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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
17,572Searchable applications
298Recorded as pending
86%Approval rate · 14,164 approved or refused records
1,946Refused applications

12,218 approved · 1,946 refused · 890 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 11 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/0990/TPO

    Fell 1 x Prunus Tree. One trunk is almost dead and has already broken and the other is very rotten and may break. I intend to replace with young healthy Apple tree TPO 669 (2017)

    3 Greenways Digswell Welwyn AL6 0EE

    Received 28 May 2024
  2. Decided - Granted6/2020/1797/HOUSE

    Erection of decking to existing raised garden area

    5 Akers Court Welwyn AL6 9FF

    Received 22 Jul 2020
  3. Decided - Granted6/2022/1726/PN8

    Prior Approval for the erection of a single storey rear extension of 6 metres in depth, 2.7 metres to the eaves with a maximum height of 3 metres

    25 Birchwood Close Hatfield AL10 0PP

    Received 21 Jul 2022
  4. Decided - Granted6/2021/2226/EM

    Erection of a square, roofed pergola to the rear garden.

    34 Sherrardspark Road Welwyn Garden City AL8 7JS

    Received 23 Jul 2021
  5. Decided - Granted6/2019/0315/FULL

    Erection of two storey temporary office building to provide administration and support services to the existing RVC campus

    Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA

    Received 12 Feb 2019
  6. Decided6/2023/2185/TC

    T1 Holly/Laurel mixed hedge - Reduce by 30% in height and trim sides T2 Horse Chestnut - Reduce crown by 40% due to weak branches T3 Horse Chestnut - Reduce crown by 40% due to weak branches T4 Sycamore - Reduce crown by 30% G5 Pyracantha - Reduce by 30%

    6 Youngs Rise Welwyn Garden City AL8 6RU

    Received 26 Oct 2023
  7. Decided - Granted6/2021/2172/HOUSE

    Erection of a single storey rear extension and garage conversion

    3 Wyton Welwyn Garden City AL7 2PE

    Received 19 Jul 2021
  8. Decided - Refused6/2020/1994/PN11

    Prior approval for the change of use from B1 office to C3 residential, comprising 34 residential units.

    2 The Boulevard Welwyn Garden City AL7 1EL

    Received 7 Aug 2020
  9. Decided - Granted6/2025/0055/HOUSE

    Erection of a two storey side extension with front porch and elevation alterations

    13 The Wade Welwyn Garden City AL7 4LG

    Received 15 Jan 2025
  10. Decided - Refused6/2020/3228/HOUSE

    Erection of a single storey rear extension projecting 4.5m from the rear wall

    27 Wheatley Road Welwyn Garden City AL7 3LL

    Received 2 Dec 2020
  11. Decided - Granted6/2024/0167/LAWP

    Certificate of lawfulness to install 8 solar panels on roof

    4 Stanborough Mews Welwyn Garden City AL8 6DB

    Received 29 Jan 2024
  12. Decided - Granted6/2020/2348/EMT

    Prune 2 x Apple trees by 1.2m height & width and remove dead branches

    14 Moorend Welwyn Garden City AL7 4QL

    Received 14 Sept 2020
  13. Decided - Granted6/2026/0263/COND

    Submission of details pursuant to condition number 2 (Material details) on planning permission 6/2025/1211/LB

    23-25 Mill Lane Welwyn AL6 9EU

    Received 16 Feb 2026
  14. Decided - Split6/2022/1600/COND

    Submission of details pursuant to conditions 1 (proposed crown roof and cross-section drawing), 2 (materials) and 3 (scaled plan of both hard and soft landscape) on planning application 6/2022/0927/FULL.

    108 Tolmers Road Cuffley Potters Bar EN6 4JR

    Received 7 Jul 2022
  15. Decided - Granted6/2023/2397/HOUSE

    Erection of single storey side/rear extension with new pitched roof, front porch, installation of flue and removal of chimney stack

    16 Great North Road Welwyn Garden City AL8 7TH

    Received 28 Nov 2023
  16. Decided - Granted6/2019/2949/HOUSE

    Formation of crossover

    2A Tolmers Avenue Cuffley Potters Bar EN6 4QE

    Received 22 Nov 2019
  17. Decided - Granted6/2026/0184/FULL

    Erection of first floor rear extension

    11 Guessens Road Welwyn Garden City AL8 6QW

    Received 3 Feb 2026
  18. Decided - Granted6/2022/0316/LAWP

    Certificate of lawfulness for a loft conversion and erection of rear box dormer and two front rooflights

    7 Hurstlings Welwyn Garden City AL7 3LX

    Received 10 Feb 2022
  19. Decided - Granted6/2025/0997/COND

    Submission of details pursuant to condition 30 (Travel Plan) on planning permission 6/2021/0516/VAR

    Land at Panshanger Welwyn Garden City AL7 2QJ

    Received 28 May 2025
  20. Decided - Granted6/2025/1792/HOUSE

    Erection of a two-storey rear extension, front canopy, works to the roof to include formation of crown roof and alterations to fenestration.

    59 Northaw Road East Cuffley Potters Bar EN6 4LY

    Received 22 Aug 2025
  21. Decided - Granted6/2025/1313/EM

    Installation of hardstanding

    30 Middlefield Welwyn Garden City AL7 4DJ

    Received 23 Jun 2025
  22. Decided - Granted6/2025/1563/HOUSE

    Erection of first floor side extension, rear infill two storey extension, part garage conversion and rear patio doors

    28 Bluebells Welwyn AL6 0XD

    Received 21 Jul 2025
  23. Decided - Granted6/2021/1121/EMH

    Erection of a part single, part double storey rear extension to replace conservatory

    5 Youngs Rise Welwyn Garden City AL8 6RT

    Received 6 Apr 2021
  24. Decided - Granted6/2023/2323/EMT

    1 x Silver Birch to fell in front garden as tree is dying

    11 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 17 Nov 2023

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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