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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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/1717/HOUSE

    Erection of an outbuilding and installation of an additional rooflight over the existing kitchen roof

    145 Tolmers Road Cuffley Potters Bar EN6 4JW

    Received 12 Aug 2025
  2. Decided - GrantedS6/2015/0355/FP

    Erection of single storey front and two storey side and rear extensions

    164 Crawford Road Hatfield AL10 0PA

    Received 23 Feb 2015
  3. Decided - Granted6/2023/0769/EM

    Log cabin garden building, rear main house pergola and change rear door to window

    184 Knightsfield Welwyn Garden City AL8 7RJ

    Received 6 Apr 2023
  4. Decided - GrantedS6/2008/0690/FP

    IMPROVED ENTRANCE TO HATFIELD PARK FOR COACHES AND HGV's, WIDENING THE ACCESS FROM CHURCH LANE, FORMATION OF COACH PARKING AREA, CIRCULATION TRACKWAY AND ALL ANCILLARY WORKS

    ST AUDREYS CAR PARK, CHURCH LANE, HATFIELD, HERTFORDSHIRE, AL9 5HX

    Received 5 Apr 2008
  5. DecidedS6/2014/2594/TN

    Installation of 1x DSLAM equipment cabinet

    Swanland Road, Opp 1 Swanland Road, North Mymms, Hatfield, AL9 7TG

    Received 27 Nov 2014
  6. Decided - Granted6/2020/0580/HOUSE

    Erection of a single storey side and rear extension

    79 Puttocks Drive Welham Green Hatfield AL9 7LW

    Received 25 Feb 2020
  7. Decided - Granted6/2024/1101/EM

    Erection of a single storey rear and side extension

    8 Cole Green Lane, Welwyn Garden City, AL7 3PW

    Received 14 Jun 2024
  8. Decided - Granted6/2022/2872/HOUSE

    Erection of a two storey side extension and removal of existing garage

    59 Cecil Crescent Hatfield AL10 0HG

    Received 20 Dec 2022
  9. Appeal Decided - DismissedS6/2006/0635/FP

    ERECTION OF TWO STOREY FRONT EXTENSION FOLLOWING PART DEMOLITION OF EXISTING TWO STOREY FRONT ENTRANCE PORCH AND STAIRWELL

    FAIRFIELDS, VINEYARDS ROAD, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4PG

    Received 17 May 2006
  10. Decided - Granted6/2015/2277/VAR

    Variation of condition 1 (plans) on planning application 6/2015/1994/FULL

    Land at and to the rear of 19 Kingsmead, Hill Rise and Plough Hill Cuffley, Potters Bar, EN6 4AN

    Received 6 Nov 2015
  11. Decided - Granted6/2025/0167/HOUSE

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

    10 The Pastures Welwyn Garden City AL7 4PX

    Received 31 Jan 2025
  12. Decided - GrantedS6/2014/1181/FP

    Erection of two storey side & rear extensions, single storey side extension and front porch

    17 Mymms Drive, Brookmans Park, Hatfield, AL9 7AE

    Received 27 May 2014
  13. Decided - Refused6/2016/1611/PN11

    Prior approval for the change of use from office to residential to provide 3no two bedroom units

    17-17A Mill Lane Welwyn AL6 9EU

    Received 8 Aug 2016
  14. Decided - Granted6/2023/2151/EMT

    1 x Sycamore to dismantle in sections to ground level. This is a self set tree & now dominating the front of the property. Its growing over the house and through phone lines causing problems 1 x Beech and 1 x Goat Willow to reduce by approximately 3m in height (to below phone line), reduce width by 1.5m. These are suppressed by the Sycamore and now growing too close to the house

    17 Colgrove Welwyn Garden City AL8 6HY

    Received 23 Oct 2023
  15. Decided - Granted6/2024/2429/HOUSE

    Erection of single storey rear extension with rooflights, part garage conversion, alterations to the roof including hipped to gable roof extension and erection of first floor side extension

    10 Ellenbrook Crescent Hatfield AL10 9RP

    Received 24 Dec 2024
  16. Decided - Granted6/2026/0467/COND

    Submission of details pursuant to Condition 11 (External lighting) on planning permission 6/2024/1512/MAJ (NMA1)

    Elizabeth House Elizabeth Close Welwyn Garden City AL7 2JB

    Received 13 Mar 2026
  17. Decided - Granted6/2017/0929/LB

    Installation of timber framed rear bifold doors following the removal of existing windows and door

    24 Church Street Hatfield AL9 5AW

    Received 4 May 2017
  18. Decided - Refused6/2018/2304/FULL

    Change of use from existing retail unit (A1 use) to A2 use with the opening hours of 10:00- 18:00 Mon-Sat

    12 The Arcade Hatfield AL10 0JY

    Received 7 Sept 2018
  19. Decided - Granted6/2019/1306/EM

    Erection of a single storey rear extension

    6 Monkswood Welwyn Garden City AL8 7EP

    Received 3 Jun 2019
  20. Decided - Granted6/2024/1546/EM

    Partial demolition of garage and conversion to habitable space. Reinstatement of historic window

    12 High Grove Welwyn Garden City AL8 7DW

    Received 14 Aug 2024
  21. Decided - RefusedS6/2009/0697/MA

    RETENTION OF SHED AND KENNELS

    Pulham House Bedwell Park Cucumber Lane Essendon Hatfield AL9 6GJ

    Received 16 Apr 2009
  22. Decided - Granted6/2020/1949/HOUSE

    Erection of single storey front extension

    4 Park Close Hatfield AL9 7RS

    Received 5 Aug 2020
  23. Decided - WithdrawnW6/2007/1389/EM

    ERECTION OF WOODEN FENCE FOLLOWING REMOVAL OF BRICK WALL

    30 Autumn Grove, Welwyn Garden City, AL7 4DB

    Received 19 Sept 2007
  24. Decided - Granted6/2024/1281/HOUSE

    Erection of a single side extension with raised rear patio following demolition of existing garage and outbuilding

    21 Georges Wood Road Brookmans Park AL9 7BY

    Received 8 Jul 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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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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