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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
13 North Ride Welwyn AL6 9RD
Received 1 Dec 202514 Hanyards Lane Cuffley Potters Bar EN6 4AT
Received 7 Aug 20264 Howardsgate, Welwyn Garden City, AL8 6BQ
Received 4 Feb 201632 Station Road Welham Green Hatfield AL9 7PG
Received 7 Apr 201548 BEEHIVE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BP
Received 27 May 200948 Brockswood Lane Welwyn Garden City AL8 7BG
Received 28 Apr 2025Hornbeams 2A Firway Welwyn AL6 0RD
Received 22 Jan 2018Unit 3C Bridgefields Welwyn Garden City AL7 1RX
Received 18 Jun 201814 Rooks Close and 109-117 Longcroft Lane Welwyn Garden City AL8 6EL
Received 8 Jul 2020Stanborough Park Stanborough Road AL8 6DF
Received 22 Jan 2019Colonial House 87 Great North Road Hatfield AL9 5DA
Received 5 May 20171 Thrush Avenue Hatfield AL10 8QU
Received 3 Feb 2021St Andrews Care Home Great North Road Welwyn Garden City AL8 7SR
Received 1 Sept 202652 Lemsford Lane Welwyn Garden City AL8 6YJ
Received 31 Oct 202422 Turmore Dale Welwyn Garden City AL8 6HS
Received 3 Jan 201752 Lodgefield Welwyn Garden City AL7 1SD
Received 29 Mar 202222 Tolmers Gardens Cuffley Potters Bar EN6 4JE
Received 10 Jan 202422 Mardley Avenue Welwyn AL6 0UD
Received 23 Apr 201463 Cherry Way Hatfield AL10 8LF
Received 22 May 2017Norcott West End Lane Essendon Hatfield AL9 6AU
Received 29 Jun 201858 Lemsford Lane Welwyn Garden City AL8 6YJ
Received 30 Aug 202481 Woodhall Lane Welwyn Garden City AL7 3TH
Received 28 Oct 2020135 Blythway, WELWYN GARDEN CITY, AL7 1DN
Received 17 Jan 201351 Bridge Road East Welwyn Garden City AL7 1JR
Received 10 Dec 2018Records 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