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
28,876 approved · 4,801 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 4 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 Counts reflect the last collected status; some records may be out of date.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.
10 Thrush Lane Cuffley Potters Bar EN6 4JU
Received 13 Feb 20172 Hook Lane Northaw Potters Bar EN6 4DA
Received 7 Aug 201778 Warrengate Road North Mymms Hatfield AL9 7TY
Received 28 Sept 2022ATTIMORE BARNS, RIDGEWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2AD
Received 23 Jul 20048 Welham Close Welham Green Hatfield Hertfordshire AL9 7PP
Received 11 May 202212 High Oaks Road Welwyn Garden City AL8 7BH
Received 24 Aug 202279 Beehive Lane Welwyn Garden City AL7 4BN
Received 6 May 202011 Stonehills Welwyn Garden City AL8 6NA
Received 6 Dec 200564 & 65 Great North Road Welwyn Garden City AL8 7TL
Received 22 Oct 20082 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BZ
Received 22 Jan 201473 Valley Road, Welwyn Garden City, AL8 7DR
Received 4 Apr 2016Queenswood School, Shepherds Way, Brookmans Park, Hatfield, AL9 6NS
Received 16 Nov 2018Ratcliff Tail Lifts Ltd Bessemer Road Welwyn Garden City AL7 1ET
Received 1 Oct 2020Templewood Primary School Pentley Park Welwyn Garden City AL8 7SD
Received 23 Oct 202360 Lemsford Lane, WELWYN GARDEN CITY, AL8 6YJ
Received 4 Apr 201343 Chambers Grove, Welwyn Garden City, AL7 4FG
Received 5 Mar 201529 New Road Knebworth SG3 6LA
Received 25 Jan 201928 Westland Drive Brookmans Park AL9 7UQ
Received 8 Sept 2025254 Howlands, Welwyn Garden City, AL7 4HF
Received 25 Oct 201399 Bridge Road East, Welwyn Garden City, AL7 1GL
Received 15 Nov 2005399 Howlands Welwyn Garden City AL7 4HW
Received 17 May 202114 Beehive Green, Welwyn Garden City, AL7 4BE
Received 20 Apr 201559 Moffats Lane Brookmans Park Hatfield AL9 7RT
Received 17 Mar 200441-43 Roe Green Lane Hatfield AL10 0SH
Received 11 May 2017Records 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