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
Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.
20,836 approved · 3,221 refused · 1,544 withdrawn. Received dates in our records: 1 Nov 1999 to 13 Oct 2026. Most recent record check: 17 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 Counts reflect the last collected status; some records may be out of date.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.
7 Handside Close Welwyn Garden City AL8 6SR
Received 4 Jan 2018Land rear of 18 Ayot Green Ayot St Peter Welwyn AL6 9AB
Received 27 Mar 202359 London Road Woolmer Green Knebworth SG3 6JE
Received 19 Jul 202421 Bridge Road Knebworth SG3 6JL
Received 15 Dec 202048 Fordwich Road, Welwyn Garden City, AL8 6EY
Received 6 Jun 202326 Pentley Park Welwyn Garden City AL8 7SB
Received 5 Jan 202127 Russellcroft Road Welwyn Garden City AL8 6QX
Received 10 Jul 202355 Archers Ride, Welwyn Garden City, AL7 4PR
Received 30 Jan 20145 The Lawns Welwyn Garden City AL8 7HU
Received 12 Nov 202492 Mill Green Road Welwyn Garden City AL7 3XE
Received 23 Oct 201968 Walker Grove, Hatfield, AL10 9PL
Received 20 Jun 201331 Colgrove Welwyn Garden City AL8 6HY
Received 26 Feb 202161 Parkway Welwyn Garden City AL8 6JF
Received 5 Jan 202259 Little Mead Hatfield Hertfordshire AL10 0UQ
Received 21 Nov 2022The Rose And Crown 14 Church Street Welwyn AL6 9LX
Received 24 Nov 20205 Palmerston Close Welwyn Garden City AL8 7DL
Received 19 Apr 2024115 Handside Lane Welwyn Garden City AL8 6TA
Received 22 Jun 202043 Town Centre Hatfield AL10 0JJ
Received 11 Mar 202413 Beechfield Road Welwyn Garden City AL7 3RG
Received 4 Jul 202276 College Lane Hatfield AL10 9PQ
Received 12 Jun 202029 The Avenue Welwyn AL6 0PW
Received 13 Sept 2016Kennel Cottage Tollgate Road Colney Heath St Albans AL4 0NZ
Received 31 Jan 2022Aqua Ristorante Ltd 28 High Street Welwyn AL6 9EQ
Received 14 Feb 20205 Brockswood Lane Welwyn Garden City AL8 7BA
Received 26 Oct 2020Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
View all applicationsStart 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.

Understanding planning · 13 min read
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