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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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedS6/2008/2240/FP

    ERECTION OF TWO STOREY REAR AND SIDE EXTENSIONS AND FRONT PORCH

    91 NORTHAW ROAD WEST, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NS

    Received 21 Nov 2008
  2. Decided - Granted6/2020/2679/EMT

    Reduce crown of Maple (T1) by 30% to maintain size and shape.

    6 The Limes Welwyn Garden City AL7 4BD

    Received 14 Oct 2020
  3. Decided - Granted6/2022/1378/PN8

    Prior approval for a 4m single storey rear extension

    79 Holloways Lane Welham Green Hatfield Hertfordshire AL9 7NU

    Received 14 Jun 2022
  4. Decided - GrantedN6/2009/2667/FP

    ERECTION OF A REAR CONSERVATORY

    10 Harvest Court Welwyn AL6 0NG

    Received 11 Dec 2009
  5. Decided - GrantedW6/2013/1594/EM

    Formation of vehicle hardstanding and part removal of hedge

    7 Homestead Lane, Welwyn Garden City, AL7 4LT

    Received 19 Jul 2013
  6. Decided - Granted6/2026/0503/COND

    Submission of details pursuant to Condition 1 (Materials) on planning permission 6/2020/1819/FULL

    21 Acorn Lane Cuffley Potters Bar EN6 4JQ

    Received 17 Mar 2026
  7. Decided - GrantedN6/2015/0658/TC

    Replacement of partial exsiting hedge

    66 Valley Road, Welwyn Garden City, AL8 7DN

    Received 25 Mar 2015
  8. Decided - Granted6/2021/2686/EMT

    Fell rear mixed section including Holly, Elder and Laurel trees by approx 4m in height

    94 Woodhall Lane Welwyn Garden City AL7 3TR

    Received 16 Sept 2021
  9. Decided - Withdrawn6/2019/3181/HOUSE

    Erection of part single part two storey side and rear extensions

    12 Archers Ride Welwyn Garden City AL7 4PS

    Received 18 Dec 2019
  10. Decided - Granted6/2016/0406/MAJ

    Partial recladding of existing walls and roofs of existing buildings. Reconstruction of section of existing buildings with no increase in floor area (225 sqm affected)

    27 Ayot Green Sawmill Ayot Green Ayot St Peter Welwyn AL6 9BA

    Received 4 Mar 2016
  11. Decided - Granted6/2019/2408/EM

    Fell 1 x Castlewelllan Leylandii tree

    30 Attimore Road Welwyn Garden City AL8 6LP

    Received 30 Sept 2019
  12. Decided - Withdrawn6/2017/0821/HOUSE

    Erection of single storey side extension at ground level

    Mayfield Kimpton Road Welwyn AL6 9NN

    Received 20 Apr 2017
  13. Decided - WithdrawnS6/2009/2476/FP

    RETENTION OF CHANGE OF USE OF PART OF UNIT TO FORM OFFICE/TAXI OFFICE (B1 SUI GENERIS)

    L KAHN MANUFACTURING CO LTD, WELLFIELD ROAD, HATFIELD, HERTS, AL10 0BS

    Received 9 Nov 2009
  14. Decided6/2021/0561/TC

    Reduce height of Conifer tree by 30% and cut small group of trees (Laurels, Viburnum and Beech) to ground level.

    2 Moorlands Welwyn Garden City AL7 4PP

    Received 22 Feb 2021
  15. Decided - Granted6/2025/2072/TPO

    T1 - Incense Cedar - Deadwood. Tip thin by 15%, lift by 1m over the garden to rear by removing pendula's growth, balance over the garden

    8 Wendover Lodge Church Street Welwyn AL6 9LR

    Received 29 Sept 2025
  16. Decided - Granted6/2019/3254/PN8

    Prior approval for the erection of a single storey rear extension measuring at 6m in depth, 3.40m in height and 3m to the eaves

    11 Hillcrest Hatfield AL10 8EZ

    Received 30 Dec 2019
  17. Decided - GrantedW6/2014/1953/EM

    Replace existing timber windows with UPVC

    49 Brockswood Lane, Welwyn Garden City, AL8 7BU

    Received 2 Sept 2014
  18. Decided - Granted6/2016/1536/EM

    Formation of hard standing

    73 Walnut Grove, Welwyn Garden City, AL7 4EY

    Received 27 Jul 2016
  19. Decided6/2024/2143/TC

    Removal of dead dangerous Prunus cerasifera to ground level. Replanting a cherry close to its location.

    4 Russellcroft Road Welwyn Garden City AL8 6QT

    Received 7 Nov 2024
  20. Decided - GrantedN6/2014/2302/EM

    Formation of hardstanding and removal of Conifer tree

    37 Haldens Welwyn Garden City AL7 1DH

    Received 14 Sept 2014
  21. Decided - Granted6/2018/2926/HOUSE

    Erection of single storey side garage extension and single storey rear extension

    Field House, Leggatts Park, Great North Road, Little Heath, Potters Bar, EN6 1NZ

    Received 14 Nov 2018
  22. Decided - Granted6/2025/0936/HOUSE

    Proposed loft conversion by raising ridge of main roof, formation of rear dormer and two rooflights to the front roof slope

    1 Stirling Way Welwyn Garden City AL7 2QA

    Received 21 May 2025
  23. Decided - RefusedN6/2008/0302/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION AND LOFT CONVERSION INCORPORATING DORMER WINDOWS TO FRONT AND REAR ELEVATIONS

    41 SHERRARDSPARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LD

    Received 15 Feb 2008
  24. Decided - Granted6/2024/2220/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension following demolition of existing garage

    80 Upperfield Road Welwyn Garden City AL7 3LW

    Received 18 Nov 2024

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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