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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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 10 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2021/2693/TC

    Fell 1 x Hazel tree covered by conservation area

    42 Pentley Park Welwyn Garden City AL8 7SB

    Received 17 Sept 2021
  2. Decided - GrantedS6/2010/0324/DS

    DISCHARGE OF CONDITIONS,3 (MATERIALS) AND 5 (LANDSCAPING, TREES AND SURFACES) OF PLANNING PERMISSION S6/2009/2506FP

    26 CARBONE HILL, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4PN

    Received 18 Feb 2010
  3. Decided - GrantedS6/2014/1407/FP

    Erection of new dwelling and detached garage following demolition of existing dwelling and outhouses

    21 The Ridgeway, Cuffley, Potters Bar, EN6 4BB

    Received 23 Jun 2014
  4. Decided - Granted6/2016/1358/TPO

    Crown reduce Oak tree back to previous pruning points, covered by TPO 506 (2016)

    Boundary of 99 & 101 Attimore Road, Welwyn Garden City, AL8 6LG

    Received 17 Jun 2016
  5. Decided - Refused6/2023/1783/HOUSE

    Erection of a part two, part single storey side and rear extensions

    79 Knella Road Welwyn Garden City AL7 3NA

    Received 25 Aug 2023
  6. Decided - Refused6/2023/1837/LAWP

    Certificate of lawfulness to create a new dropped kerb in association with changing the front garden into a driveway and the erection of brick walls

    120 Briars Lane Hatfield AL10 8EY

    Received 4 Sept 2023
  7. Decided - RefusedS6/2007/1338/MA

    INFRASTRUCTURE ROADS FOR SUBSEQUENT RESIDENTIAL DEVELOPMENT (164 UNITS)

    Phases 3 & 4 Salisbury Village, Mosquito Way, HATFIELD, Hertfordshire, AL10 9AY

    Received 6 Sept 2007
  8. Decided - Granted6/2018/2041/EM

    Erection of single storey rear extension, installation of side window and erection of detached outbuilding

    10 Nutfield Welwyn Garden City AL7 1UL

    Received 2 Aug 2018
  9. Decided - GrantedS6/2008/0405/FP

    ERECTION OF FRONT AND SIDE SINGLE STOREY EXTENSIONS AND CONVERSION OF GARAGE TO FORM RESIDENTIAL ANNEXE

    4 HAWKSHEAD LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7TB

    Received 26 Feb 2008
  10. Decided - Granted6/2022/2180/EM

    Erection of a single storey rear extension. Erection of a single storey front extension to replace existing porch, alterations to the existing front extension, removal of secondary rear chimney and re-roofing of entire pitched roof

    57 Attimore Road Welwyn Garden City AL8 6LG

    Received 20 Sept 2022
  11. Decided - WithdrawnS6/2014/0772/FP

    Change of use from C3 (Dwellinghouses) to Sui Generis (Large HMO)

    The White House, 5 West View, Hatfield, AL10 0PJ

    Received 7 Apr 2014
  12. Decided - RefusedN6/2007/0330/LU

    CERTIFICATE OF LAWFULNESS FOR PROPOSED DORMER.

    29 Wilshere Road Welwyn AL6 9PU

    Received 28 Feb 2007
  13. Decided - Granted6/2021/1895/EMH

    Erection of single storey garden room following demolition of existing one

    29 Ethelred Close Welwyn Garden City AL7 3QF

    Received 21 Jun 2021
  14. Decided - GrantedE6/1948/0205/

    Block of 4 private garages

    12 Fordwich Road Welwyn Garden City AL8 6EY

    Received 29 Apr 1948
  15. Decided - Refused6/2020/2379/MAJ

    Use of land as an extension to the existing caravan park for the provision of an additional 25 caravans (mobile homes) together with dog walk/amenity land, car parking and landscaping

    The Firs Park Woodside Lane Hatfield AL9 6DG

    Received 8 Sept 2020
  16. Decided - Refused6/2020/1403/FULL

    Erection of 1x dwellinghouse

    Land to the North-West of 17 Rollswood Road Welwyn AL6 9TX

    Received 17 Jun 2020
  17. Decided - Granted6/2022/1858/EMT

    Reduce Lawsons Cyprus by 20% to allow more light to penetrate.

    14 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 9 Aug 2022
  18. Decided - Granted6/2019/1878/EM

    Erection of a rear shed

    57 Attimore Road Welwyn Garden City AL8 6LG

    Received 30 Jul 2019
  19. Decided - Granted6/2022/2617/HOUSE

    Erection of single storey rear extension, insertions of bifold doors and raising existing parapet to side

    20 Coneydale Welwyn Garden City AL8 7RZ

    Received 16 Nov 2022
  20. Decided - Granted6/2020/3014/TPO

    Scots Pine T2 - Remove damaged/diseased branch

    11 Heath Road Welwyn AL6 0TP

    Received 16 Nov 2020
  21. Decided - Granted6/2020/0204/EM

    Installation of flue pipe

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 24 Jan 2020
  22. Decided - Granted6/2017/1642/FULL

    Erection of 3 bedroom dwelling and single storey rear extension to existing dwelling following demolition of existing detached garage and part demolition of existing dwelling.

    58 Heron Way Hatfield AL10 8QX

    Received 26 Jul 2017
  23. Decided - RefusedW6/2006/0200/EM

    ERECTION OF TWO STOREY REAR EXTENSION

    14 Hillside, Welwyn Garden City, AL7 4PZ

    Received 15 Feb 2006
  24. Decided - Granted6/2020/1397/HOUSE

    Raising of existing garage roof to facilitate conversion of existing garage into habitable space, insertion of roof light to existing single storey rear extension's roof, erection of a first floor rear extension and detached outbuilding.

    121 The Commons Welwyn Garden City AL7 4RZ

    Received 17 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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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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