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
28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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.
45 Mill Green Road Welwyn Garden City AL7 3UX
Received 9 Nov 2023332 Knightsfield, Welwyn Garden City, AL8 7NQ
Received 8 Jun 201625 Shrublands Brookmans Park AL9 7AL
Received 31 Aug 2021Land at Osborne House Osborne Road Little Heath Potters Bar Hertfordshire EN6 1SE
Received 3 Mar 2022Old Hall Farm Cottage Hill Farm Lane Welwyn AL6 9BW
Received 30 Apr 200755 Archers Ride Welwyn Garden City AL7 4PR
Received 2 Jul 201821 Pentley Park, WELWYN GARDEN CITY, AL8 7RT
Received 7 Oct 201322 Roman Way Welwyn AL6 9RJ
Received 15 Nov 201624 Rooks Hill Welwyn Garden City AL8 6ET
Received 15 Mar 20226 Monkswood Welwyn Garden City AL8 7EP
Received 3 Jun 20198 Meadow Green Welwyn Garden City AL8 6SS
Received 4 May 20233 Marley Road Welwyn Garden City AL7 4BT
Received 16 Mar 2021Dimsdale House, Essendon Place, High Road, Essendon, Hatfield, AL9 6GZ
Received 24 May 201634 Brookside Crescent Cuffley Potters Bar EN6 4QN
Received 26 May 20158 HEATHER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6XU
Received 12 Nov 200912 The Jinnings Welwyn Garden City AL7 4QB
Received 20 Dec 2021Land Outside 19 Town Centre Hatfield AL10 0JT
Received 18 May 2026UNIT 4, MALLOW PARK, WATCHMEAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1GX
Received 15 Jan 20085 The Old Drive Welwyn Garden City AL8 6TB
Received 7 Oct 202034 Blakemere Road, Welwyn Garden City, AL8 7PJ
Received 8 Aug 201623 The Ridgeway Cuffley Potters Bar EN6 4BB
Received 18 Aug 2025Springfield 10 Danesbury Park Road Welwyn AL6 9SE
Received 26 Apr 201369 Lemsford Road Hatfield AL10 0DZ
Received 15 Jun 2009256 Heronswood Road Welwyn Garden City AL7 3JQ
Received 13 Jun 2022Records 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.

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Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

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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