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.
16,435 approved · 2,675 refused · 1,206 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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.
4 Digswell Park Cottages Digswell Park Road Welwyn Garden City AL8 7NN
Received 10 Sept 201817 Sheepcote Welwyn Garden City AL7 4QA
Received 19 May 202023 Coltsfoot Welwyn Garden City AL7 3HZ
Received 25 Jul 201716 Comet Road Hatfield AL10 0SX
Received 5 Jun 20241 Holwell Road Welwyn Garden City AL7 3RA
Received 8 May 201716 Horsa Gardens Hatfield AL10 9GF
Received 7 Sept 202023 Marlborough Close Welwyn Hertfordshire AL6 0UG
Received 14 Mar 202318 Mornington Digswell Welwyn AL6 0AJ
Received 19 May 202035 Attimore Road Welwyn Garden City AL8 6LQ
Received 28 Aug 2017St Francis Of Assisi Church, Church Road, Welwyn Garden City, Herts
Received 30 Jun 20152 The Drive Welwyn AL6 0TR
Received 6 Nov 20183 Handside Green Welwyn Garden City AL8 6SQ
Received 16 Feb 20262 Wych Elm Lane Welwyn AL6 9TG
Received 7 May 202438 Valley Road Welwyn Garden City AL8 7DN
Received 12 Dec 20244 Pentley Park Welwyn Garden City AL8 7RU
Received 27 Aug 202022 Elm Gardens Welwyn Garden City AL8 6RY
Received 27 Sept 202361 Handside Lane Welwyn Garden City AL8 6SH
Received 21 Mar 202519 Heath Road Welwyn Hertfordshire AL6 0TP
Received 8 Nov 2022Northaw House Coopers Lane Northaw Potters Bar EN6 4NG
Received 11 Mar 20248 Mountway Close Welwyn Garden City AL7 4JZ
Received 13 Oct 202045 Elmwood Welwyn Garden City AL8 6LD
Received 4 Nov 201929 Mandeville Rise Welwyn Garden City AL8 7JT
Received 13 Mar 201778 Woodhall Lane Welwyn Garden City AL7 3TF
Received 7 May 2020Land south of Welham Manor and west of Station Road, including 26 Station Road Welham Green AL9 7EL
Received 7 Jul 2026Records 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