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28,934 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
2 Oaklea Welwyn AL6 0PU
Received 22 Jan 201412 The Old Drive, WELWYN GARDEN CITY, AL8 6TB
Received 26 Sept 2013QUEENSWAY HOUSE, QUEENSWAY, HATFIELD, HERTFORDSHIRE, AL10 0LW
Received 25 Nov 2009112 Forresters Drive Welwyn Garden City AL7 2JQ
Received 11 Nov 202021 Russellcroft Road, Welwyn Garden City, AL8 6QX
Received 31 Mar 20251 - 35 Woodpecker Close, Hatfield, AL10 9ET
Received 29 Jul 201430 Great North Road, Oaklands, Welwyn, AL6 0PS
Received 16 Jun 20163 Grange Hill Welwyn AL6 9RH
Received 27 Feb 20253 Reddings Welwyn Garden City AL8 7LA
Received 20 Dec 20231 The Orchard Welwyn Garden City AL8 7PL
Received 10 Apr 201940A Burrowfield, Welwyn Garden City, AL7 4SR
Received 1 Jan 1988110 Wellcroft Road Welwyn Garden City AL7 3JU
Received 13 May 2021391 St Albans Road West, Hatfield, AL10 9RU
Received 31 Oct 201481 Campion Road Hatfield AL10 9FL
Received 24 Apr 2006Guessens Court, Welwyn Garden City, AL8 6RB
Received 30 Mar 20156 Ross Close Hatfield AL10 0QT
Received 12 Aug 2026Sir Frederic Osborn School, Herns Lane, Welwyn Garden City, AL7 2AF
Received 7 Feb 20148 Mandeville Rise Welwyn Garden City AL8 7JU
Received 6 Mar 201951 Bridge Road East Welwyn Garden City AL7 1JR
Received 20 Jun 20187 Welwyn Hall Gardens Welwyn AL6 9LF
Received 25 Feb 202618 Mardley Avenue, Welwyn, AL6 0UD
Received 25 Sept 2008LAND AT, PANSHANGER DRIVE ROUNDABOUT, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2NE
Received 15 Dec 2006CHEQUERS LODGE, COOPERS LANE ROAD, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4WB
Received 18 Oct 20045 Swanley Bar Lane Little Heath Potters Bar EN6 1NN
Received 24 Feb 2021Records 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.

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