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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2015/1949/EM

    Reduce Goat Willow tree and Bay tree to 15ft and removal of Leylandii tree

    38 Elmwood Welwyn Garden City AL8 6LE

    Received 16 Sept 2015
  2. Decided - Granted6/2026/0462/COND

    Submission of details pursuant to condition number 3 (Materials). 4 (Hard and soft landscaping) and 6 (Bin stores) on planning permission 6/2021/1282/FULL, allowed under appeal reference APP/C1950/W/21/3279134

    45 Dixons Hill Close Welham Green Hatfield AL9 7EF

    Received 13 Mar 2026
  3. Decided - GrantedN6/2005/1207/FP

    INTERNAL AND EXTERNAL ALTERATIONS INCLUDING INSERTION OF DORMER WINDOWS IN ORDER TO FACILITATE CONVERSION OF THIRD FLOOR TO 13 FLATS, CHANGE OF USE OF FIRST FLOOR FROM OFFICES AND STORAGE TO 7 FLATS, AND PROVISION OF 10 CARPARKING SPACES

    47-51 FRETHERNE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6NS

    Received 23 Sept 2005
  4. Decided - Granted6/2023/2468/HOUSE

    Erection of single storey side extension with roof light following the demolition of the existing conservatory, insulation upgrade, replacement of cladding and roofs, partial garage conversion and fenestration alterations

    2 Fern Grove Welwyn Garden City AL8 7ND

    Received 8 Dec 2023
  5. Decided - Granted6/2016/0204/HOUSE

    Replacement of existing conservatory

    22 Leysdown, Welwyn Garden City, AL7 2PY

    Received 8 Feb 2016
  6. Decided - Granted6/2020/0937/EM

    Erection of a single storey rear extension

    1 Dayemead Welwyn Garden City AL7 4RX

    Received 27 Apr 2020
  7. Decided - WithdrawnS6/2007/1276/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    FAIRFIELD, VINEYARDS ROAD, NORTHAW, POTTERS BAR, HERTS, EN6 4PG

    Received 22 Aug 2007
  8. Decided - GrantedN6/2013/1498/FP

    Removal of 4.5m length of wall, and reinstate alongside barn to allow access

    The Manor House, Hill Farm Lane, Ayot St Lawrence, Welwyn, AL6 9BP

    Received 11 Jul 2013
  9. Decided - Granted6/2017/2851/HOUSE

    Erection of single storey front extension

    109 Newgate Street Village Hertford SG13 8QR

    Received 7 Dec 2017
  10. Decided - Granted6/2026/0780/TPO

    Sweet Chestnut tree: under TPO 534, marked as T2 Remove Tree as it's technically dead (assessed by Ashley Grey of Ashley Trees)

    8 Oak Piece Welwyn AL6 0XE

    Received 5 May 2026
  11. Decided - GrantedS6/2004/0191/FP

    ERECTION OF DETACHED REAR GARDEN STORE

    128 Moffats Lane Brookmans Park Hatfield AL9 7RW

    Received 9 Feb 2004
  12. Decided - Granted6/2021/1935/HOUSE

    Erection of a two storey side extension and internal alterations, new loft conversion and alterations to existing rear extension

    4 Georges Wood Road Brookmans Park Hatfield AL9 7BZ

    Received 25 Jun 2021
  13. Decided - GrantedW6/2013/0776/EM

    Erection of lean to on rear elevation

    117 Daniells, WELWYN GARDEN CITY, AL7 1QT

    Received 3 Apr 2013
  14. Decided - GrantedN6/2013/0186/FP

    Erection of rear PVCU conservatory

    107 Parkway, WELWYN GARDEN CITY, AL8 6JD

    Received 28 Jan 2013
  15. Decided - GrantedN6/2015/0284/TC

    Reduce 2 Hornbeam trees by 6m

    29 Elm Gardens, Welwyn Garden City, AL8 6RX

    Received 12 Feb 2015
  16. Decided - Granted6/2018/2379/TPO

    Reduce 1x Hornbeam (T5) covered by TPO 711(2017) by approx. 2 metres and thin by 30%

    3 Juniper Gardens Welwyn AL6 0XH

    Received 17 Sept 2018
  17. Decided6/2026/0144/TC

    TI-Holly tree- To fell to stump level as the tree is dying. T4-Holm Oak- To crown reduce by 3 metres

    St Marys Church Church Hall Church Street Welwyn AL6 9LX

    Received 28 Jan 2026
  18. Decided - GrantedN6/2005/1269/FP

    RETROSPECTIVE APPLICATION FOR RETENTION OF 2 PORTACABINS. FOR USE AS STORAGE AND ART ROOM.

    Ludwick Family Club Hall Grove Welwyn Garden City AL7 4PH

    Received 10 Oct 2005
  19. Decided - Granted6/2025/2249/EM

    Erection of single storey side extension, part single storey rear and two storey rear extension, construction of new bay window following demolition of conservatory and garage

    143 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 23 Oct 2025
  20. Under Consideration6/2026/1434/FULL

    Erection of two-storey block of 4 x 2 bedroom apartments with parking and landscaped gardens following the demolition of existing bungalow

    Heathfield Lodge Great North Road Little Heath Potters Bar EN6 1JD

    Received 13 Aug 2026
  21. Decided6/2018/0034/RW

    Addition of public footpath

    Backhouse Wood, Essendon

    Received 18 Dec 2017
  22. Decided - GrantedN6/2013/2330/FP

    Erection of two storey side extension following demolition of detached garage and erection of single storey rear extension following demolition of conservatory

    10 Foxley Grove Digswell Welwyn AL6 0DW

    Received 7 Nov 2013
  23. Appeal Decided - Dismissed6/2024/2423/LAWE

    Certificate of Lawfulness for use as an existing HMO

    37 Aviation Avenue Hatfield AL10 9UB

    Received 23 Dec 2024
  24. Decided - Granted6/2026/0239/COND

    Submission of details pursuant to condition 1 (method statement) on planning application 6/2025/2116/HOUSE

    9 Juniper Gardens Welwyn AL6 0XH

    Received 11 Feb 2026

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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How to search planning applications

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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