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England · Local authority

Welwyn Hatfield planning applications

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

Collected application statistics

Collected records · All available dates
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 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 Counts reflect the last collected status; some records may be out of date.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. Appeal Decided - Dismissed6/2023/1109/HOUSE

    Retention of detached garage

    15 Ramsey Close Hatfield AL9 6NP

    Received 25 May 2023
  2. Decided - Refused6/2017/1736/PN8

    Prior approval for the erection of a single storey rear extension measuring 8 m in depth, 3.2 m in height and 2.944 m to the eaves. Single storey side extension measuring 4.025 m beyond rear of existing property, 3.871 m in height and 2.944 m to the eaves and single storey side extension measuring 8 m beyond rear of existing property, 3.871 m in height and 2.944 m to the eaves.

    The Holdings Brocket Road Welwyn Garden City AL8 7TU

    Received 3 Aug 2017
  3. Decided6/2024/1873/TC

    1 x Pittosporum to reduce by approximately 2m in height, reduce width over neighbouring garden by approximately 2-2.5m, remaining width to reduce by 1.5m

    18 Marsden Road Welwyn Garden City AL8 6XZ

    Received 30 Sept 2024
  4. Decided - Granted6/2016/1304/TPO

    Removal of Epicormic growth from Hornbeam tree (T1), reduce second Hornbeam tree (T2) by 3m, Remove deadwood and Epicormic growth, cut back by 3m and reduce crown by 15% on Oak tree (T3) and remove deadwood and reduce overhanging branch by 3m on Oak tree (T4) located in 38 Reddings, all covered by TPO 408(2008)

    40 & 38 Reddings, Welwyn Garden City, AL8 7LA

    Received 14 Jun 2016
  5. Decided - GrantedN6/2012/2633/LUP

    Erection of single storey rear extension

    65 London Road Woolmer Green Knebworth SG3 6HG

    Received 18 Dec 2012
  6. Decided - Refused6/2017/2751/PN14

    Prior approval for the demolition of units 1, 3A, 3B, 3C, 3D & 4C

    3C Bridgefields Welwyn Garden City AL7 1RX

    Received 22 Nov 2017
  7. Decided - Granted6/2024/1534/EMT

    Removal of 1 dead cherry tree and 1 dead sorbus tree

    20 Fordwich Road Welwyn Garden City AL8 6EY

    Received 13 Aug 2024
  8. Decided - Granted6/2020/2876/EM

    Erection of summer house to the rear, replacing an existing shed.

    240 Daniells Welwyn Garden City AL7 1QQ

    Received 3 Nov 2020
  9. Decided - Granted6/2021/0594/TPO

    Reduce 1 x American Sweetgum tree by 1.5m in height and 1m in width covered by TPO

    7 Hurst Close Welwyn Garden City AL7 2HX

    Received 24 Feb 2021
  10. Decided - Granted6/2017/0988/COND

    Submission of details pursuant to conditions 2 & 3 (Landscape) on planning permission 6/2017/0099/FULL dated 21/03/2017

    19 Woodland Way Welwyn AL6 0RX

    Received 9 May 2017
  11. Decided - Granted6/2022/2088/HOUSE

    Resubmission of 6/2019/1721/HOUSE - Erection of a single storey side and rear extensions, increase in ridge height and conversion of loft to habitable space with two side dormers and erection of front and side boundary treatment

    2 Kingswell Ride Cuffley EN6 4LH

    Received 7 Sept 2022
  12. Decided - Granted6/2023/1423/COND

    Submission of details pursuant to condition 7 (accessible housing) on planning permission S6/2015/1342/PP

    King George V Playing Field Northaw And Cuffley Bowling Club Northaw Road East Cuffley Potters Bar EN6 4RD

    Received 7 Jul 2023
  13. Decided - RefusedW6/2006/0012/EM

    ERECTION OF SINGLE STOREY REAR AND SIDE EXTENSION

    7 Mannicotts, Welwyn Garden City, AL8 7BW

    Received 5 Jan 2006
  14. Decided - GrantedS6/2013/2102/FP

    Erection of single storey rear extension and rear dormer

    40 Westland Drive, Brookmans Park, Hatfield, AL9 7UQ

    Received 3 Oct 2013
  15. Decided - Refused6/2021/0315/LAWP

    Certificate of lawfulness for the erection of a single storey side extension

    9 Mount Pleasant Close Hatfield AL9 5BZ

    Received 2 Feb 2021
  16. Decided - Granted6/2018/3256/EM

    Erection of part single storey, part two storey side extension following demolition of garage and single storey rear infill extension between main house and outbuilding to facilitate conversion of existing outbuilding and raising of outbuilding's roof

    101 Bushey Ley Welwyn Garden City AL7 3HF

    Received 20 Dec 2018
  17. Decided - Granted6/2016/0521/HOUSE

    Erection of single storey side and front extension

    43 Holloways Lane, Welham Green, Hatfield, AL9 7NR

    Received 17 Mar 2016
  18. Decided - GrantedN6/2004/1017/FP

    SINGLE STOREY DETACHED TIMBER BUILDING IN REAR GARDEN.

    24 Birdcroft Road Welwyn Garden City AL8 6EQ

    Received 6 Jul 2004
  19. Decided - Granted6/2020/1415/EMT

    Reduce 1x Fir tree by 7m

    3 High Grove Welwyn Garden City AL8 7DW

    Received 18 Jun 2020
  20. Decided - GrantedN6/2015/1072/FP

    Retention of existing garage, front boundary wall and entrance gates

    14 Great North Road Welwyn AL6 0PL

    Received 20 May 2015
  21. Decided - Granted6/2016/2301/HOUSE

    Erection of single storey rear extensions, insertion of 2 rooflight windows and repositioning of existing garage to 1 metre back from the building facade

    34 Parkway Welwyn Garden City AL8 6HQ

    Received 3 Nov 2016
  22. Decided - Granted6/2016/1344/EM

    Erection of single storey rear extension following demolition of existing outbuilding

    2 Holly Walk, Welwyn Garden City, AL8 7EJ

    Received 1 Jul 2016
  23. Decided - Withdrawn6/2018/0984/EM

    Erection of single storey rear extension

    171 Parkway Welwyn Garden City AL8 6JA

    Received 16 Apr 2018
  24. Decided - Granted6/2017/2793/HOUSE

    Erection of single storey front and side extension to garage, erection of porch roof

    9 Brookmans Avenue Brookmans Park Hatfield AL9 7QH

    Received 29 Nov 2017

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

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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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