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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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/1034/EM

    Erection of single storey rear extension and part garage conversion

    34 Fordwich Road, Welwyn Garden City, AL8 6EY

    Received 24 May 2016
  2. Appeal Decided - DismissedS6/2007/1378/FP

    ERECTION OF 3 BEDROOM, TWO STOREY END OF TERRACE DWELLING, FOLLOWING DEMOLITION OF GARAGES AND CHANGE OF USE OF LAND FROM AMENITY TO RESIDENTIAL.

    Land adjacent to 2 Herneshaw Hatfield AL10 9DG

    Received 17 Sept 2007
  3. Decided - Refused6/2023/2494/FULL

    Erection of an ancillary storage shed to protect the waste-related HGVs currently stored on concrete slab

    Burnside Hertford Road Hatfield AL9 5RB

    Received 13 Dec 2023
  4. Decided - Granted6/2026/0774/HOUSE

    Erection of single storey side extension

    45 Dawley Welwyn Garden City AL7 1EA

    Received 1 May 2026
  5. Decided - Granted6/2021/0811/LAWP

    Certificate of lawfulness for a loft extension

    87 Brookside Crescent Cuffley Potters Bar EN6 4QP

    Received 12 Mar 2021
  6. Decided - GrantedS6/2007/1260/FP

    ERECTION OF A 2 STOREY REAR AND SIDE EXTENSION

    15 Bramble Road Hatfield AL10 9RZ

    Received 21 Aug 2007
  7. Decided - Granted6/2026/0742/EM

    Erection of garage/garden office following the demolition of the existing garage

    43 Brockswood Lane Welwyn Garden City AL8 7BE

    Received 27 Apr 2026
  8. Decided - Granted6/2019/3122/EM

    Fell 1x Cherry tree (T1)

    43 Sherrardspark Road Welwyn Garden City AL8 7LD

    Received 11 Dec 2019
  9. Decided - Granted6/2026/1414/EM

    Replacement of leaning back garden brick wall with a close board fence and access gate to back garden

    48 Woodhall Court Welwyn Garden City AL7 3TD

    Received 11 Aug 2026
  10. Appeal Decided - WithdrawnN6/2009/2586/FP

    ERECTION OF REPLACEMENT DWELLING AND TWO NEW DWELLING

    20 The Avenue Welwyn AL6 0PP

    Received 30 Nov 2009
  11. Decided - Granted6/2026/1009/LB

    Erection of two single storey extensions and fenestration changes to existing dairy and outbuilding

    Brocket Park, Warren Farm Marford Road Lemsford Welwyn Garden City AL8 7XG

    Received 9 Jun 2026
  12. Decided - GrantedS6/2004/0134/FP

    ERECTION OF A FIRST FLOOR REAR EXTENSION

    9 Sibthorpe Road Welham Green Hatfield AL9 7PH

    Received 28 Jan 2004
  13. Decided - Granted6/2026/1268/EM

    Addition of new roof lights, roof tile and window repairs (like for like) and new Burglar and CCTV installation.

    79 Attimore Road Welwyn Garden City AL8 6LG

    Received 20 Jul 2026
  14. Decided - Granted6/2017/2668/HOUSE

    Erection of a Single storey front extension, part single storey and first floor side extension and single storey rear extension.

    54 Dellsome Lane Welham Green Hatfield AL9 7ND

    Received 16 Nov 2017
  15. Decided - GrantedN6/2008/0737/DS

    DISCHARGE OF CONDITION 2 (BRICK SAMPLE) OF PLANNING PERMISSION N6/2006/1618/FP

    35 Sherrardspark Road, Welwyn Garden City, AL8 7JY

    Received 1 May 2008
  16. Decided - GrantedW6/2013/1382/EM

    Erection of rear summerhouse and access gate, part alterations to existing rear fence

    28 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 4 Jul 2013
  17. Decided - Granted6/2022/2879/COND

    Submission of details pursuant to condition 1 (Design and materials of staircase and guarding) on planning permission 6/2022/1956/LB

    3 Church Cottages Church Street Essendon Hatfield Hertfordshire AL9 6AS

    Received 20 Dec 2022
  18. Decided - Refused6/2024/1001/COND

    Submission of details pursuant of condition 11 (Construction Traffic Management Plan) on planning permission 6/2022/2317/MAJ

    Videne Hawkshead Road Little Heath Potters Bar EN6 1LX

    Received 29 May 2024
  19. Decided - Granted6/2020/0738/HOUSE

    Erection of single storey side/ rear extension

    20 Mardley Avenue Welwyn AL6 0UD

    Received 16 Mar 2020
  20. Decided - RefusedS6/2015/0564/FP

    Erection of first floor side extension, single storey rear extension. Enlargement of roof incorporating two sets of balconies and a rear dormer at second floor level and two balconies at first floor level. Alterations to the existing single storey rear extension to include two rooflights. Insertion of four rooflights within the front roofslope and alterations to the front fenestration.

    311 St Albans Road West, Hatfield, AL10 9RJ

    Received 17 Mar 2015
  21. Decided - Granted6/2017/2919/HOUSE

    Installation of 3 front rooflights, 3 rear dormer windows and raising of roof height to facilitate loft conversion to habitable space

    8 Mardley Hill Welwyn AL6 0TN

    Received 18 Dec 2017
  22. Decided - GrantedN6/2010/0145/FP

    ERECTION OF FIRST FLOOR FRONT EXTENSION

    6 WILLOW GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NA

    Received 27 Jan 2010
  23. Decided - RefusedS6/2008/1834/FP

    INSERTION OF BASEMENT GARAGE, ERECTION OF TWO STOREY SIDE EXTENSION, ALTERATIONS TO ROOF INCLUDING FRONT DORMER AND ERECTION OF SINGLE STOREY REAR EXTENSION WITH BALCONY

    64 GEORGES WOOD ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7BU

    Received 24 Sept 2008
  24. Decided6/2018/0458/TPO

    Reduce 1 x Silver Birch tree and 2 x Robinia Frisia trees all by 15 % - conservation area

    2 Holly Hall Court Church Street Welwyn AL6 9LH

    Received 14 Feb 2018

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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