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
28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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.
Onslow St Audreys School Old Rectory Drive Hatfield Hertfordshire AL10 8AB
Received 7 Sept 2022LAND AT DE HAVILLAND HOUSE, ENDYMION MEWS, HATFIELD, HERTFORDSHIRE, AL10 0EW
Received 4 Jun 20087 Normans Lane Welwyn AL6 9TQ
Received 6 Jun 202565 Heathcote Avenue Hatfield AL10 0RQ
Received 3 May 202317 Attimore Road Welwyn Garden City AL8 6LH
Received 9 Jun 202111 Manor Road Hatfield AL10 9LN
Received 9 May 2007Council owned flats in Aldykes & Briars Wood 2-12, 14-24 Aldykes Hatfield & 38-48 & 50-60 Briars Wood Hatfield AL10 8EF
Received 20 Jul 202657 Woodhall Lane, Welwyn Garden City, AL7 3TG
Received 6 Jul 202212 Sherrardspark Road Welwyn Garden City AL8 7JP
Received 8 Dec 202523 Far End Hatfield AL10 8TG
Received 28 Jan 202514 Homerfield, Welwyn Garden City, AL8 6QZ
Received 17 Nov 201558-60 BRIDGE ROAD EAST, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1JU
Received 2 May 2007The Dower House, Coopers Lane, Northaw, Potters Bar, EN6 4NG
Received 12 May 2016143 Longcroft Lane, Welwyn Garden City, AL8 6EL
Received 20 May 201510 Westland Drive, Brookmans Park, Hatfield, AL9 7UQ
Received 14 Jan 2015Milkwood Farm Dixons Hill Close Welham Green Hatfield AL9 7EF
Received 23 Jul 201418 Guessens Road Welwyn Garden City AL8 6QR
Received 18 Jan 20183 Brickwall Cottages Great North Road Welwyn Garden City AL8 7SR
Received 23 May 200832 Moffats Lane Hatfield AL9 7RU
Received 7 Sept 202065 Great North Road Welwyn Garden City AL8 7TL
Received 19 Apr 200736 Sheepcote Welwyn Garden City AL7 4QD
Received 8 May 201746 Blakemere Road Welwyn Garden City AL8 7PJ
Received 8 Mar 20216 Bluebridge Road, Brookmans Park, HATFIELD, AL9 7SB
Received 15 Aug 2013Land to rear of, 59 Station Road, Cuffley, Potters Bar, EN6 4HX
Received 14 Aug 2013Records 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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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.
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