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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
24,612Searchable applications
313Recorded as pending
86%Approval rate · 20,175 approved or refused records
2,787Refused applications

17,388 approved · 2,787 refused · 1,294 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

Conservation areas and Article 4 directions

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.

Conservation areas9 mapped area records
Article 4 direction areasNo boundary records available in this collection

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.

More application records

  1. Decided - Granted6/2018/3152/FULL

    Installation of a new shop front, single storey rear extension, extract ventilation ducts, cold room & air conditioning compressors, replacement residential access walkway with railings, fencing, gates and bin storage area.

    20 Station Road Cuffley Potters Bar EN6 4HT

    Received 11 Dec 2018
  2. Decided - Granted6/2021/3499/LAWP

    Certificate of lawfulness for addition of first floor to existing single storey dwelling, pursuant to Prior Approval given on 16.12.21 ref no. 6/2021/2975/PN27

    33 Codicote Road Welwyn AL6 9TT

    Received 17 Dec 2021
  3. Decided - Granted6/2021/2558/EMT

    Line of western red cedar - reduce by 4m in height, cut back width by approximately 1m over garden side. Approximately 1.5m over drive and garage. Road side to trim hard, lift over garage. Trim hard on front corner. 1 x Lawson Cypress - fell

    16 Moorend Welwyn Garden City AL7 4QL

    Received 1 Sept 2021
  4. Decided - Granted6/2021/1149/EMH

    Erection of rear conservatory

    10 Sheepcote Welwyn Garden City AL7 4QD

    Received 8 Apr 2021
  5. Decided - Granted6/2017/1177/EM

    Removal of 1x Apple Tree, 1x Holly Tree, 1x Cherry Blossom Tree

    368 Knightsfield Welwyn Garden City AL8 7NG

    Received 30 May 2017
  6. Decided - Granted6/2020/1696/EMT

    Reduce 1x Oak Tree by 3 metres all round Reduce 1 x Sycamore tree by 2 metres all round

    67 Howicks Green Welwyn Garden City AL7 4RJ

    Received 13 Jul 2020
  7. Decided - Granted6/2016/1640/TPO

    Removal of Conifer tree - Conservation Area

    56 Woodland Rise, Welwyn Garden City, AL8 7LF

    Received 11 Aug 2016
  8. Decided - Granted6/2025/0652/EMT

    Fell T1 - Cupressus sp. due to affecting reasonable enjoyment of garden and adjacent properties.

    87 Guessens Road Welwyn Garden City AL8 6RE

    Received 3 Apr 2025
  9. Decided - Withdrawn6/2019/1176/LAWP

    Certificate of lawfulness for the erection of single storey

    62 Brocket Road Welwyn Garden City AL8 7TU

    Received 15 May 2019
  10. Decided6/2020/0424/TC

    Fell 1 x Apple tree Reduce 1 x Apple tree by 1m and thin by 20%

    4 High Grove Welwyn Garden City AL8 7DW

    Received 14 Feb 2020
  11. Decided - Granted6/2025/0446/HOUSE

    Erection of a summer house/garden office

    87 Robbery Bottom Lane Welwyn AL6 0UL

    Received 11 Mar 2025
  12. Decided - Granted6/2021/3119/EMT

    To trim lime tree back to previous cuts. The lime tree is in our hedge line and hangs over the pedestrian path. (This application is in addition to the larger lime tree and the beech tree approved for trimming earlier this year)

    30 Youngs Rise, Welwyn Garden City, AL8 6RU

    Received 1 Nov 2021
  13. Decided - Granted6/2016/2150/EM

    Removal of leylandii hedge in rear garden

    9 Mount Way Welwyn Garden City AL7 4LD

    Received 12 Oct 2016
  14. Decided - Withdrawn6/2019/0820/EM

    Erection of single storey side/rear extension and part two storey,part single storey rear/side extension

    9 Youngs Rise Welwyn Garden City AL8 6RT

    Received 4 Apr 2019
  15. Decided - Granted6/2024/2067/HOUSE

    Erection of a single storey rear extension and partial conversion of existing garage/outbuilding into habitable space, erection of a bay window to the rear and installation of roof lights to the rear roof with new parapet

    18 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 25 Oct 2024
  16. Decided - Granted6/2018/2745/TPO

    Reduce 4 x Hornbeam Trees (1,2,3 and 5) cut back to previous cuts, reduce 1 x Oak Tree (4) by one third and cut back to previous cuts, and fell 1 x Oak Tree (7) to be replaced - Covered by TPO 53 (1980)

    7 Bluebells Welwyn AL6 0XD

    Received 23 Oct 2018
  17. Decided - Granted6/2018/1502/COND

    Submission of details pursuant to condition 1 (material samples), 2 (details related to upper floor window), 3 (refuse and recycling storage), 4 (bicycle storage), 5 (hard and soft landscape plans), 6 (landscape details regarding planting and seeding), 7 (car parking construction and maintenance), 8 (car parking plans) on planning permission 6/2017/0157/FULL

    9A Brookmans Avenue Brookmans Park Hatfield AL9 7QH

    Received 5 Jun 2018
  18. Decided - Refused6/2016/1675/HOUSE

    Erection of two storey rear and side extensions

    2 - 4 The Paddocks, Welwyn Garden City, AL7 2BP

    Received 18 Aug 2016
  19. Decided - Granted6/2016/1997/EM

    Removal of Ash & Goat Willow tree plus 30% crown reduction of Cherry tree

    5 Handside Green, Welwyn Garden City, AL8 6SQ

    Received 15 Sept 2016
  20. Decided - Granted6/2017/0399/EM

    Formation of concrete landing and installation of access ramp to front of property. Installation of front door.

    63 Hall Grove Welwyn Garden City AL7 4PQ

    Received 27 Feb 2017
  21. Decided - Granted6/2017/2553/LAWP

    Certificate of lawfulness for the installation of rear dormer and 2 front rooflights to facilitate loft conversion.

    16 Chambers Grove Welwyn Garden City AL7 4FQ

    Received 6 Nov 2017
  22. Decided - Granted6/2018/0184/FULL

    Erection of single storey extension to detached classroom block

    Welwyn St Marys Church Of England Primary School 15 London Road Welwyn AL6 9DJ

    Received 18 Jan 2018
  23. Decided - Granted6/2021/1728/EMH

    Erection of a single storey garden room at rear of the garden

    32 Longcroft Lane Welwyn Garden City AL8 6EA

    Received 1 Jun 2021
  24. Decided - Granted6/2023/1018/HOUSE

    Erection of a garden room to rear garden to use as a home office & gym

    55 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 15 May 2023

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Researching a proposal in Welwyn Hatfield Borough Council

Start 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

Guides to planning records

All planning guides

  • 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.

    UK research
    Published Updated

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

    UK research
    Published Updated

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

    UK research
    Published Updated

What these statistics cover

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.

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