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
28,772 approved · 4,794 refused · 2,199 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 Oct 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 Counts reflect the last collected status; some records may be out of date.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.
57 Crossway Welwyn Garden City AL8 7ED
Received 23 Oct 202412 Pleasant Rise, Hatfield, AL9 5DS
Received 26 Jan 20155 High Oaks Road Welwyn Garden City AL8 7BJ
Received 22 Nov 201868 New Park Road Newgate Street Hertford SG13 8RF
Received 29 Nov 202314 Willow Walk Welwyn AL6 9SQ
Received 18 Aug 2014TOLMERS COTTAGE, CARBONE HILL, NORTHAW, HERTFORD, HERTFORDSHIRE, SG13 8RG
Received 28 May 2008The District Cemetery South Way Hatfield AL10 8HS
Received 4 Aug 2022The Woodside Centre The Commons Welwyn Garden City AL7 4DD
Received 29 Apr 202517 Vine Close Welwyn Garden City AL8 7PS
Received 10 May 201714 Little Dell Welwyn Garden City AL8 7HZ
Received 19 Feb 2026Hatfield Lodge, Newgate Street, Hertford, SG13 8NH
Received 21 Jul 2020Flat 1 The Red House 54 New Road Digswell Welwyn AL6 0AH
Received 2 Feb 202384 Dawley Welwyn Garden City AL7 1DX
Received 8 Mar 2019Essendon Lodge School Lane Essendon Hatfield AL9 6HD
Received 8 Jul 20252 Rayfield, Welwyn Garden City, AL8 7HR
Received 19 Dec 2013178 Handside Lane Welwyn Garden City AL8 6SZ
Received 20 Aug 2024Hertfordshire Data Centre, Mundells, Welwyn Garden City AL7 1GE
Received 28 Jul 2023200 Heronswood Road Welwyn Garden City AL7 3JQ
Received 22 Jan 202637 Little Ganett Welwyn Garden City AL7 3DG
Received 10 May 2024Fountain House, 1-7 Howardsgate, Welwyn Garden City, AL8 6AL
Received 17 Oct 201636 Heather Road Welwyn Garden City AL8 6XU
Received 4 Nov 202019 Creswick Court Welwyn Garden City AL7 3SX
Received 3 Nov 20172 Lytton Gardens, Welwyn Garden City, AL8 6EG
Received 21 Jan 201521 Barleycroft Road Welwyn Garden City Hertfordshire AL8 6JX
Received 6 Sept 2022Records 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