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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
20,273Searchable applications
298Recorded as pending
86%Approval rate · 16,385 approved or refused records
2,306Refused applications

14,079 approved · 2,306 refused · 1,028 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/1509/TPO

    Fell 1 x Larch Larix tree (T1) and reduce crown of 1 x Malus tree (T2) by 30%

    11A Birchwood Avenue Hatfield AL10 0PL

    Received 4 Jun 2018
  2. Decided - Granted6/2021/1061/HOUSE

    Installation of 1 x velux conservation rooflight, repairs to front dormer windows, replacement window sills to front elevation, replace canopy to front door, replace front entrance steps and general repair to mortar on front elevation.

    24 Church Street Hatfield AL9 5AW

    Received 30 Mar 2021
  3. Decided - Granted6/2020/2777/HOUSE

    Demolition of existing rear garage and erection of new single storey annex

    Sherwoods West End Lane Essendon Hatfield AL9 6AU

    Received 23 Oct 2020
  4. Decided - Granted6/2020/3406/HOUSE

    Erection of a single story side extension and alterations

    5 The Shaws Welwyn Garden City AL7 2HR

    Received 21 Dec 2020
  5. Decided - Refused6/2021/3288/HOUSE

    Demolition of existing rear conservatory, detached shed and green house to facilitate the erection of a single storey side and rear extension, insertion of window to existing side elevation of front porch, and erection of 2 x car parking spaces

    43 Windsor Road Welwyn AL6 9JY

    Received 19 Nov 2021
  6. Decided6/2023/0997/TC

    T1 x Silver birch to reduce by 4m in height and 2m in width

    222 Handside Lane Welwyn Garden City AL8 6TD

    Received 10 May 2023
  7. Appeal Decided - Allowed6/2023/1289/LAWE

    Certificate of lawfulness for existing rear extension and roof extension with rear dormer

    65 Heathcote Avenue Hatfield AL10 0RQ

    Received 20 Jun 2023
  8. Decided - Granted6/2023/2283/HOUSE

    Erection of single storey rear extension, front porch and garage conversion to habitable space

    3 Worcester Road Hatfield AL10 0DU

    Received 13 Nov 2023
  9. Decided - Withdrawn6/2018/0724/LAWP

    Certificate of lawfulness for rebuild of Holwell Court Farm's outbuilding

    Holwell Court Farm Holwell Court Hatfield AL9 5RL

    Received 19 Mar 2018
  10. Decided - Granted6/2022/2303/EMT

    1 x Apple to reduce growth back to previous pruning points, approximately 2m in both height and width - to maintain size 1 x Ash to reduce by 2.5m in height and around 1.5-2m in width. Large tree between properties to maintain size 1 x Leyland cypress to dismantle in sections to ground level - Poor form, low value & blocking lots of light and restricting space. 1 x Lawson cypress to dismantle in sections to ground level - Large tree on raised bed growing close to the wall. This tree blocks out all of the afternoon sun.

    3 Old Forge Close Welwyn AL6 0SR

    Received 3 Oct 2022
  11. Under Consideration6/2025/1173/COND

    Submission of details pursuant to condition 11 (Landscape and Ecological Management Plan) on planning permission (6/2021/0516/VAR)

    Land to North East of Welwyn Garden City Panshanger Welwyn Garden City AL7 2QJ

    Received 11 Jun 2025
  12. Decided - Refused6/2025/0744/COND

    Submission of details pursuant to condition 9 (Damp Proof Course) and Condition 13 (Fire Hydrants) on planning permission 6/2022/2317/MAJ

    Videne Hawkshead Road Little Heath Potters Bar EN6 1LX

    Received 17 Apr 2025
  13. Decided - Granted6/2021/0027/HOUSE

    Erection of a single storey rear extension

    88 Moffats Lane Hatfield AL9 7RW

    Received 6 Jan 2021
  14. Decided6/2021/0568/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3.6m in height, 3m to the eaves

    East Ridge House 9A East Ridgeway Cuffley Potters Bar EN6 4AW

    Received 22 Feb 2021
  15. Decided6/2023/1708/TC

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

    7 Pitsfield Welwyn Garden City AL8 7SJ

    Received 14 Aug 2023
  16. Decided6/2021/2517/TC

    Douglas Fir (T1) to raise crown 1-2m

    84 Valley Road Welwyn Garden City AL8 7DP

    Received 27 Aug 2021
  17. Decided - Granted6/2018/1100/COND

    Submission of details pursuant to condition 4C (protection fencing to be approved) on planning permission 6/2016/2452/FULL

    2A Rollswood Road Welwyn AL6 9TX

    Received 25 Apr 2018
  18. Decided - Granted6/2022/1987/EMT

    1 x Cherry plum to remove all branches with green leaf (lower level). Lift remaining to approximately 4m above ground level

    20 Attimore Road, Welwyn Garden City, AL8 6LW

    Received 25 Aug 2022
  19. Decided - Granted6/2022/2378/EMT

    T1 Yew, T2 Hawthorn and T3 Yew reduced height by 30%

    53 Valley Road Welwyn Garden City AL8 7DH

    Received 12 Oct 2022
  20. Decided - Granted6/2018/3205/LB

    Internal alterations and creation of new external door openings to Bothies building

    The Bothies and Walled Garden, North Mymms Park, North Mymms, AL9 7TR

    Received 17 Dec 2018
  21. Decided - Refused6/2017/2935/EM

    Alteration to front elevation by cladding and replacing brickwork and paint as well as replacing door

    114 Sweet Briar Welwyn Garden City AL7 3EA

    Received 19 Dec 2017
  22. Decided - Granted6/2026/0997/HOUSE

    Erection of a single storey rear and front extensions

    67 Howicks Green Welwyn Garden City AL7 4RJ

    Received 8 Jun 2026
  23. Decided - Granted6/2023/1308/EM

    Erection of a timber gazebo with aluminium roof

    22 Crossway Welwyn Garden City AL8 7EE

    Received 22 Jun 2023
  24. Decided - Granted6/2024/0329/COND

    Submission of details pursuant to condition 16 (Noise Impact Report) on planning permission 6/2019/2431/MAJ

    Link Drive Car Park Link Drive Hatfield AL10 8TY

    Received 20 Feb 2024

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

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    Planning application documents: what to read first

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

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  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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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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