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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
Denmark House, Parkway, Welwyn Garden City, AL8 6HG
Received 25 Sept 2014The Warren, 8 Carbone Hill, Northaw, Potters Bar, EN6 4PL
Received 22 Oct 201317 The Valley Green Welwyn Garden City AL8 7DQ
Received 23 Nov 20204 Mannicotts, WELWYN GARDEN CITY, AL8 7BW
Received 18 Jan 201330 Dawley, Welwyn Garden City, AL7 1DZ
Received 18 Sept 201546 Tansycroft Welwyn Garden City AL7 2DU
Received 24 Apr 202368 Eagle Way Hatfield AL10 8RE
Received 17 Jan 200663 Howicks Green Welwyn Garden City AL7 4RJ
Received 8 Sept 202252-54 Howardsgate, Welwyn Garden City, AL8 6BP
Received 7 Mar 20149 Elderfield, Welwyn Garden City, AL7 1FN
Received 3 Feb 2014Hornbeams 2A Firway Welwyn AL6 0RD
Received 10 Mar 2026583 Howlands, Welwyn Garden City, AL7 4HT
Received 23 Feb 2007ASDA STORES, 98 TOWN CENTRE, HATFIELD, HERTFORDSHIRE, AL10 0JP
Received 31 Oct 200746 Brockswood Lane, Welwyn Garden City, AL8 7BG
Received 16 Feb 20156 Douglas Way, Welwyn Garden City, AL7 2LY
Received 31 Mar 2015133 Oakdale Welwyn Garden City AL8 7QS
Received 13 Aug 2020103 Robbery Bottom Lane Welwyn AL6 0UL
Received 20 Jun 201912 Rooks Hill, Welwyn Garden City, AL8 6ET
Received 18 Jul 20161 Homerfield, Welwyn Garden City, AL8 6QZ
Received 20 Aug 20143 Rosedale Welwyn Garden City AL7 1DW
Received 24 Sept 2018LAND AT, KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JE
Received 15 Mar 200457 Thistle Grove Welwyn Garden City AL7 4AF
Received 30 Jun 202028 Dellcott Close, Welwyn Garden City, AL8 7BD
Received 30 Dec 2014GUESSENS COURT, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RB
Received 20 Dec 2008Records 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