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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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 31 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2009/1598/DS

    DISCHARGE OF CONDITIONS 3 (ELEVATIONS OF GARAGE) AND 4 (DETAILS OF DORMER WINDOW) FROM PLANNING PERMISSION N6/2007/0568/FP

    4 Broom Hill Welwyn AL6 0SE

    Received 29 Jul 2009
  2. Decided - Refused6/2022/2836/LAWP

    Certificate of lawfulness for hip to gable roof conversion, installation of rear dormer and insertion of skylights to the front

    15 Northaw Road West Northaw Potters Bar Hertfordshire EN6 4NW

    Received 15 Dec 2022
  3. Decided - Granted6/2017/0467/COND

    Submission of details pursuant to condition 3 (Landscaping) & condition 6 (Lighting Proposals) attached to planning permission S6/2015/0179/FP dated 23/07/15

    Osborne Farm Stables Hawkshead Road Little Heath Potters Bar EN6 1LX

    Received 10 Mar 2017
  4. Decided - Granted6/2020/0849/EM

    Installation of rear solar panels

    41 Turmore Dale Welwyn Garden City AL8 6HT

    Received 7 Apr 2020
  5. Decided - GrantedS6/2014/1067/FP

    Erection of single storey rear and first floor extensions incorporating a raised roof and two side dormer windows

    23 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BY

    Received 16 May 2014
  6. Decided - Granted6/2024/1700/EMT

    Fell birch tree. No replanting

    407 Howlands Welwyn Garden City AL7 4HW

    Received 4 Sept 2024
  7. Decided - GrantedW6/2007/1188/EM

    ERECTION OF REAR CONSERVATORY, GAZEBO AND THE INSTALLATION OF TWO ROOFLIGHTS IN THE REAR OF THE ROOF

    29 Bushey Ley, Welwyn Garden City, AL7 3HB

    Received 3 Aug 2007
  8. Decided - RefusedW6/2004/1535/EM

    TWO STOREY AND PART SINGLE STOREY REAR EXTENSION AND ALTERATIONS

    38 Digswell Road, Welwyn Garden City, AL8 7PA

    Received 12 Oct 2004
  9. Decided - Granted6/2025/2152/COND

    Submission of details pursuant to condition number 16 (landscaping) on planning permission 6/2024/0105/MAJ

    Land north of The Meadway Cuffley Potters Bar EN6 4ET

    Received 9 Oct 2025
  10. Decided6/2023/1521/TC

    1 x Oak to reduce tree skirt by 2m above the roof of the building to prevent damage to the trees

    Oaklands College The Campus Welwyn Garden City AL8 6AH

    Received 20 Jul 2023
  11. Decided - Granted6/2024/1495/HOUSE

    Removal of existing tennis court enclosure and replacement with a detached swimming pool /gym building and new soft landscaping

    32 Warrengate Road North Mymms Hatfield AL9 7TX

    Received 6 Aug 2024
  12. Decided - Granted6/2021/2417/HOUSE

    Erection of single storey side and rear extension

    15 The Paddocks Welwyn Garden City AL7 2BW

    Received 17 Aug 2021
  13. Decided - Refused6/2018/2134/LAWP

    Certificate of lawfulness for partial garage conversion, erection of single storey rear extension and installation of rear dormer to facilitate loft conversion and installation of 2 x roof lights to front elevation of existing roof

    8 The Brambles Welwyn AL6 0PG

    Received 16 Aug 2018
  14. Decided - Refused6/2020/1990/PN11

    Prior notification for the change of use from office (B1A use class) to residential (C3 use class) to create no. 32 residential units.

    Everest House Sopers Road Cuffley Potters Bar EN6 4SG

    Received 29 Jul 2020
  15. Decided - GrantedW6/2013/1174/TE

    Tree works - Please see application Form schedule

    21 Roundwood Drive, WELWYN GARDEN CITY, AL8 7JZ

    Received 22 May 2013
  16. Decided - Granted6/2021/1493/HOUSE

    Erection of a single storey rear extension.

    41 London Road Welwyn AL6 9HY

    Received 11 May 2021
  17. Decided - Granted6/2015/2037/EM

    Replacement of driveway and path with block paving

    38 Colgrove, Welwyn Garden City, AL8 6HU

    Received 1 Oct 2015
  18. Decided - Granted6/2023/1703/HOUSE

    Erection of an outbuilding for ancillary use to the main dwelling

    The Lodge, 2 Northaw Place The Lodge Coopers Lane Northaw Potters Bar EN6 4NQ

    Received 14 Aug 2023
  19. Decided - Granted6/2020/3352/HOUSE

    Single storey rear extension, insertion of box dormer to East roof slope and new oak framed porch. Replacement of all windows and installation of insulated render throughout.

    71 Robbery Bottom Lane Welwyn AL6 0UL

    Received 15 Dec 2020
  20. Decided - Granted6/2025/2002/EM

    Erection of a single-storey side and rear extension to provide accessible ground floor living space following demolition of existing garage

    137 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 17 Sept 2025
  21. Decided - Granted6/2026/0881/COND

    Submission of details pursuant to condition number 1 (material samples) and 2 (approved plans) on planning permission 6/2025/2477/HOUSE

    29 The Grove Brookmans Park AL9 7RL

    Received 19 May 2026
  22. Decided - Refused6/2020/2550/HOUSE

    Loft conversion to include dormer to rear, erection of a single storey rear extension and glazed side shelter/walk-way

    27 Furzefield Road Welwyn Garden City AL7 3RL

    Received 30 Sept 2020
  23. Decided - GrantedN6/2009/1970/TC

    REMOVAL OF TWO ASH TREES T1 & T2 IN REAR GARDEN AND REDUCE THE CROWN OF T3, A CHERRY BY 20%

    130 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4RG

    Received 2 Sept 2009
  24. Decided - Granted6/2020/1229/COND

    Submission of details pursuant to condition 1 (surface water drainage scheme) on planning permission 6/2019/2204/FULL

    Cuffley Camp Outdoor Centre Carbone Hill Northaw Potters Bar EN6 4PR

    Received 2 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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