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28,934 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
56 Attimore Road Welwyn Garden City AL8 6LP
Received 24 Apr 201965 Handside Lane Welwyn Garden City AL8 6SH
Received 19 Sept 2025Plot 4100, Gypsy Moth Avenue, Hatfield Business Park, Hatfield
Received 17 Jan 2018Nuholme Sibthorpe Road Welham Green Hatfield AL9 7PH
Received 28 Jun 2021Spindlebury Cottage Ottway Walk Welwyn AL6 9AS
Received 28 Mar 2022Unit 25 Travellers Lane Welham Green Hatfield AL9 7HF
Received 23 Sept 202026 Chelwood Avenue Hatfield AL10 0RE
Received 27 Apr 2015Cuffley Camp Outdoor Centre Carbone Hill Northaw Potters Bar EN6 4PR
Received 5 Sept 201912 The Pastures, HATFIELD, AL10 8PD
Received 3 Jun 201336-50 Cypress Avenue Welwyn Garden City AL7 1HN
Received 2 Dec 202459 Little Mead Hatfield AL10 0UQ
Received 30 Aug 20232 Woodhill House Kentish Lane Brookmans Park Hatfield AL9 6JY
Received 16 Jul 200711 Honeysuckle Gardens Hatfield AL10 8PL
Received 12 May 202113-17 Cole Green Lane Welwyn Garden City AL7 3PP
Received 5 Mar 2018102 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4RG
Received 12 Dec 200851 Peplins Way Brookmans Park AL9 7UR
Received 9 Nov 202158 Bridge Road Welwyn Garden City AL8 6UR
Received 25 Jul 202436 Bassingburn Walk Welwyn Garden City AL7 3QQ
Received 20 Feb 20208 Monkswood, Welwyn Garden City, AL8 7EP
Received 2 Nov 2004Monkswell The Ridgeway Cuffley Potters Bar EN6 4BH
Received 11 May 200414 The Holdings Hatfield AL9 5HQ
Received 15 Dec 20052 The Valley Green, Welwyn Garden City, AL8 7DQ
Received 29 Oct 201517 SKIMPANS CLOSE, WELHAM GREEN, HATFIELD, HERTFORDSHIRE, AL9 7PA
Received 26 Sept 2008Camleigh Farm, Cucumber Lane, Essendon, Hatfield, AL9 6JB
Received 7 Oct 2015Records 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