PlanningTrack
Get started

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
19,111Searchable applications
298Recorded as pending
86%Approval rate · 15,433 approved or refused records
2,149Refused applications

13,284 approved · 2,149 refused · 962 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/2413/TPO

    Reduce 1 x 70ft Oak (T1) tree by 30%. Reduce 1 x 40ft Oak (T2) by 30%. Reduce 1 x 40ft Sweet chestnut (T3) to reduce by 30%. Fell 50ft Larch (T4) to ground level.

    8 Firway Close Welwyn AL6 0RE

    Received 21 Sept 2020
  2. Decided6/2023/0225/TC

    Dismantle 1x Magnolia in sections to ground level Dismantle 2x Lawson Cypress in sections to ground level Dismantle 1x Lawson Cypress (including Rose) in sections to ground level and grind out stump to 200mm below ground level

    27 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 30 Jan 2023
  3. Decided - Granted6/2022/1043/TPO

    T2 Oak tree covered by TPO 884 to crown reduce by approximately 2.5m back to previous crown reduction points. (Amended)

    5 Leefe Way Cuffley Potters Bar Hertfordshire EN6 4DF

    Received 5 May 2022
  4. Appeal Decided - Dismissed6/2023/1771/FULL

    Erection of a three bedroom terraced dwelling with associated car parking, access and amenity space. New access and car parking for 89 Haymeads

    89 Haymeads Welwyn Garden City AL8 7AD

    Received 22 Aug 2023
  5. Decided - Granted6/2021/0234/TPO

    Hornbeams (T1, T2) prune back to previous pruning points Covered by TPO 639 (2017)

    10 Bluebells Welwyn AL6 0XD

    Received 26 Jan 2021
  6. Decided - Granted6/2021/1390/HOUSE

    Erection of a single storey side extension and a single storey rear extension, following demolition of existing conservatory

    20 Golden Dell Welwyn Garden City AL7 4EB

    Received 30 Apr 2021
  7. Decided - Granted6/2020/1693/EM

    Replacement double glazed windows and doors

    35 Moorlands Welwyn Garden City AL7 4PY

    Received 13 Jul 2020
  8. Decided - Granted6/2021/3502/HOUSE

    Erection of a single storey rear extension including the installation of a canopy with bris soleil to replace existing conservatory

    3 Handside Green Welwyn Garden City AL8 6SQ

    Received 20 Dec 2021
  9. Decided - Granted6/2021/3097/HOUSE

    Erection of single storey side/rear extension and conversion of garage to habitable use

    8 Woodland Way Welwyn AL6 0RZ

    Received 29 Oct 2021
  10. Decided - Refused6/2023/0951/TPO

    Oak T1 back of property. Remove one subordinate stem to the southern aspect of crown overhanging house and garden back to main stem. Remove one lowest primary limb the eastern aspect of the crown overhanging house. Remove one lowest primary limb the northern aspect of the crown overhanging neighbours house. Remove major deadwood throughout the entire crown. Works due to excessive shading, pigeon mess and branches close to buildings.

    9 Oak Piece Welwyn AL6 0XE

    Received 4 May 2023
  11. Decided - Refused6/2019/0816/PN3

    Prior approval for the erection of 3x agricultural buildings measuring 15.4 meters in length, 9.4m in breadth, 2.7m to eaves and 4.5 to ridge

    Land adjacent to Woodlands Coopers Lane Road Northaw Potters Bar EN6 4DJ

    Received 3 Apr 2019
  12. Decided - Granted6/2018/1492/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension, following demolition of existing rear conservatory

    5 Daffodil Close Hatfield Garden Village Hatfield AL10 9FF

    Received 4 Jun 2018
  13. Decided - Granted6/2023/2405/HOUSE

    Erection of a single storey rear extension

    38 New Park Road Newgate Street Hertford SG13 8RF

    Received 29 Nov 2023
  14. Decided6/2024/2032/TC

    T1: Pear tree to be reduced by 25-30%. T2: Hornbeam to have lateral growth over the garden side shortened back to the boundary where possible to suitable growth points. Crown radius of the tree will remain 2-3m.

    26 Guessens Road Welwyn Garden City AL8 6RA

    Received 21 Oct 2024
  15. Decided6/2019/0448/TPO

    Reduce crown of 1 x Ash tree (1) by 30%, reduce 1 x Cypress tree by 20%, fell 6 x Ash trees (2, 3, 4, 5, 6, 7) and remove dead limb of 1 x Apple tree - covered by conservation area

    12 The Orchard Welwyn Garden City AL8 7PL

    Received 27 Feb 2019
  16. Decided - Granted6/2025/1167/LAWP

    Certificate of lawfulness for the conversion of existing house to 5 person HMO

    239 Heronswood Road Welwyn Garden City AL7 3JH

    Received 11 Jun 2025
  17. Decided - Granted6/2025/0861/COND

    Submission of details pursuant to condition 2 (Travel Plan Statement) and 3 (Cycle Storage Details) on planning permission 6/2025/0156/FULL

    Units 3, 4 and 5, A1(M) Business Centre Dixons Hill Road Welham Green Hertfordshire AL9 7JE

    Received 8 May 2025
  18. Decided - Granted6/2020/1703/HOUSE

    Erection of single storey rear extension

    4 Otter Gardens Hatfield AL10 8PN

    Received 14 Jul 2020
  19. Decided - Granted6/2019/0004/EM

    Erection of single storey rear extension and installation of windows

    23 Cherry Croft Welwyn Garden City AL8 7QU

    Received 3 Jan 2019
  20. Decided - Granted6/2020/0881/HOUSE

    Erection of a single storey, part two storey rear extension and alterations to openings

    105 Ludwick Way Welwyn Garden City AL7 3PL

    Received 16 Apr 2020
  21. Decided - Granted6/2019/1737/EM

    Erection of x 1 dwelling and garage following demolition of existing buildings

    105 Attimore Road Welwyn Garden City AL8 6LG

    Received 15 Jul 2019
  22. Decided - Granted6/2026/0541/EM

    Installing a garden room (incorporating a shed)

    19 Greenfield Welwyn Garden City AL8 7HW

    Received 24 Mar 2026
  23. Decided - Withdrawn6/2018/2110/EM

    Reduce crown of 1 x Bay Laurel tree by 30%

    57 Attimore Road Welwyn Garden City AL8 6LG

    Received 10 Aug 2018
  24. Decided - Granted6/2022/1137/HOUSE

    Erection of single storey rear extension incorporating 3no. roof lights and two storey side extension - resubmission

    9 Foxley Grove Digswell Welwyn AL6 0DW

    Received 17 May 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    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.

Check collection coverage

More planning authorities in England

Browse all authorities