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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2023/2264/LAWP

    Certificate of lawfulness for loft conversion with installation of flat roof rear dormer

    13 Chelwood Avenue Hatfield AL10 0RD

    Received 8 Nov 2023
  2. Decided - RefusedS6/2008/0336/FP

    ERECTION OF PART SINGLE STOREY AND PART TWO STOREY SIDE AND REAR EXTENSIONS

    111 THE RYDE, HATFIELD, HERTS, AL9 5DP

    Received 20 Feb 2008
  3. Decided - GrantedN6/2009/0987/TC

    LOWER THE CROWN AND THIN THE CROWN OF BOTH SYCAMORE TREES IN THE REAR GARDEN BY 20%

    11 THE VALLEY GREEN, WELWYN GARDEN CITY, HERTS, AL8 7DQ

    Received 20 May 2009
  4. Decided - Granted6/2025/2047/HOUSE

    Erection of first floor side extension

    4 Flexley Wood Welwyn Garden City AL7 1NU

    Received 25 Sept 2025
  5. Decided - Refused6/2023/2301/LAWP

    Certificate of lawfulness for Internal & external alterations

    20 Danesbury Park North Ride Welwyn AL6 9SA

    Received 14 Nov 2023
  6. Decided - GrantedW6/2014/1584/TE

    Reduce Ash tree by 12ft located on boundary

    32 and 34 Colgrove, Welwyn Garden City, AL8 6HU

    Received 14 Jul 2014
  7. Decided - GrantedW6/2007/0780/EM

    ERECTION OF REAR CONSERVATORY.

    18 Beechfield Road, Welwyn Garden City, AL7 3RF

    Received 24 May 2007
  8. Decided - Granted6/2018/2192/HOUSE

    Erection of single storey front infill extension, part single part two storey side/rear extension to main house, single storey rear extension to existing double garage, conversion of double garage and alterations to openings

    7 Witchford Welwyn Garden City AL7 2PR

    Received 23 Aug 2018
  9. Decided - Granted6/2016/1044/EM

    Reduce Ash tree by 30%

    302 Knightsfield, Welwyn Garden City, AL8 7NQ

    Received 25 May 2016
  10. Decided - Granted6/2022/1625/EM

    Erection of garage

    10 Little Ganett, Welwyn Garden City, AL7 3DG

    Received 11 Jul 2022
  11. Decided - RefusedN6/2012/2679/FP

    Erection of two storey side extension and first floor rear extension

    5 Holly Road Woolmer Green Knebworth SG3 6LL

    Received 24 Dec 2012
  12. Decided - GrantedN6/2014/2632/S73A

    Variation of condition 2 (approved plans) for N6/2013/1856/FP - Part demolition of existing side extension and erection of single storey side extension, erection of two storey rear extension with roof alterations incorporating loft conversion

    11 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 3 Dec 2014
  13. Decided - RefusedS6/2004/1082/TP

    REMOVAL OF TREE 73 OF TPO 64.

    65 The Ridgeway Cuffley Potters Bar EN6 4BD

    Received 12 Jul 2004
  14. Decided - Granted6/2018/2468/EM

    Erection of a single storey side extension

    39 Beehive Lane Welwyn Garden City AL7 4BJ

    Received 26 Sept 2018
  15. Decided - Granted6/2024/0878/COND

    Submission of details pursuant of condition 4 (written scheme of measures to protect the railway) on planning permission 6/2021/2332/FULL

    Land Adjacent to 2 The Cottages Bullstag Green Hatfield AL9 5DE

    Received 9 May 2024
  16. Decided - Granted6/2024/1861/TPO

    T2 Lime tree dead, fell to ground level. TPO187 G1 and TPO 904 (2023) G1

    Isabel Hospice Head Office 99 99 Bridge Road East Welwyn Garden City AL7 1GL

    Received 27 Sept 2024
  17. Decided6/2026/1225/TC

    1 x Silver maple to reduce to by 3m in height - only the section that is in line with boundary of No.5 Furzefield, reduce lateral branches that grow towards No.5 Furzefield by 2.5m. Reducing canopy to prevent excessive overhang to surrounding neighbours

    64 Holwell Road Welwyn Garden City AL7 3RN

    Received 13 Jul 2026
  18. Decided - Granted6/2026/0436/COND

    Submission of details pursuant to condition number 4 (Landscaping scheme), on planning permission 6/2025/1228/FULL, allowed under appeal 6001316

    42 Lemsford Village Lemsford Welwyn Garden City AL8 7TR

    Received 10 Mar 2026
  19. Decided - WithdrawnW6/2008/2116/EM

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION

    101 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LG

    Received 10 Nov 2008
  20. Decided - Granted6/2019/3030/HOUSE

    Retention of summerhouse

    51 Tolmers Road Cuffley Potters Bar EN6 4JG

    Received 29 Nov 2019
  21. Decided - Refused6/2020/1104/EM

    Erection of a part single, part double storey rear extension, single storey side extension, part garage conversion, erection of front porch and insertion of one window to the original front elevation

    11 The Quadrangle Welwyn Garden City AL8 6SG

    Received 15 May 2020
  22. Decided - Granted6/2025/0602/HOUSE

    Installation of new front gates, with new hedge and addition of metal bars to existing wall

    81 Tolmers Road Cuffley Potters Bar EN6 4JJ

    Received 31 Mar 2025
  23. Appeal Decided - AllowedS6/2004/1538/FP

    VARIATION OF CONDITION 2 (S6/1998/04) TO ALLOW THE BUILDING TO BE USED FOR GENERAL OFFICE USE WITHIN USE CLASS B1(a)

    UNIT B WELLS FARM, NORTHAW ROAD EAST, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4RD

    Received 13 Oct 2004
  24. Decided6/2020/1942/TC

    Crown reduction of Hornbeam tree (T2) by 50% covered by conservation area.

    14 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 5 Aug 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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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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