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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
24,711Searchable applications
313Recorded as pending
86%Approval rate · 20,266 approved or refused records
2,802Refused applications

17,464 approved · 2,802 refused · 1,299 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2018/1398/TPO

    Reduce 2 x Conifer trees in height of 4m from branch tips & reduction in lateral branches by up to 2m - conservation area

    16 The Pastures Welwyn Garden City AL7 4PX

    Received 22 May 2018
  2. Decided - Granted6/2021/0528/TPO

    Fell 1 x Cherry tree (T1) TPO 39. Fell 2 x Silver Birch (T2 & T3) TPO 39. Fell 1 x Silver Birch (T4) TPO 636T1.

    1 Jenning Wood Welwyn AL6 0SL

    Received 17 Feb 2021
  3. Decided - Withdrawn6/2016/0994/PN3

    Prior approval for the erection of agricultural barn

    Howe Wood Farm, White Stubbs Lane, Bayford, Hertford, SG13 8QA

    Received 17 May 2016
  4. Decided - Refused6/2018/0195/FULL

    Installation of 67 x stand alone solar pv panels within the grounds of dwelling.

    94 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 22 Jan 2018
  5. Decided - Granted6/2022/0919/EM

    Erection of single storey rear extension

    65 Howlands Welwyn Garden City AL7 4RA

    Received 19 Apr 2022
  6. Decided - Granted6/2017/1348/EM

    Crown thin trees by 20% and removal of dead wood

    6 Densley Close Welwyn Garden City AL8 7JX

    Received 22 Jun 2017
  7. Decided - Granted6/2021/3320/VAR

    Variation of condition 18 (drawing numbers) on planning permission 6/2019/2782/VAR

    Plot 6000, Land adjacent to the Porsche Garage, Hatfield Avenue, Hatfield, AL10 9UA

    Received 24 Nov 2021
  8. Decided6/2022/2099/TC

    Hawthorn T1 fell tree

    10 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 8 Sept 2022
  9. Decided - Refused6/2020/0441/HOUSE

    Erection of single storey front extension to replace existing porch canopy & external cupboard

    47 Howicks Green Welwyn Garden City AL7 4RJ

    Received 17 Feb 2020
  10. Decided - Withdrawn6/2024/0725/FULL

    Erection of single dwelling following demolition of annexe, together with sub-division of garden area, parking and landscaping

    2 Digswell Hill Welwyn AL6 9AL

    Received 18 Apr 2024
  11. Decided - Granted6/2025/2281/EMT

    Reduce 3no. Leylandii (T16, T17 and T23) by 30%. Cut back lower branches to beech tree (T14) and 2no. hornbeam trees (T13 and T19) to crown lift by up to 3 metres. Remove any deadwood from T14 beech, or hornbeam trees T13 and T19.

    13 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 27 Oct 2025
  12. Decided - Granted6/2021/3382/EM

    Alterations to fenestrations on existing rear and side elevations

    63 Parkway Welwyn Garden City AL8 6JF

    Received 1 Dec 2021
  13. Decided - Granted6/2020/2518/EMT

    Reduce 1x Hawthorn by 1.5 height and width, 1x Apple to thin by 15% and reduce growth by up to 1/2 metres

    11 Mannicotts Welwyn Garden City AL8 7BW

    Received 30 Sept 2020
  14. Decided - Refused6/2025/2062/FULL

    Change of use to allow for private residential use (HMO) at purpose built student accommodation

    46a Curzon Point The Common Hatfield AL10 0LU

    Received 26 Sept 2025
  15. Decided - Granted6/2025/2292/EMT

    T1 ash - crown reduction by 1-2m from branch tips. G1 2 maple trees - crown reduction by 1-2m from branch tips. T2 cherry - crown reduction by 2-3m from branch tips. T3 Hornbeam - crown reduction by 1m from branch tips. G2 3 silver birch trees - light crown reduction by up to 1m from branch tips. T4 beech - crown reduction by up to 2m from branch tips

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 29 Oct 2025
  16. Decided - Granted6/2025/0408/PN8

    Prior approval for the erection of single storey rear extension measuring 6m in depth, 3m in height and 2.90m to the eaves

    75 Wellfield Road Hatfield AL10 0BY

    Received 4 Mar 2025
  17. Decided - Withdrawn6/2019/0472/HOUSE

    Conversion of garage to habitable space

    19 Bluebridge Avenue Brookmans Park Hatfield AL9 7RY

    Received 1 Mar 2019
  18. Decided - Granted6/2022/2754/HOUSE

    Erection of single storey side extension with external alterations following the demolition of existing garage. Internal alterations. Installation of front facing roof light. Alterations to patio/garden

    14 Wood View Cuffley Potters Bar EN6 4RE

    Received 5 Dec 2022
  19. Decided - Granted6/2023/0327/COND

    Submission of details pursuant to condition 1 (submission and implementation of remediation scheme) on planning permission 6/2019/1618/FULL

    Land and Garages at The Commons Welwyn Garden City AL7 4RW

    Received 10 Feb 2023
  20. Decided - Granted6/2018/2809/MAJ

    Erection of 41 dwellings with public open space, hard and soft landscaping and the creation of new vehicular accesses from Queens Avenue and William Close following demolition of existing buildings

    Queen Elizabeth II Hospital Nursery and MRI Centre off William Close William Close Welwyn Garden City AL7 4ER

    Received 31 Oct 2018
  21. Decided - Granted6/2019/2425/COND

    Submission of details pursuant to condition 16 (privacy screens) and 24 (hard and soft landscaping) on planning permission 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 1 Oct 2019
  22. Decided - Granted6/2022/2883/FULL

    Conversion of existing property to two self-contained flats, involving the insertion of a dormer to the front and fenestration alterations

    109 Woods Avenue Hatfield AL10 8QQ

    Received 21 Dec 2022
  23. Decided - Granted6/2017/0232/EM

    Erection of single storey rear extension and demolition of store

    95 Sweet Briar Welwyn Garden City AL7 3EB

    Received 8 Feb 2017
  24. Decided - Granted6/2016/1899/HOUSE

    Erection of two storey rear and single storey side extension

    23 Cloverfield Welwyn Garden City AL7 1EG

    Received 14 Sept 2016

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

  • Understanding planning · 13 min read

    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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