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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
40,308Searchable applications
287Recorded as pending
86%Approval rate · 33,826 approved or refused records
4,820Refused applications

29,006 approved · 4,820 refused · 2,220 withdrawn. Received dates in our records: 29 Apr 1948 to 3 Nov 2026. Most recent record check: 10 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2015/0707/DS

    Approval of details reserved by conditions 3 (Materials), 4 (landscaping), 5 ( Tree protection) ,6 (Storage) and 7 of planning permission S6/2014/2706/FP

    49 Woods Avenue, Hatfield, AL10 8QE

    Received 31 Mar 2015
  2. Decided - Granted6/2025/2028/HOUSE

    Conversion of garage into habitable space with installation of window

    11 Somersham Welwyn Garden City AL7 2PZ

    Received 22 Sept 2025
  3. Decided - Granted6/2019/2575/EM

    Reduce 1 x oak tree crown (T1) by 30%

    14 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 14 Oct 2019
  4. Appeal Decided - Dismissed6/2023/0163/FULL

    Proposed part demolition of existing property and erection of 5 no 4 bedroom houses with associated internal access roads, parking and refuse / recycling collection

    57 New Road Digswell Welwyn AL6 0AL

    Received 23 Jan 2023
  5. Decided - Granted6/2025/1065/EMT

    Crown reduce 2 x Oak Trees by approx. 2-3m Remove any major deadwood Crown thin 15%

    29 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 5 Jun 2025
  6. Decided6/2020/1710/TC

    Reduce x1 Silver Birch by 20%

    26 High Street Welwyn AL6 9EQ

    Received 14 Jul 2020
  7. Decided - Withdrawn6/2020/1770/TPO

    Reduce x1 T1 Oak Tree Reduce by 3 to 4m

    Rivendell 13C Oaklands Rise Welwyn AL6 0RN

    Received 20 Jul 2020
  8. Decided - GrantedS6/2015/1427/HOUSE

    Single storey rear and side extension following demolition of rear shed

    20 Holloways Lane Welham Green Hatfield AL9 7NP

    Received 3 Jul 2015
  9. Decided - Refused6/2019/2460/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.2m in height and 3.2m to the eaves following demolition of the existing rear extension

    63 Holloways Lane, Welham Green, North Mymms, Hatfield, AL9 7NU

    Received 2 Oct 2019
  10. Decided - GrantedS6/2014/2029/FP

    Installation of new windows and doors including the removal of existing goods shutter to be replaced with glazed entrance screen and automated door

    GE Healthcare 71 Great North Road Hatfield AL9 5EN

    Received 12 Sept 2014
  11. Decided - GrantedS6/2006/0483/FP

    ERECTION OF TWO STOREY SIDE AND SINGLE STOREY REAR EXTENSION, PITCHED ROOF TO EXISTING DORMER AND NEW FRONT DORMER AND FRONT PORCH

    8 Farm Close Cuffley Potters Bar EN6 4RQ

    Received 11 Apr 2006
  12. Decided - GrantedW6/2006/0067/EM

    ERECTION OF SINGLE STOREY SIDE EXTENSION WITH NEW ENTRANCE, SINGLE STOREY REAR EXTENSION INCORPORATING GARAGE AREA FOLLOWING REMOVAL OF EXISTING CONSERVATORY AND NEW FRONT GARDEN BRICK WALL AND EXTEND EXISTING VEHICLE HARDSTANDING

    3 Pinnate Place, Welwyn Garden City, AL7 4DX

    Received 17 Jan 2006
  13. Decided - GrantedS6/2009/2744/FP

    ERECTION OF THREE BEDROOM DWELLING AND ATTACHED GARAGE FOLLOWING DEMOLITION OF EXISTING DOUBLE GARAGE

    121 Garden Avenue Hatfield AL10 8LH

    Received 24 Dec 2009
  14. Decided - Granted6/2022/1848/HOUSE

    Erection of single storey side and rear extensions

    28 Thistle Drive Hatfield Hertfordshire AL10 9FQ

    Received 8 Aug 2022
  15. Decided - GrantedN6/2009/2739/FP

    ERECTION OF FIRST FLOOR EXTENSION AND PART GARAGE CONVERSION

    4 VALLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DF

    Received 23 Dec 2009
  16. Decided - Granted6/2020/3153/PN8

    Prior approval for erection of single storey rear extension

    5 Feather Dell Hatfield AL10 8DE

    Received 20 Nov 2020
  17. Decided - Withdrawn6/2023/0143/LB

    Erection of eight rapid electric vehicle charging points, an electrical substation, two power modules and associated electrical feeder pillar, in the car park of the Beehive Public House and retrospective planning permission for a metal hoop top fence to bisect the car park

    The Beehive Beehive Lane Welwyn Garden City AL7 4BW

    Received 20 Jan 2023
  18. Decided - Granted6/2024/0440/HOUSE

    Erection of a single storey rear extension

    3 Larch Lane Welwyn AL6 0UJ

    Received 7 Mar 2024
  19. Decided - Granted6/2018/2053/EM

    Erection of single storey rear extension

    16 Hillside Welwyn Garden City AL7 4PZ

    Received 3 Aug 2018
  20. Decided - Granted6/2021/2253/EM

    Erection of 1 metre high green chain link fence with wooden posts alongside boundary with new hedge and access gate, and erection of 1 metre high wood picket fence alongside driveway with access gate.

    1 Monica Court Applecroft Road Welwyn Garden City AL8 6LB

    Received 27 Jul 2021
  21. Decided - GrantedN6/2007/0936/FP

    ERECTION OF REAR CONSERVATORY

    6 Elsons Mews Welwyn Garden City AL7 1FP

    Received 25 Jun 2007
  22. Decided - Granted6/2019/2077/EM

    Reduce 1 x Black Locust by 2.5m height & 2m width & crown lift to 4m over footpath

    38 Kirklands Welwyn Garden City AL8 7RD

    Received 20 Aug 2019
  23. Decided - Refused6/2016/2607/HOUSE

    Erection of rear dormer loft conversion

    50 Bluebridge Road Brookmans Park Hatfield AL9 7SA

    Received 7 Dec 2016
  24. Decided - Granted6/2022/2153/EMT

    T1 - Oak - fell - dead tree T2 - Hawthorn - fell - dead tree T3 - Wild Cherry - fell

    3 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 15 Sept 2022

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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