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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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2015/2340/HOUSE

    Erection of two storey rear extension and conservatory with modifications to existing house roof form and the addition of 2no chimney stacks

    8 Wilkins Green Lane, Hatfield, AL10 9RT

    Received 19 Nov 2015
  2. Decided - GrantedS6/2008/0502/FP

    ERECTION OF NEW DWELLING FOLLOWING DEMOLITION OF EXISTING DWELLING

    21 PINE GROVE, BROOKMANS PARK, HERTS, AL9 7BP

    Received 5 Mar 2008
  3. Decided - Granted6/2017/0313/TPO

    Crown reduce Apple (T1) Pear (T2) Cherry (T3) Apple (T4) & Plum (T5) by 25% - Conservation Area

    80 Handside Lane Welwyn Garden City AL8 6SJ

    Received 17 Feb 2017
  4. Decided - GrantedS6/2015/1024/FP

    Erection of single storey front porch

    23 Pine Grove, Hatfield, AL9 7BP

    Received 15 May 2015
  5. Decided - Granted6/2023/2207/FULL

    Erection of extensions at ground and first floor level, reconfiguration of car parking layout, and alterations to fenestration and landscaping

    Isabel Hospice Howlands Welwyn Garden City AL7 4GN

    Received 30 Oct 2023
  6. Decided - GrantedS6/2015/1142/LUE

    Certificate of lawfulness for the use as a (Class C4) House in Multiple Occupation

    10 Horsa Gardens Hatfield AL10 9GF

    Received 29 May 2015
  7. Decided - Granted6/2023/0426/FULL

    Renewal of existing kitchen extract system

    3 Maynard Place Cuffley Potters Bar Hertfordshire EN6 4JA

    Received 23 Feb 2023
  8. Decided - GrantedS6/2009/0989/LB

    DEMOLITION AND RECONSTRUCTION OF PART COLLAPSED AND UNSTABLE BOUNDARY WALL

    Red Lion Public House 88 Great North Road Hatfield AL9 5EU

    Received 22 May 2009
  9. Decided - Granted6/2020/3185/HOUSE

    Retrospective planning application for the retention of detached garage, window opening and a proposed reduction in the height of the existing roof of garage.

    6B Hill Rise Cuffley Potters Bar EN6 4EE

    Received 26 Nov 2020
  10. Decided - Withdrawn6/2023/1605/HOUSE

    Installation of a driveway with drainage channel, dropped kerb, and electric vehicle charging point

    1 Mayfield Welwyn Garden City AL8 7EL

    Received 2 Aug 2023
  11. Decided - Granted6/2016/1738/HOUSE

    Refurbishment and remodelling of garden area

    35 Mardley Avenue Welwyn AL6 0TU

    Received 24 Aug 2016
  12. Decided - Granted6/2023/0452/HOUSE

    Conversion of garage to habitable space

    8 Wheatbarn Welwyn Garden City AL7 2BN

    Received 27 Feb 2023
  13. Appeal Decided - Allowed6/2018/2849/EM

    Replacement of front door

    202 Knightsfield Welwyn Garden City AL8 7RQ

    Received 6 Nov 2018
  14. Decided - Withdrawn6/2023/0812/TPO

    Beech trees: T1 and T3 - whole crown reduction to 8m above ground level to provide sufficient clearance to property that would cause severe injury. T2 - tree stump - remaining trunk removal as is assumed dead. No replacement of tree but to grow a natural lawn, and will be planting various species of plants, shrubs, wildflowers etc to encourage wildlife into the garden, which has not been possible before due to suffocation by the sheer volume of droppage of the trees

    6 Scarff Close Welwyn Hertfordshire AL6 0SZ

    Received 17 Apr 2023
  15. Decided - RefusedS6/1974/7018/AD

    One illuminated poster unit and one illuminated box sign

    Bishops Rise Service Station, Bishops Rise, Hatfield

    Received 1 Jan 1974
  16. Decided - Withdrawn6/2017/0438/LAWP

    Certificate of lawfulness for a single storey rear extension

    18 Starling Lane Cuffley Potters Bar EN6 4JX

    Received 6 Mar 2017
  17. Decided - Granted6/2026/0710/HOUSE

    Erection of single storey rear extension

    82 Birchwood Avenue Hatfield AL10 0PS

    Received 21 Apr 2026
  18. Decided - Granted6/2017/0877/MAJ

    Erection of a modular building for the use of storage for sterile instruments and medical goods equipment, to approved private healthcare facility, reference S6/2015/1061/MA

    Plot 6000 Hatfield Avenue Hatfield Business Park Hatfield AL10 9UA

    Received 27 Apr 2017
  19. Decided - Refused6/2024/0071/HOUSE

    Erection of a part single, part double storey rear extension to replace existing rear extension, single storey side extension and conversion of existing outbuilding, raising of roof to existing garage, installation of a rear dormer window to facilitate a loft conversion. Insertion of first floor side window, installation of rooflights in existing roof

    38 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 10 Jan 2024
  20. Decided - Refused6/2026/0655/LAWP

    Certificate of lawfulness for the rendering of external walls and installation of protective capping over coping and to inside face of parapet

    Former British Aerospace Gatehouse Immediately South of Staff Mess Comet Way Hatfield AL10 0XR

    Received 13 Apr 2026
  21. Appeal Decided - DismissedN6/2013/0534/FP

    Erection of UPVC Conservatory

    64 Penn Way, WELWYN GARDEN CITY, AL7 3EF

    Received 7 Mar 2013
  22. Decided - Granted6/2017/0289/TPO

    Removal of Merryweather tree from front garden - Conservation Area - Dead & Dangerous

    65 Valley Road Welwyn Garden City AL8 7DR

    Received 23 Jan 2017
  23. Decided - Refused6/2022/0345/COND

    Submission of details pursuant to condition 4 (ground remediation measures) on planning application 6/2021/0529/VAR

    Hilltop Bishops Rise Hatfield AL10 9BZ

    Received 14 Feb 2022
  24. Decided - GrantedS6/2007/0739/FP

    INSTALLATION OF REPLACEMENT SHUTTERS TO FRONT AND REAR OF BUILDING

    10 High View Hatfield AL10 8HZ

    Received 14 May 2007

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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    Planning approval rates: how to read council statistics

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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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