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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
39,179Searchable applications
344Recorded as pending
86%Approval rate · 32,755 approved or refused records
4,688Refused applications

28,067 approved · 4,688 refused · 2,149 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2024/0617/LAWP

    Certificate of lawfulness for detached garden building in the rear garden for ancillary use

    25 The Avenue Welwyn AL6 0PW

    Received 2 Apr 2024
  2. Decided - Granted6/2019/2782/VAR

    Removal of condition 2 (Japanese knotweed) on planning permission 6/2018/2994/VAR

    Plot 6000, Land Adjacent to Porsche Garage, Hatfield House, Hatfield Business Park, Hatfield, AL10 9UA

    Received 4 Nov 2019
  3. Decided - GrantedN6/2014/0665/FP

    Erection of two storey rear and single storey side extension

    22 Spinney Lane Welwyn AL6 9TF

    Received 28 Mar 2014
  4. Decided - GrantedN6/2015/1010/TP

    Fell Scots Pine tree covered by TPO194

    2 Sherrards Mansion, Rectory Road, Welwyn Garden City, AL8 7AY

    Received 10 Apr 2015
  5. Decided - Granted6/2018/1443/EM

    Erection of two storey side and single storey rear extension erection of conservatory including installation of rear dormer and rooflight formation of additional crossover and extension of existing driveway

    1 Youngs Rise Welwyn Garden City AL8 6RT

    Received 30 May 2018
  6. Decided - Refused6/2019/2467/LAWP

    Certificate of lawfulness for a hip to gable enlargement, rear dormer and window on side elevation wall

    13 Parsonage Lane Welham Green Hatfield AL9 7NB

    Received 3 Oct 2019
  7. Decided - Granted6/2023/0676/COND

    Submission of details pursuant to condition number 18 (signing of car park access), on planning permission 6/2021/1987/VAR

    1 Town Centre Hatfield AL10 0JZ

    Received 27 Mar 2023
  8. Decided - RefusedN6/2005/1525/FP

    ERECTION OF ATTACHED GARAGE AND EXTERNAL ALTERATIONS TO FORM LIVING ACCOMMODATION

    29 Mendlesham Welwyn Garden City AL7 2QG

    Received 9 Dec 2005
  9. Decided6/2018/1278/TPO

    Reduce 1 x Bay tree (T1), 1 x Mulberry tree (T2) and 1 x Sweet Chestnut tree (T3) by 30% - Conservation Area

    11 & 12 The Pastures Welwyn Garden City AL7 4PX

    Received 10 May 2018
  10. DecidedN6/2014/2354/TC

    Removal of hedge

    9 Youngs Rise, Welwyn Garden City, AL8 6RT

    Received 27 Oct 2014
  11. Decided - Granted6/2019/1331/FULL

    Erection of porch and store, alterations to windows and doors and garden gate

    The Wrestlers Public House 89 Great North Road Hatfield AL9 5LP

    Received 4 Jun 2019
  12. Decided - GrantedW6/2013/1436/EM

    Formation of hardstanding

    21 Dellcott Close, Welwyn Garden City, AL8 7BB

    Received 3 Jul 2013
  13. Decided - Granted6/2022/2270/TPO

    T1 - Crown reduce Sycamore tree by 2-3 metres all round at the front side of the property T2 - Crown reduce Lime tree by 2-3 metres all round at the front side of the property T3 - Crown reduce Lime tree by 2 metres all round at the front side of the property T4 - Crown reduce Horse Chestnut tree by 2 metres all round by the side of the property T6 - Crown reduce Sycamore tree by 2-3 metres all round at the rear side of the property TPO 647 (2017) G1

    2 St Ives Close Digswell Welwyn Hertfordshire AL6 0BB

    Received 30 Sept 2022
  14. Decided - Granted6/2025/0245/HOUSE

    Erection of two storey front and rear extensions, first floor side extension, roof replacement, front boundary wall and gates

    141 Tolmers Road Cuffley Potters Bar EN6 4JW

    Received 11 Feb 2025
  15. Decided - GrantedW6/2015/0823/EM

    Erection of two storey rear extension

    23 Gresley Close, Welwyn Garden City, AL8 7QA

    Received 16 Apr 2015
  16. Decided - Granted6/2020/1579/HOUSE

    Installation of log cabin in rear garden

    3 School Road Little Heath Potters Bar EN6 1JW

    Received 2 Jul 2020
  17. Decided - GrantedN6/2013/2742/TC

    Removal of lower branches on Oak tree and 2 Sycamore trees

    16 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 19 Dec 2013
  18. Decided - Granted6/2021/0076/HOUSE

    Single storey rear extension and internal alterations

    4 The Old Drive Welwyn Garden City AL8 6TB

    Received 12 Jan 2021
  19. Decided - GrantedS6/2009/2052/DS

    DISCHARGE OF CONDITION 8 (BAT MITIGATION WORKS) FROM APPEAL DECISION APP/C1950/A/08/2089859

    GLENSIDE, VINEYARDS ROAD, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4PF

    Received 22 Sept 2009
  20. Decided - Withdrawn6/2025/1043/HOUSE

    Erection of single story extension following removal of garage and outbuilding

    Ayot Farm Bibbs Hall Lane Ayot St Lawrence AL6 9BY

    Received 2 Jun 2025
  21. Decided - GrantedS6/2009/2580/FP

    ERECTION OF TWO STOREY SIDE AND SINGLE STOREY REAR EXTENSION AND DETACHED GARAGE

    29 Homestead Road Hatfield AL10 0QJ

    Received 20 Nov 2009
  22. Decided - Granted6/2021/1272/EMT

    Move existing privet hedge between No 40 & No 42 to centre of boundary between the two properties. Remove dead shrubs to designate correct boundary between the properties.

    40 Handside Lane Welwyn Garden City AL8 6SJ

    Received 20 Apr 2021
  23. Decided - GrantedW6/2004/1391/EM

    ERECTION OF A ONE METRE HIGH FENCE.

    129 Boundary Lane, Welwyn Garden City, AL7 4EQ

    Received 16 Sept 2004
  24. Decided - Granted6/2018/1388/EM

    Erection of a single storey rear extension. Minor alterations to fenestration and doors. Construction of front planters and retrospective permission for the driveway and associated works

    358 Knightsfield Welwyn Garden City AL8 7NG

    Received 24 May 2018

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

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Researching a proposal in Welwyn Hatfield Borough Council

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How to search planning applications

Guides to planning records

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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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