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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
35,184Searchable applications
313Recorded as pending
87%Approval rate · 29,310 approved or refused records
3,929Refused applications

25,381 approved · 3,929 refused · 1,830 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedS6/2014/2294/FP

    Alterations to existing outbuilding/recreation building to include raising roof ridge height to incorporate a first floor level, installation of new windows, a first floor balcony and ground floor bay window

    The Ridges, The Ridgeway, Cuffley, Potters Bar, EN6 4BH

    Received 20 Oct 2014
  2. Decided - Granted6/2016/1114/HOUSE

    Erection of Single storey side and rear and two storey rear extension

    22 Turmore Dale, Welwyn Garden City, AL8 6HS

    Received 6 Jun 2016
  3. Decided - Granted6/2021/1027/HOUSE

    Erection of a single storey rear extension, garage conversion, front extension and relocation of fence, gate with new side canopy.

    5 Twin Foxes Knebworth SG3 6QT

    Received 29 Mar 2021
  4. Decided - GrantedW6/2014/2676/TE

    Reduce Oak tree by upto 15%

    1 Elmwood Welwyn Garden City AL8 6LD

    Received 26 Nov 2014
  5. Decided - Granted6/2015/1874/VAR

    Variation of condition 2 (approved plans) on planning application S6/2013/1863/FP to allow for the erection of orangeries to rear of Plots E, F and G only

    Hitchins Group Ltd, West End Lane, Essendon, Hatfield, AL9 6AT (formally Hitchins Yard)

    Received 7 Sept 2015
  6. Decided - Granted6/2024/1617/LAWP

    Certificate of lawfulness for the erection of a single storey rear and side extension following Prior Approval Application No: 6/2024/1330/PN8

    47 Coopers Road Little Heath Potters Bar EN6 1JQ

    Received 23 Aug 2024
  7. Decided - GrantedS6/2015/0664/LUP

    Certificate of lawfulness for proposed loft conversion with a gable and rear dormer and installation of three rooflights to the front roofslope

    39 Swanley Crescent, Potters Bar, EN6 1NQ

    Received 30 Mar 2015
  8. Decided - GrantedC6/1988/0742/FP

    Side extension to enlarge existing garage into double garage

    33 Moors Walk, Welwyn Garden City, AL7 2AX

    Received 1 Jan 1988
  9. Decided - GrantedN6/2010/0217/LB

    INSERTION OF WINDOW AT FIRST FLOOR LEVEL ON SIDE ELEVATION OF PROPERTY AND INSERTION OF A SINGLE DOOR AND CANOPY ON THE SIDE ELEVATION OF THE PROPERTY FOLLOWING THE REMOVAL OF AN EXISTING WINDOW

    31 AYOT GREEN, AYOT ST PETER, WELWYN, HERTFORDSHIRE, AL6 9AB

    Received 5 Feb 2010
  10. Decided - Granted6/2019/2222/EM

    Erection of a single storey side/rear extension

    32 Colgrove Welwyn Garden City AL8 6HU

    Received 6 Sept 2019
  11. Decided - GrantedN6/2008/2327/FP

    DEMOLITION OF EXISTING TIMBER BUILDING, ERECTION OF ONE AND A-HALF STOREY BRICK BUILDING FOR B1 USE, TO INCLUDE STRIP OF RESIDENTIAL LAND

    13 PEARTREE FARM, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3UW

    Received 1 Dec 2008
  12. Decided - Refused6/2015/2429/HOUSE

    Conversion of garage roof from hip to gable end. Raise ridge height by 300mm. Addition of dormer windows to facilitate conversion of roof space for home office. Addition of external staircase to northern elevation of garage for access.

    51 Harmer Green Lane Digswell Welwyn AL6 0AP

    Received 8 Dec 2015
  13. Decided - Refused6/2021/1536/EMH

    Erection of a two storey side and single storey rear extension

    23 Marley Road Welwyn Garden City AL7 4BT

    Received 13 May 2021
  14. Decided - Granted6/2022/1065/COND

    Submission of details pursuant to condition 1 (construction Management Plan), condition 2 (site levels), condition 7 (refuse and Recycling Storage), condition 9 (samples of materials) and condition 10 (sustainability Statement) on planning application 6/2020/2818/FULL

    61 New Road Digswell Welwyn Hertfordshire AL6 0AL

    Received 6 May 2022
  15. Decided - Refused6/2025/1383/HOUSE

    Erection of single storey rear and side extensions, hipped to gable loft conversion with rear dormer and front roof lights, alterations to fenestration, removal of chimney and demolition of detached garage

    69 Westland Drive Brookmans Park AL9 7UG

    Received 2 Jul 2025
  16. Decided - Granted6/2019/2000/FULL

    Change of use to include general industrial (B2), storage and distribution (B8) to existing (B1c) with replacement of hard standing and loading bay roller shutters.

    6 City Park Swiftfields Welwyn Garden City AL7 1LY

    Received 12 Aug 2019
  17. Decided - Granted6/2024/1912/VAR

    Variation of condition 3 (approved plans) on planning permission 6/2021/2184/HOUSE

    51 Woods Avenue Hatfield AL10 8QF

    Received 7 Oct 2024
  18. Decided - GrantedN6/2013/0051/FP

    Erection of single storey rear and side extension

    9 Brockswood Lane, WELWYN GARDEN CITY, AL8 7BA

    Received 10 Jan 2013
  19. Decided - Granted6/2018/0520/HOUSE

    Erection of single storey rear extension and front porch and part garage conversion to habitable space

    1 Stirling Way Welwyn Garden City AL7 2QA

    Received 20 Feb 2018
  20. Decided - GrantedN6/2009/0103/TE

    REMOVAL OF BRANCHES OF WILLOW TREE OVERHANGING NEIGHBOURING REAR GARDEN

    42 DIGSWELL RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PW

    Received 16 Jan 2009
  21. Decided - Withdrawn6/2023/0729/HOUSE

    Erection of single storey side extension with insertion of roof lantern and front porch extension.

    8 The Limberlost Welwyn AL6 9TS

    Received 31 Mar 2023
  22. Decided6/2025/2537/TC

    Reduction in height by approximately 1/3 of two Yew trees (marked as Tree A and Tree B on the enclosed plan) that have grown to in excess of 36 feet, are overshadowing the front of the house and the lawn, are interfering with the overhead telephone cables and are at risk of causing damage to nearby drains and house foundations. These works will not negatively affect the character or amenity value of the trees, while increasing the overall light levels, and the work is planned to maintain the overall shape of the trees Removal to ground level of non-native Conifer tree (marked as Tree C on the enclosed plan) that has grown to excessive height and spread, is inhibiting growth of the front lawn and is close to a neighbouring garage. The tree will be replaced with a smaller, native tree

    1 Fearnley Road Welwyn Garden City AL8 6HW

    Received 8 Dec 2025
  23. Decided - Granted6/2017/0284/TPO

    Reduce Liquidambar by up to 1.5m covered by TPO 521 (2016)

    7 Hurst Close Welwyn Garden City AL7 2HX

    Received 15 Feb 2017
  24. Decided - Refused6/2017/1190/HOUSE

    Erection of single storey side and rear extension to form annexe

    1 Puttocks Drive, Welham Green, Hatfield, AL9 7LW

    Received 30 May 2017

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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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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