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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
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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - Granted6/2018/2714/LAWE

    Certificate of lawfulness for existing single storey rear extension

    36 Hazel Grove Welwyn Garden City AL7 2DG

    Received 23 Oct 2018
  2. Decided - Split6/2018/1516/COND

    Submission of details pursuant to condition 1 (material samples), 4 (listed building details), 5 (roof survey) and 6 (listed fabric protection details) on planning permission 6/2017/2746/LB

    Ramada Hatfield St Albans Road West Hatfield AL10 9RH

    Received 6 Jun 2018
  3. Decided - Withdrawn6/2016/0112/HOUSE

    Erection of single storey rear extension with roof lantern after the demolition of the existing conservatory.

    49 Tolmers Road, Cuffley, Potters Bar, EN6 4JG

    Received 25 Jan 2016
  4. Decided - GrantedW6/2004/1184/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    18 Applecroft Road, Welwyn Garden City, AL8 6LA

    Received 3 Aug 2004
  5. Appeal Decided - DismissedS6/2005/1519/FP

    ERECTION OF REAR CONSERVATORY

    CUFFLEY HEIGHTS, 25 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BB

    Received 8 Dec 2005
  6. Decided - GrantedN6/2009/1022/TP

    REDUCE TO PREVIOUS POINTS, APPROXIMATELY 20% TO WALNUT TREE COVERED BY TPO 154

    2 Green End Welwyn AL6 9QF

    Received 13 May 2009
  7. Decided - Granted6/2016/1225/HOUSE

    Conversion of garage to habitable space

    23 Leysdown, Welwyn Garden City, AL7 2PY

    Received 20 Jun 2016
  8. Decided - Split6/2025/0909/COND

    Submission of details pursuant to condition number 1 (Archaeological Written Scheme of Investigation), on planning permission 6/2022/2759/FULL

    Plot 5610 Gypsy Moth Avenue Hatfield AL10 9BS

    Received 16 May 2025
  9. Decided - Granted6/2017/1365/PN8

    Prior approval for the erection of a single storey rear extension, measuring 4.287m. in depth, 2.687m. in height and 2.537m. to the eaves

    3 New Road Welwyn Garden City AL8 7TX

    Received 22 Jun 2017
  10. Appeal Decided - Dismissed6/2023/0594/HOUSE

    Installation of rear dormer window and conversion of roof from hipped to gabled, erection of single storey, part two storey rear extension and erection of single storey basement extension

    36 Kingsmead Cuffley Potters Bar EN6 4AN

    Received 16 Mar 2023
  11. Decided6/2022/0701/TC

    T5 - Multi-stemmed Ash - Fell to ground level as it is causing potential damage to the property.

    115 Handside Lane Welwyn Garden City Hertfordshire AL8 6TA

    Received 24 Mar 2022
  12. Decided6/2022/1532/TC

    Reduce sycamore to ground level and reduce line of trees (unknown species) to 3 metres above ground level

    39 High Oaks Road Welwyn Garden City AL8 7BT

    Received 30 Jun 2022
  13. Decided - Split6/2020/2217/COND

    Submission of details pursuant to conditions 1 (construction management plan), 2 (surface water drainage scheme) and 3 (archaeological written scheme of investigation) on planning permission 6/2019/2782/VAR

    Plot 6000, Land Adjacent to the Porsche Garage, Hatfield House, Hatfield Business Park, Hatfield, AL10 9UA

    Received 28 Aug 2020
  14. Appealed6/2021/3418/OUTLINE

    Outline permission for the replacement of stable buildings and the erection of a single storey, 2-bed dwelling with landscaping reserved

    Swan Stables Woodside Lane Hatfield AL9 6DE

    Received 7 Dec 2021
  15. Decided - Granted6/2020/0796/HOUSE

    Erection of attached single garage with roof lights

    110 Stonecross Road Hatfield AL10 0HS

    Received 27 Mar 2020
  16. Decided - Granted6/2022/2041/LAWP

    Certifcate of lawfulness for erection of outbuilding

    23 Kingswell Ride Cuffley Potters Bar Hertfordshire EN6 4LH

    Received 2 Sept 2022
  17. Decided - GrantedN6/2004/0334/FP

    REAR BOUNDARY GATES AND FENCE

    101 Ludwick Way Welwyn Garden City AL7 3PL

    Received 8 Mar 2004
  18. Decided - Granted6/2015/1945/HOUSE

    Erection of two storey sides extension and single storey front and rear extension.

    43 Calder Avenue, Brookmans Park, Hatfield, AL9 7AH

    Received 16 Sept 2015
  19. Decided - Granted6/2026/1299/HOUSE

    Erection of a hip to gable roof extension, rear box dormer and installation of three rooflights to the front roof slope

    7 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 23 Jul 2026
  20. Decided - Granted6/2023/0925/EMT

    G2 - Group of Plum to fell - these are in poor condition, poor form and are reaching the end of their lifespan. G3 - Group of Leyland Cypress to reduce by 3m in height as they are starting to become too large and dominate the rear corner of the garden

    6 The Orchard Welwyn Garden City AL8 7PL

    Received 2 May 2023
  21. Decided - Granted6/2020/2190/EM

    Replacement of some of existing white P.V.C.U windows and doors on front elevation. Rear elevation, bathroom and rear bedroom to be replaced. The single Georgian inserts are to be included.

    1 Edgars Court Welwyn Garden City AL7 3SR

    Received 27 Aug 2020
  22. Decided - GrantedW6/2004/1605/EM

    NEW PITCHED ROOF OVER FRONT BAY WINDOW, ALTERATIONS TO FENESTRATION INCLUDING INSERTION OF NEW ROOFLIGHTS TO FACILITATE LOFT CONVERSION

    6 The Glade, Welwyn Garden City, AL8 7LG

    Received 28 Oct 2004
  23. Decided - GrantedN6/2009/1211/FP

    PROPOSED EXTENSION TO OUTHOUSE

    189 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JA

    Received 9 Jun 2009
  24. Decided - Granted6/2020/1414/EM

    Alteration of garage door

    3 High Grove Welwyn Garden City AL8 7DW

    Received 18 Jun 2020

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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