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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
35,025Searchable applications
313Recorded as pending
87%Approval rate · 29,167 approved or refused records
3,894Refused applications

25,273 approved · 3,894 refused · 1,825 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/0116/DS

    Discharge of condition 3 (Materials) from planning permission N6/2012/1600/FP

    22 Ayot Green, Ayot St Peter, WELWYN, AL6 9AB

    Received 17 Jan 2013
  2. Decided - Granted6/2017/0768/COND

    Approval of details reserved by condition 15 (Green Travel Plan) & condition 17 (Details regarding odour control for the kitchen exhaust system) on planning permission S6/2015/1061/MA

    Plot 6000, Hatfield Avenue, Hatfield Business Park, Hatfield, AL10 9UA

    Received 18 Apr 2017
  3. Decided - GrantedN6/2013/0431/TC

    Fell Lime tree and Eucalyptus tree located in rear garden

    15 Stanborough Close, WELWYN GARDEN CITY, AL8 6XB

    Received 28 Feb 2013
  4. Decided - Granted6/2016/0977/TPO

    Reduce and shape crowns plus prune out dead wood on two Ash trees, T1 & T2, reduce Oak tree T3 overhang by 3m. Removal of Sophora tree T4 and reduce Walnut tree T8 by 2m - Conservation Area

    34 High Oaks Road, Welwyn Garden City, AL8 7BH

    Received 18 May 2016
  5. Decided - Granted6/2024/0821/EMT

    Reduce 1 x Cherry to ground level

    15 The Old Drive, Welwyn Garden City, AL8 6TB

    Received 1 May 2024
  6. Decided - GrantedC6/1988/0773/FP

    New shop front

    9 Shoplands, Welwyn Garden City, AL8 7RH

    Received 1 Jan 1988
  7. Decided - Granted6/2025/1016/COND

    Submission of details pursuant of condition 12 (Works in Proximity to the Operational Railway Environment) on planning permission 6/2024/0105/MAJ

    Land north of The Meadway Cuffley Potters Bar EN6 4ET

    Received 29 May 2025
  8. Decided - Granted6/2022/2671/LAWP

    Certificate of lawfulness for the erection of a single storey side extension

    23 Stag Green Avenue Hatfield AL9 5EB

    Received 23 Nov 2022
  9. Decided - Granted6/2017/2205/HOUSE

    Erection of single storey side and rear extensions following demolition of existing extension

    36 Parsonage Lane Welham Green Hatfield AL9 7LU

    Received 28 Sept 2017
  10. Decided - Granted6/2021/3099/HOUSE

    Erection of a single storey side/rear extension with raised decking area involving demolition of existing single storey side extension

    65 Lemsford Lane Welwyn Garden City AL8 6YN

    Received 29 Oct 2021
  11. Appeal Decided - Dismissed6/2025/0476/FULL

    Erection of replacement 4-bed detached dwelling, with retention of replacement dropped kerb

    108 Tolmers Road Cuffley Potters Bar EN6 4JR

    Received 14 Mar 2025
  12. Decided - Granted6/2022/0576/EMH

    Installation of external wall insulation - 50mm Kooltherm K5 External Wall Board.

    6 Handside Close Welwyn Garden City AL8 6SR

    Received 11 Mar 2022
  13. Decided - Withdrawn6/2025/0076/LAWP

    Certificate of lawfulness for installation of 8 solar panels

    43 Fordwich Road Welwyn Garden City AL8 6EY

    Received 20 Jan 2025
  14. Decided - RefusedW6/2009/1381/EM

    ERECTION OF FRONT PORCH

    20 LODGE FIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1SD

    Received 1 Jul 2009
  15. Decided - Withdrawn6/2026/1188/TC

    REAR GARDEN T1 Weeping Willow (Salix Babylonica) Reduce stem with swing on it, to about 1 foot above swing frame cut out section. Pollard remaining tree. Final height = 4m and final spread = 2m. Removing approx 2m of pendulous growth

    23 Warwick Avenue Cuffley Potters Bar EN6 4RS

    Received 8 Jul 2026
  16. Decided - Granted6/2017/1927/HOUSE

    Installation of 3 x timber and 3 x rooflight windows to facilitate conversion of double garage into a bedroom with ensuite, and alterations to openings.

    1 Vineyards Road Northaw Potters Bar EN6 4NZ

    Received 28 Aug 2017
  17. Decided - Withdrawn6/2025/1506/TPO

    T3 Oak tree, works to remove deadwood. TPO 889 (2022)

    35 Peplins Way Brookmans Park AL9 7UR

    Received 11 Jul 2025
  18. Decided - GrantedN6/2008/1075/FP

    ERECTION OF REPLACEMENT BOUNDARY WALL AND GATE

    24 Mill Lane Welwyn AL6 9ET

    Received 3 Jul 2008
  19. Decided - Granted6/2018/2280/VAR

    Variation of condition 6 (approved drawings) on planning permission 6/2018/0528/HOUSE, dated 11/06/2018

    31A Station Road Welham Green Hatfield AL9 7PQ

    Received 6 Sept 2018
  20. Decided - Granted6/2017/2310/HOUSE

    Erection of conservatory to rear and installation of roof lantern

    25 The Grove Brookmans Park Hatfield AL9 7RL

    Received 9 Oct 2017
  21. Decided - Granted6/2020/2843/EMT

    Line of Leyland Cypress to reduce by 3m height. Trim sides back by 0.3m

    31 Coltsfoot Welwyn Garden City AL7 3HZ

    Received 29 Oct 2020
  22. Decided - Granted6/2023/1691/EMT

    Fell 1 x Maple tree to replace with an ornamental cherry tree (Prunus "Pink Perfection")

    7 Pitsfield Welwyn Garden City AL8 7SJ

    Received 11 Aug 2023
  23. Decided - Granted6/2021/3404/TPO

    Retrospective: 1 x hornbeam to crown lift to clear 3m to improve visual displays and to reshape and prune the tree, reducing the crown by approximately 20%. Covered by TPO 515 (2016) A2

    Kellard House London Road SG3 6FP

    Received 3 Dec 2021
  24. Decided - Granted6/2021/1578/HOUSE

    Erection of a single storey rear extension following demolition of existing conservatory; garage conversion and first floor extension over existing garage including front dormer

    3 Buttercup Close Hatfield AL10 9FH

    Received 18 May 2021

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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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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