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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
24,038Searchable applications
313Recorded as pending
86%Approval rate · 19,672 approved or refused records
2,739Refused applications

16,933 approved · 2,739 refused · 1,252 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/1356/EMT

    Removal of holly bush & a reduction in hedgerow at rear of property.

    45 Sherrardspark Road Welwyn Garden City AL8 7LD

    Received 30 Jun 2025
  2. Decided - Granted6/2023/2242/FULL

    Erection of a detached one-and-a-half storey dwelling with associated landscaping and site infrastructure

    Land associated with Flint Cottage Essendon Hill Essendon Hertfordshire AL9 6AJ

    Received 6 Nov 2023
  3. Decided - Granted6/2019/1898/EM

    Reduce 1x Elm Tree by 2m

    8 The Orchard Welwyn Garden City AL8 7PL

    Received 1 Aug 2019
  4. Decided - Granted6/2021/1468/EM

    Erection of summer house.

    37 Knightsfield Welwyn Garden City AL8 7JE

    Received 10 May 2021
  5. Decided - Granted6/2017/1846/EM

    Fell 1 x Oak tree

    25 Reddings Welwyn Garden City AL8 7LA

    Received 18 Aug 2017
  6. Decided - Granted6/2019/0233/HOUSE

    Erection of a single storey front extensions to include modifications to existing porch

    75 Pine Grove Brookmans Park Hatfield AL9 7BL

    Received 4 Feb 2019
  7. Decided6/2023/2158/TC

    1 x Beech to reduce by approximately 2m height and 2m width. Dominating a large area of garden 1 x Judas to fell to ground level. Tree is declining and in poor condition

    10 Mannicotts Welwyn Garden City AL8 7BW

    Received 23 Oct 2023
  8. Decided - Granted6/2016/1090/COND

    Approval of details reserved by condition 7 (travel plan) and condition 8 (parking management plan) on planning permission 6/2015/2015/MAJ

    Trident Place, 1 Mosquito Way, Hatfield, AL10 9BW

    Received 2 Jun 2016
  9. Decided - Withdrawn6/2021/1845/EMT

    1 x Sliver Birch stem to fell to ground level

    2 Upper Shot Welwyn Garden City AL7 1RP

    Received 15 Jun 2021
  10. Appeal Decided - Dismissed6/2024/1029/OUTLINE

    Outline permission for erection of 3 storey block of 14 2-bed flats restricted for the over 55's, with semi-basement parking

    Wendover Lodge Church Street Welwyn AL6 9LR

    Received 3 Jun 2024
  11. Decided6/2019/2451/TC

    Reduce 1 x Pine tree by 30%

    1 High Grove Welwyn Garden City AL8 7DW

    Received 27 Sept 2019
  12. Decided - Granted6/2018/1359/HOUSE

    Erection of a ground floor rear extension

    6 Chedburgh Welwyn Garden City AL7 2PU

    Received 22 May 2018
  13. Decided - Granted6/2021/2919/EMT

    Crown reduction of Oak tree covered by TPO 930 (2018) T1of up to 25% to reduce excessive shading of property Crown reduction of 1 x Hornbeam of up to 25%

    4 Ashley Close, Welwyn Garden City, AL8 7LH

    Received 11 Oct 2021
  14. Decided - Granted6/2024/1215/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.5m in height and 3m to the eaves

    8 Green Lanes Hatfield AL10 9JT

    Received 28 Jun 2024
  15. Decided - Granted6/2026/0926/HOUSE

    Extension of existing residential dwelling

    The Willows Marshmoor Lane Welham Green Hatfield AL9 7HT

    Received 26 May 2026
  16. Decided - Granted6/2023/1000/EM

    Replace existing metal garage door with an automated roller shutter garage door, replace wooden bin store door with black composite door and replace existing front door with black composite door

    16 Templewood, Welwyn Garden City, AL8 7HX

    Received 10 May 2023
  17. Decided - Granted6/2016/2205/HOUSE

    Erection of two storey rear extension with part single storey rear extension, front porch and alterations to openings.

    13 Woodside Road Digswell Welwyn AL6 0DS

    Received 20 Oct 2016
  18. Decided - Granted6/2020/2640/EMT

    Fell 1 x Cherry (T1)

    78 Woodhall Lane Welwyn Garden City AL7 3TF

    Received 12 Oct 2020
  19. Appeal Decided - Dismissed6/2021/2764/PN15

    Prior approval for the installation of an 18m Phase 8 Monopole wrapround cabinet at base and associated ancillary works

    Howlands The Ryde Hatfield Hyde Welwyn Garden City AL7 4EJ

    Received 24 Sept 2021
  20. Decided - Withdrawn6/2020/1206/HOUSE

    Erection of single storey and part two storey rear extension following demolition of the conservatory

    50 Maryland Hatfield AL10 8DX

    Received 29 May 2020
  21. Decided - Refused6/2022/0840/FULL

    Change of use from a music/dance studio (Class E (d)) to a residential studio (C3) (Retrospective)

    38 Crawford Road Hatfield AL10 0PE

    Received 6 Apr 2022
  22. Decided - Granted6/2024/0539/COND

    Submission of details pursuant to condition number 2 (cycle parking), 3 (energy conservation), 4 (landscape scheme) and 5 (noise) on planning permission 6/2022/1855/FULL

    Land to the rear of 35 Skimpans Close Welham Green Hatfield AL9 7PA

    Received 19 Mar 2024
  23. Decided - Granted6/2018/0121/EM

    Fell 2 x Holly trees

    48 Valley Road Welwyn Garden City AL8 7DN

    Received 15 Jan 2018
  24. Decided - Granted6/2025/1246/HOUSE

    Erection of a single storey rear extension with rooflight

    12 Hornsfield Welwyn Garden City AL7 2DX

    Received 18 Jun 2025

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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