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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
22,316Searchable applications
295Recorded as pending
86%Approval rate · 18,133 approved or refused records
2,567Refused applications

15,566 approved · 2,567 refused · 1,150 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/2245/EM

    Reduce 1 x Cypress tree by 4-5m height and 2m width

    19 Great Ganett Welwyn Garden City AL7 3DA

    Received 10 Sept 2019
  2. Decided - Refused6/2023/0238/HOUSE

    Erection of a single storey front extension

    2 The Beeches Welwyn AL6 9LE

    Received 31 Jan 2023
  3. Decided - Granted6/2020/3109/LB

    Formation of service hole in the basement for a new incoming electrical supply with external fence panel.

    The Rose And Crown 14 Church Street Welwyn AL6 9LX

    Received 23 Nov 2020
  4. Decided - Granted6/2022/2356/FULL

    Erection of dwelling following demolition of outbuilding

    6 Ross Close Hatfield AL10 0QT

    Received 10 Oct 2022
  5. Decided - Granted6/2019/1070/EM

    Erection of a ground floor extension and garage conversion

    1 Four Acres Welwyn Garden City AL7 4NW

    Received 3 May 2019
  6. Decided - Withdrawn6/2016/1873/LB

    Erection of a single storey side extension

    North Lodge, Holwell Court, Hatfield, AL9 5RL

    Received 13 Sept 2016
  7. Decided - Granted6/2023/0256/LAWP

    Certificate of lawfulness for construction of storm water soakaway from existing extension

    35 Veritys Hatfield AL10 8HH

    Received 2 Feb 2023
  8. Decided - Split6/2023/2212/COND

    Submission of details pursuant to condition number 3 (Cycle Storage) & 4 (Refuse) on appeal decision APP/C1950/W/22/3312790 (6/2022/1113/FULL)

    55 Cherry Way Hatfield AL10 8LF

    Received 31 Oct 2023
  9. Decided - Granted6/2022/0472/HOUSE

    Erection of first floor side extension over part of existing garage, replacement of existing utility door with a window to match existing and change to white painted render external materials, demolish existing conservatory

    Farmleigh Berkhamsted Lane Essendon Hatfield AL9 6JS

    Received 28 Feb 2022
  10. Decided - Granted6/2020/0230/COND

    Submission of details pursuant to conditon 3 (materials) on planning permission 6/2019/0585/FULL

    Stanborough School Lemsford Lane Welwyn Garden City AL8 6YR

    Received 28 Jan 2020
  11. Decided - Refused6/2023/1540/COND

    Submission of details pursuant to condition number 3 (Works in Proximity to the Operational Railway Environment), on planning permission 6/2022/1774/RM

    Land to the north east of King George V Playing Fields Northaw Road East Cuffley Potters Bar EN6 4RD

    Received 24 Jul 2023
  12. Decided - Granted6/2023/1435/COND

    Submission of details pursuant to condition 3 (details of proposed crown roof) on planning permission 6/2023/0498/HOUSE

    131 Tolmers Road Cuffley Potters Bar EN6 4JW

    Received 11 Jul 2023
  13. Decided - Refused6/2017/0254/HOUSE

    Erection of single storey side and rear extension, following partial demolition of existing garage

    4 Pleasant Rise Hatfield AL9 5DS

    Received 13 Feb 2017
  14. Decided - Granted6/2020/1623/COND

    Submission of details pursuant to condition 7 (Soft landscaping details) on planning permission 6/2018/2552/FULL (APP/C1950/W/19/3230504)

    Maynard House The Common Hatfield AL10 0NF

    Received 7 Jul 2020
  15. Decided - Granted6/2024/0634/LAWP

    Certificate of lawfulness for the erection of two storey rear extension

    Holwell Hyde Cottage Holwell Hyde Lane Welwyn Garden City AL7 4AA

    Received 3 Apr 2024
  16. Decided6/2021/2376/TC

    Crown reduce 1 x eucalyptus tree by 3m

    9 Attimore Close Welwyn Garden City AL8 6LN

    Received 11 Aug 2021
  17. Decided - Granted6/2020/2267/TPO

    Remove dead wood and crossing/rubbing branches from Oak trees T4, T5 , T6 and T7.

    St Martin De Porres 4 Church Close Cuffley Potters Bar EN6 4LS

    Received 3 Sept 2020
  18. Decided - Granted6/2019/3126/COND

    Submission of details pursuant to condition 1 (sample of materials) and 3 (construction method statement) on planning permission 6/2019/1862/FULL

    10 Woodland Way Welwyn AL6 0RZ

    Received 11 Dec 2019
  19. Decided - Granted6/2017/1761/EM

    Erection of single storey front, side and rear extensions, first floor side extension, installation of front canopy, bay window to rear elevation, dormer window and 2 rooflights to loft to include internal alterations plus removal of fence to front garden

    30A High Oaks Road Welwyn Garden City AL8 7BH

    Received 10 Aug 2017
  20. Decided - Granted6/2021/3208/PN8

    Prior approval for single storey rear extension, 6m in depth, 3m in height, and 2.9m to the eaves.

    23 Crawford Road Hatfield AL10 0PF

    Received 9 Nov 2021
  21. Decided - Granted6/2017/1821/FULL

    Conversion and extension of detached garage to form ancillary living accommodation in connection with the main house.

    1 Sherrards Mansion Rectory Road Welwyn Garden City AL8 7AY

    Received 16 Aug 2017
  22. Decided - Granted6/2019/0483/LAWP

    Certificate of lawfulness for the Installation of a new dormer to rear roof slope

    31 Hillside Way Welwyn AL6 0TY

    Received 4 Mar 2019
  23. Decided - Withdrawn6/2019/2872/HOUSE

    Installation of roof lights to and alterations to fenestration

    124 Parkway Welwyn Garden City AL8 6HN

    Received 14 Nov 2019
  24. Decided - Granted6/2022/0026/EM

    Erection of a single storey side/rear extension and raised patio area with alterations to openings

    19 Brockswood Lane Welwyn Garden City AL8 7BE

    Received 5 Jan 2022

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

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

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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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    Published Updated

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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