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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 8 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 Counts reflect the last collected status; some records may be out of date.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.
9 Lytton Gardens Welwyn Garden City AL8 6EG
Received 15 Jul 20208 Oak Piece Welwyn AL6 0XE
Received 2 Feb 20157 Roundwood Drive, Welwyn Garden City, AL8 7JZ
Received 7 Dec 2015Land Between 33 & 35 Pine Grove Pine Grove Brookmans Park Hatfield AL9 7BP
Received 3 Aug 2018Parkway Community Health Centre Birdcroft Road Welwyn Garden City AL8 6EH
Received 19 Oct 201768 Park Meadow Hatfield AL9 5HB
Received 5 Apr 2019131 Oakdale, Welwyn Garden City, AL8 7QS
Received 3 Dec 201312 Katescroft, Welwyn Garden City, AL7 4DR
Received 16 Jul 20045 Guessens Road Welwyn Garden City AL8 6QW
Received 23 Nov 201631 Sweet Briar Welwyn Garden City AL7 3DU
Received 5 Dec 2022Land to the North-west of 17 Rollswood Road Welwyn AL6 9TX
Received 18 Nov 20207 Hurst Close Welwyn Garden City AL7 2HX
Received 11 Feb 20207 River View Welwyn Garden City AL7 1UA
Received 14 Apr 2022Pennyfathers Pennyfathers Lane Welwyn AL6 0EL
Received 16 Jan 20042 The Paddocks, Welwyn Garden City, AL7 2BP
Received 12 Aug 2013Thunderbridge Yard Bulls Lane
Received 2 Jul 2007Royal Veterinary College Hawkshead Lane North Mymms AL9 7TA
Received 5 Dec 20251 Watersplash Cottage Station Road Welham Green Hatfield AL9 7SW
Received 31 Mar 2015Zither Great North Road Brookmans Park Hatfield AL9 6ND
Received 19 Feb 20164 Densley Close Welwyn Garden City AL8 7JX
Received 16 Apr 202011 Thumbswood Welwyn Garden City AL7 4QE
Received 13 Aug 2020Land at Panshanger Welwyn Garden City AL7 2QJ
Received 11 Jun 20254 Dewars Close Welwyn AL6 9RR
Received 13 Jul 200495 Brookmans Avenue Hatfield AL9 7QG
Received 16 May 2024Records 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