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
28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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.
50 Brocket Road, Welwyn Garden City, AL8 7TU
Received 1 Jan 19883 West View Hatfield AL10 0PH
Received 19 Aug 2025160 Great North Road Hatfield AL9 5JW
Received 30 May 202333 Hill Rise Cuffley Potters Bar EN6 4EH
Received 4 Mar 2024Aesthetics, 5 Parkhouse Court, Hatfield, AL10 9RQ
Received 20 Mar 20142 Elmwood Welwyn Garden City AL8 6LE
Received 15 Apr 202168 Woodhall Lane Welwyn Garden City AL7 3TF
Received 14 Aug 20173 Mimram Road Welwyn AL6 9HA
Received 29 Mar 201318 Attimore Close Welwyn Garden City AL8 6LN
Received 1 Oct 202431 Homewood Avenue Cuffley Potters Bar EN6 4QQ
Received 25 Oct 202315 Marlborough Close Welwyn AL6 0UG
Received 2 Mar 2018Land adjacent to 14 Birch Grove Welwyn AL6 0QP
Received 6 Aug 201588 Pentley Park, Welwyn Garden City, AL8 7SG
Received 7 Oct 2013Lloyds TSB Bank PLC, 49 Howardsgate, WELWYN GARDEN CITY, AL8 6BA
Received 5 Feb 2013Yodel Delivery Network Hatfield Business Park Frobisher Way Hatfield AL10 9TR
Received 22 Mar 2021122 Lemsford Lane, Welwyn Garden City, AL8 6YP
Received 22 Mar 2016GARAGE BLOCK ADJACENT TO, 28 AND 16 BROOMHILLS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1RF
Received 8 Oct 2004The Fox Public House 21 New Road Woolmer Green Knebworth SG3 6JX
Received 4 Feb 200839 Marsden Green Welwyn Garden City AL8 6YD
Received 6 Aug 201839 Calder Avenue Brookmans Park Hatfield AL9 7AH
Received 27 Aug 200423A Broadwater Road Welwyn Garden City AL7 3BQ
Received 13 Jun 20071 Pentley Park Welwyn Garden City AL8 7RT
Received 14 Aug 201726 Stonehills Welwyn Garden City AL8 6NA
Received 23 May 20073 Westly Wood Welwyn Garden City AL7 1QN
Received 25 Sept 2025Records 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