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
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - GrantedS6/2006/0443/TP

    WORK TO TREES COVERED BY TPO 3, G52

    FIRS PARK MOBILE HOME SITE, WOODSIDE LANE, BELL BAR, HATFIELD, HERTFORDSHIRE, AL9 6DG

    Received 1 Mar 2006
  2. DecidedN6/2008/1898/TC

    WORKS TO TREES.

    LAND ADJACENT TO 88-140 STANBOROUGH GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE

    Received 9 Oct 2008
  3. Decided - Refused6/2018/0998/PN8

    Prior approval for the erection of a single storey rear extension measuring 6.0 in depth, 2.8m in height, 2.6m to the eaves

    4 Crop Common Hatfield AL10 0DF

    Received 3 Apr 2018
  4. Decided - SplitS6/2006/0393/AD

    DISPLAY OF FIVE INTERNALLY ILLUMINATED SIGNS(AMENDMENT TO SITING)

    TRAVELODGE, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10

    Received 27 Mar 2006
  5. Decided - Granted6/2023/0611/HOUSE

    Erection of single storey front extension

    60 Lords Wood Welwyn Garden City AL7 2HG

    Received 20 Mar 2023
  6. Decided - Granted6/2021/3080/HOUSE

    Erection of a single storey side extension following removal of existing shed

    143 Hollybush Lane Welwyn Garden City AL7 4JT

    Received 27 Oct 2021
  7. Decided - GrantedW6/2014/1454/EM

    Erection of part single storey, part two storey side extension and new patio doors

    5 Pitsfield, Welwyn Garden City, AL8 7SJ

    Received 20 Jun 2014
  8. Decided - Granted6/2022/1914/EMT

    T1 x Apple to reduce by approximately 2m height and width. T2 2 x Hollies to reduce by around 50% crown volume, trim sides in tight to create shape

    4 High Grove Welwyn Garden City AL8 7DW

    Received 16 Aug 2022
  9. Decided - Refused6/2021/3054/HOUSE

    Erection of a part two storey, part single storey rear extension, and a front porch extension

    19 Brain Close Hatfield AL10 8BT

    Received 25 Oct 2021
  10. Decided - Granted6/2016/1167/COUNTY

    Screening Opinion

    Commonswood School The Commons Welwyn Garden City AL7 4RU

    Received 17 May 2016
  11. Decided - Granted6/2019/2963/EM

    Erection of front porch extension, single storey rear extension and raising of side parapet

    39 Bushey Ley Welwyn Garden City AL7 3HB

    Received 26 Nov 2019
  12. Decided - Granted6/2021/1017/EMH

    Erection of a first floor side extension

    37 Sherrardspark Road Welwyn Garden City AL8 7JY

    Received 26 Mar 2021
  13. Decided - GrantedN6/2014/0935/DS

    Approval of details reserved by conditions 3 (materials) 4 (parking and VXO) and 5 (parking) of planning application N6/2013/0320/FP

    1 Heathbrow Road Welwyn AL6 0QG

    Received 7 May 2014
  14. Decided - Granted6/2025/1939/EM

    Erection of a two storey rear extension

    7 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 9 Sept 2025
  15. Decided - RefusedS6/2008/1741/FP

    ERECTION OF SIDE CONSERVATORY

    OAK CHALET, VINEYARDS ROAD, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4PE

    Received 10 Sept 2008
  16. Decided6/2019/0791/TPO

    Reduce 4x Yew Tree by 4m , covered by conservation area

    Parkside House 58 Mill Lane Welwyn AL6 9ES

    Received 26 Mar 2019
  17. Appeal Decided - Dismissed6/2017/0087/HOUSE

    Erection of single storey front, two storey side and rear extension

    2 Roe Green Close Hatfield AL10 9PE

    Received 17 Jan 2017
  18. Decided6/2020/1533/TC

    Remove 2 x Yew Toparies trees (T1 and T2) & 6/2020/1729/EMT

    9 Lytton Gardens Welwyn Garden City AL8 6EG

    Received 29 Jun 2020
  19. Decided - Refused6/2024/1066/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 3m in height and 3m to the eaves

    Jupiter Coopers Lane Northaw Potters Bar EN6 4NJ

    Received 10 Jun 2024
  20. Decided - GrantedN6/2014/2500/NM

    Non material amendment following approval of planning eprmission N6/2014/1020/S73A - Amendments to car parking and rear elevation

    Moorlands Motor Company Moorlands Welwyn Garden City

    Received 17 Nov 2014
  21. Decided - Granted6/2019/2871/HOUSE

    Installation of a prefabricated timber framed garden studio

    11 Wendover Drive Welwyn AL6 9LT

    Received 14 Nov 2019
  22. Decided - Granted6/2016/1710/PN8

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

    17 Meadow Croft, Hatfield, AL10 0SG

    Received 16 Aug 2016
  23. Decided - Granted6/2017/2528/EM

    Rebuild of front porch and replacement of existing windows

    65 Carve Ley Welwyn Garden City AL7 3HL

    Received 31 Oct 2017
  24. DecidedN6/2008/2192/TC

    REDUCE ASH TREE IN REAR GARDEN BY 25%

    29 SHEEPCOTE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4QA

    Received 19 Nov 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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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.

Check collection coverage