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
28,935 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
34 Stonehills, Welwyn Garden City, AL8 6PD
Received 1 Jan 198814B Northaw Road West, Northaw, POTTERS BAR, EN6 4NR
Received 11 Feb 2013Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB
Received 21 Apr 2022Unit 2 The Polaris Centre 41 Brownfields Welwyn Garden City AL7 1AN
Received 6 Feb 2018Bush Hall Hotel Chequers Hatfield AL9 5NT
Received 11 May 2021LITTLE RIDGE INDUSTRIAL ESTATE, OFF RIDGEWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2BH
Received 17 Mar 200421 St Audreys Close, Hatfield, AL10 8UN
Received 26 Jan 20164B Bracken Lane Welwyn Al6 0RB
Received 12 Jun 202015 The Swallows Welwyn Garden City AL7 1BX
Received 27 Nov 20178 Oak Piece Welwyn AL6 0XE
Received 6 Dec 20223 Reddings Welwyn Garden City AL8 7LA
Received 15 May 2025Woodhurst Farm Cattlegate Road Northaw Enfield EN2 8AU
Received 9 Oct 20234 Guessens Walk Welwyn Garden City AL8 6QS
Received 7 Jul 202587 PENTLEY PARK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7SL
Received 26 Feb 2010Land adjacent to 15 The Broadway Hatfield AL9 5HZ
Received 9 Oct 200821 Pentley Park, Welwyn Garden City, AL8 7RT
Received 10 Feb 2006Computacenter UK Ltd Hatfield Avenue Hatfield AL10 9TW
Received 11 Aug 20153 Church Close Cuffley Potters Bar EN6 4LS
Received 6 May 20045 The Commons Welwyn Garden City AL7 4RW
Received 6 Sept 201840 The Ridgeway Cuffley Potters Bar EN6 4BA
Received 1 Feb 200624 Gooseacre, Welwyn Garden City, AL7 4NB
Received 1 Apr 201513 & 15 BLUEBRIDGE AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7RY
Received 10 Jul 200858 Chequers, Welwyn Garden City, AL7 4SJ
Received 3 Oct 201611 NUT GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7SQ
Received 12 Feb 2009Records 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