mannicotts Welwyn Garden City AL8 7BW
Received 17 Jan 2017101 Attimore Road Welwyn Garden City AL8 6LG
Received 31 Aug 2017Unit 2 East Burrowfield Welwyn Garden City AL7 4TB
Received 7 Apr 2025Warrenwood Manor Stables Building (part first floor) Warrenwood Manor stud Hornbeam Lane Brookmans Park AL9 6JF
Received 9 Jul 201813 Hillside Way Welwyn AL6 0TY
Received 22 Feb 2021192 Handside Lane, Welwyn Garden City, AL8 6TD
Received 26 Oct 20215 Chedburgh Welwyn Garden City AL7 2PU
Received 3 Apr 201929 Springfields Welwyn Garden City AL8 6XS
Received 3 Dec 20197 The Drive Welwyn AL6 0TW
Received 12 Dec 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