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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
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2022/2040/FULL

    Installation of wall louvres and extraction flues to a unit constructed following the grant of planning permission ref: 6/2019/1851/VAR.

    A1 Connect Industrial Estate Cole Green Lane Welwyn Garden City Hertfordshire AL7 4FW

    Received 1 Sept 2022
  2. Decided - Refused6/2024/2394/LB

    Erection of a single storey front extension, removal of existing flat roof, raising roof and replacing with a new flat roof. Kitchen walls to be removed. Replacement of 4no. windows

    Mill Green 5 Waterside Cottages Bush Hall Lane Hatfield AL9 5NY

    Received 17 Dec 2024
  3. Decided - Granted6/2024/1850/VAR

    Variation of condition 2 (details of replacement doors) on application ref: 6/2024/0468/LB

    Templewood Primary School Pentley Park Welwyn Garden City AL8 7SD

    Received 26 Sept 2024
  4. Decided - RefusedW6/2014/2192/EM

    Erection of single storey and two storey side extension

    10 High Grove, Welwyn Garden City, AL8 7DW

    Received 3 Oct 2014
  5. Decided - Granted6/2020/2790/HOUSE

    Demolition of existing pergola, detached garage and garden shed to facilitate the erection of a single storey side and rear extension.

    5 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 26 Oct 2020
  6. Decided - GrantedW6/2014/1130/EM

    Erection of ground floor rear extension with ramped access and store following demolition of existing store and shed

    13 Beechfield Road, Welwyn Garden City, AL7 3RG

    Received 20 May 2014
  7. Decided - Granted6/2020/0020/EM

    Erection of part two storey and one storey rear single storey side extension

    75 The Commons Welwyn Garden City AL7 4RZ

    Received 7 Jan 2020
  8. Decided - Granted6/2019/0637/FULL

    Change of use from amenity land to residential land, to facilitate extension of existing dropped kerb to form part of new front driveway layout

    6 High Oaks Road Welwyn Garden City AL8 7BH

    Received 18 Mar 2019
  9. Decided - WithdrawnN6/2008/0054/LB

    ERECTION OF REAR CONSERVATORY

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

    Received 10 Jan 2008
  10. Decided - Granted6/2021/2207/MAJ

    Expansion and adaptation of existing car park, including construction of new single suspended level parking deck, reorganisation of road and pavement arrangement, introduction of additional cycle parking, junction improvements and associated landscaping improvements

    Campus West The Campus Welwyn Garden City AL8 6BX

    Received 21 Jul 2021
  11. Decided - Granted6/2018/1434/PN8

    Prior approval for the erection of a single storey rear extension measuring 5.8m in depth, 3m in height and 2.75m to the eaves

    24 Brookside Crescent Cuffley EN6 4QN

    Received 23 May 2018
  12. Decided - Granted6/2024/1185/EM

    Erection of a single storey rear extension to replace an existing conservatory

    5 Homerfield Welwyn Garden City AL8 6QZ

    Received 25 Jun 2024
  13. Decided - GrantedW6/2014/0579/EM

    Formation of new hardstanding and soft landscaping to front garden

    144 Knightsfield, Welwyn Garden City, AL8 7HD

    Received 18 Mar 2014
  14. Decided - Granted6/2023/0669/EMT

    1 x Sycamore to dismantle in sections to around 3ft above ground level

    13 Dellcott Close Welwyn Garden City AL8 7BB

    Received 24 Mar 2023
  15. Decided - Granted6/2023/0615/VAR

    Removal of condition 10 (biodiversity net gain) on planning permission 6/2019/2162/OUTLINE

    Land south-west of Filbert Close Hatfield AL10 9SH

    Received 20 Mar 2023
  16. Decided - Granted6/2017/0992/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.7m in depth, 3.0m in height and 2.8m to the eaves.

    12 Corn Mead Welwyn Garden City AL8 7QR

    Received 8 May 2017
  17. Decided - Granted6/2023/1991/EM

    Retention of the as-built rear extension at 3m overall height

    7 Hurstlings Welwyn Garden City AL7 3LX

    Received 27 Sept 2023
  18. Decided - RefusedS6/2013/0042/FP

    Erection of rear and side extension, alterations to front elevation and roof to include half hipped gables to side and front elevations and formation of dormer on rear elevation and front dormers

    38 King James Avenue, Cuffley, POTTERS BAR, EN6 4LP

    Received 7 Jan 2013
  19. Decided - Granted6/2020/3098/EMT

    Crown reduce 1 x Ash tree by 3-4m and remove deadwood

    18 Barleycroft Road, Welwyn Garden City, AL8 6JU

    Received 20 Nov 2020
  20. Appeal Decided - Dismissed6/2017/0169/HOUSE

    Erection of first floor front and side extension

    78 Talbot Road, Hatfield, AL10 0QZ

    Received 31 Jan 2017
  21. Decided - Withdrawn6/2026/0938/VAR

    Variation of Condition 2 (approved plans) on planning permission 6/2025/2490/HOUSE

    17 Attimore Road Welwyn Garden City AL8 6LH

    Received 28 May 2026
  22. Decided - GrantedN6/2004/1628/TP

    WORK TO TREES T1, T2, AND T3 COVERED BY TPO 99 AREA G3

    4 Juniper Gardens Welwyn AL6 0XH

    Received 3 Nov 2004
  23. Decided - Granted6/2025/1738/TPO

    T1 Oak tree to the front of the property to cut back the lateral growth by 20% or by up to 2 metres to suitable growing points 752 (2018) G1 T2 T3 T4 Group of Oak trees, to cut back the lateral growth by 20% or by up to 2 metres to suitable growing points 752 (2018) G3

    4B Bracken Lane Welwyn AL6 0RB

    Received 15 Aug 2025
  24. DecidedN6/2008/1832/TE

    REDUCE NORWEIGAN MAPLE TREE AND APPLE TREE IN REAR GARDEN BY 40%

    4 HOMERFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6QZ

    Received 30 Sept 2008

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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