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28,935 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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.
19 Hunters Way, Welwyn Garden City, AL7 4NT
Received 23 Jan 200721 Guessens Road Welwyn Garden City AL8 6QL
Received 23 Apr 200431 Peplins Way Brookmans Park Hatfield AL9 7UR
Received 22 Apr 2022Unit 4 Peartree Farm Welwyn Garden City AL7 3UW
Received 27 Jun 201752 Thistle Grove Welwyn Garden City AL7 4AN
Received 22 Aug 2017Tesco Stores Ltd Great North Road Hatfield AL9 5JY
Received 26 Nov 20256 Sewells Welwyn Garden City AL8 7AQ
Received 25 Apr 20173 Rayfield, Welwyn Garden City, AL8 7HR
Received 26 Oct 201552 Springfields, Welwyn Garden City, AL8 6XN
Received 2 Sept 20166 Southfield Welwyn Garden City AL7 4ST
Received 13 Oct 201734 BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BG
Received 2 Feb 200914 Turmore Dale Welwyn Garden City AL8 6HS
Received 20 Mar 20269 Wendover Drive Welwyn AL6 9LT
Received 3 Sept 2018159 Parkway Welwyn Garden City AL8 6JA
Received 6 Jul 202111 Roundwood Drive, Welwyn Garden City, AL8 7JZ
Received 23 Feb 2026107 THE VINEYARD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PX
Received 28 Sept 200914 Turpins Chase Welwyn AL6 0RA
Received 11 Feb 2021379 ST ALBANS ROAD WEST, HATFIELD, HERTFORDSHIRE, AL10 9RU
Received 25 Oct 2007Former Argos Direct Distribution Depot, 1 Bessemer Road, Welwyn Garden City
Received 29 Oct 201428 Upland Drive Hatfield AL9 6PT
Received 1 Nov 2024291 Knightsfield, Welwyn Garden City, AL8 7NH
Received 5 Oct 20156 Brooms Close, Welwyn Garden City, AL8 7JA
Received 18 Jul 20149 Great Ley, WELWYN GARDEN CITY, AL7 4TJ
Received 10 Nov 201181 Knightsfield Welwyn Garden City AL8 7JE
Received 14 Dec 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.

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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