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
28,928 approved · 4,810 refused · 2,212 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
Brick Kiln Cottage 7 Homerswood Lane Ayot St Peter Welwyn AL6 9AD
Received 14 Nov 20228 Stacklands, Welwyn Garden City, AL8 6XW
Received 12 Feb 20041 Newlands Way Little Heath Potters Bar EN6 1SG
Received 29 Jan 202429 Springfields Welwyn Garden City AL8 6XS
Received 11 Mar 2024THE CO-OPERATIVE BANK, 1 SHOPLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RH
Received 26 Jan 200412 Stacklands, Welwyn Garden City, AL8 6XW
Received 17 Jul 200780 Rosedale, Welwyn Garden City, AL7 1DR
Received 13 Mar 20158 Hanyards Lane, Cuffley, POTTERS BAR, EN6 4AS
Received 10 Apr 2013155 Heronswood Road Welwyn Garden City AL7 3EL
Received 17 Sept 201832 High Oaks Road Welwyn Garden City AL8 7BH
Received 9 Mar 2022THE SURGERY, 20 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HG
Received 14 Dec 20095 Pentley Park Welwyn Garden City AL8 7RT
Received 16 Dec 20225 Meadow Green Welwyn Garden City AL8 6SS
Received 14 Mar 20181 Oaklands Wood Hatfield AL10 8LU
Received 5 Dec 2023Culpitt House, 74 Town Centre, Hatfield, AL10 0JW
Received 28 Nov 20147 Homerswood Lane, Ayot St Peter, Welwyn, AL6 9AD
Received 3 Mar 201429 ELMWOOD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LD
Received 7 Aug 2009Land to North East of Welwyn Garden City Panshanger AL7 2QJ
Received 23 Jun 2025108 Harmer Green Lane Digswell Welwyn AL6 0ET
Received 13 Mar 20256 Woodland Rise, Welwyn Garden City, AL8 7LF
Received 4 Mar 2015Ocado Ltd Gypsy Moth Avenue Hatfield AL10 9BD
Received 8 May 20196 Broadleaf Grove Welwyn Garden City AL8 7AZ
Received 1 Mar 201761 Wellfield Road Hatfield AL10 0BY
Received 4 Oct 2019THE STABLES, 54 REYNARDS ROAD, WELWYN, HERTFORDSHIRE, AL6 9TP
Received 21 Jun 2004Records 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