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
25,151Searchable applications
310Recorded as pending
86%Approval rate · 20,665 approved or refused records
2,826Refused applications

17,839 approved · 2,826 refused · 1,329 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2023/0358/HOUSE

    Erection of rear infill extension with alterations to openings, first floor rear extension with insertion of rooflight to existing roof and front infill kitchen extension, under existing canopy

    29 Stag Green Avenue Hatfield Hertfordshire AL9 5EB

    Received 15 Feb 2023
  2. Decided - Refused6/2020/1828/FULL

    Erection of 2 x three storey semi-detached houses following demolition of existing detached bungalow. Revision of planning permission 6/2018/0215/FULL

    73 Pine Grove Hatfield AL9 7BL

    Received 24 Jul 2020
  3. Decided - Granted6/2016/2280/HOUSE

    Erection of part single storey & part two storey rear & side extension

    2 Archers Ride Welwyn Garden City AL7 4PS

    Received 31 Oct 2016
  4. Decided6/2018/2868/TPO

    Fell 1 x Conifer tree - conservation area

    26 Melbourne Court Welwyn Garden City AL8 6LL

    Received 6 Nov 2018
  5. Decided6/2024/0791/TC

    Crown reduction of 1 x Eucalyptus tree by 3m in height and 4m in width

    3 Fordwich Road Welwyn Garden City AL8 6EX

    Received 26 Apr 2024
  6. Decided - Refused6/2020/2757/FULL

    Erection of single dwelling following demolition of existing and erection of front gate, wall, railings and piers

    3 The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 22 Oct 2020
  7. Decided - Granted6/2021/0741/HOUSE

    Proposed two storey rear extension and internal alterations

    22 Kingsmead Cuffley Potters Bar EN6 4AN

    Received 8 Mar 2021
  8. Decided - Granted6/2017/2170/HOUSE

    Erection of two storey infill extension to side

    35 Ellenbrook Lane Hatfield AL10 9RW

    Received 25 Sept 2017
  9. Decided - Granted6/2019/1614/COND

    Submission of details pursuant to condition 1 (Materials) and 2 (Detailed Drawings) on listed building consent 6/2018/3029/LB

    Holly Frindle Cottage Coopers Lane Northaw Potters Bar EN6 4NE

    Received 2 Jul 2019
  10. Decided - Granted6/2024/0005/EMT

    T3 Honey Locust - remove the tree to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability

    48 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 2 Jan 2024
  11. Decided - Granted6/2021/2910/HOUSE

    Conversion of roof space to habitable use to include two rear dormer windows and single roof light. Erection of single storey rear extension.

    51 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 11 Oct 2021
  12. Decided6/2023/2391/TC

    50ft Ash tree to reduce by 30%

    32 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 28 Nov 2023
  13. Decided - Refused6/2016/2206/PN8

    Prior approval for a single storey rear extension measuring 8m. in depth, 3.67m. in height and 2.4m. to the eaves

    Carramore House 50 Vineyards Road Northaw Potters Bar EN6 4PD

    Received 19 Oct 2016
  14. Decided - Refused6/2019/0575/COND

    Submission of details pursuant to condition 8 (Sustainability Statement Rev) on planning permission 6/2018/1519/MAJ

    Land north of Chequersfield Welwyn Garden City

    Received 12 Mar 2019
  15. Decided - Granted6/2022/0669/HOUSE

    Erection of a single storey front extension and two storey side and rear extension.

    99 Bramble Road Hatfield Hertfordshire AL10 9SB

    Received 21 Mar 2022
  16. Decided - Granted6/2024/2336/TPO

    T1- Scot’s Pine. Reduction to lower growth point beyond tear. Removal of large diameter dead wood. Tree has been storm damaged and left with a damaged extended limb (previous inclusion) over the property. I would like to serve a 5 day notice as it is liable to snap out due to the lateral weight over the house TPO 640 G6

    2A The Drive Welwyn AL6 0TR

    Received 4 Dec 2024
  17. Decided - Granted6/2024/0029/FULL

    Installation of a mobility scooter storage unit

    24 Heather Road Welwyn Garden City AL8 6XU

    Received 4 Jan 2024
  18. Decided - Granted6/2021/2084/PN15

    Prior approval for the removal and replacement of 6no antennas. Internal upgrade of existing equipment room and associated ancillary works

    The Galleria Telecommunications Site 61149/WEH010 Comet Way Hatfield AL10 0XR

    Received 9 Jul 2021
  19. Decided6/2020/3139/TC

    SG2 - Mixed species shrubs: including Camelia, Rose, Pyracantha, Philadelphus, Escallonia, Quince, Forsythia, Spindle tree and Cotoneaster - Remove. T6 - Holly - Remove. T7 - Acer - Remove. T9 - Birch (Silver) - Remove. The tree works are proposed to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability.

    21 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 24 Nov 2020
  20. Decided - Granted6/2025/0277/EM

    Proposed hardstanding and alterations to planting

    24 Great Dell Welwyn Garden City AL8 7HY

    Received 14 Feb 2025
  21. Decided - Granted6/2017/0026/EM

    Formation of hardstanding following removal of existing hedge. Erection of single storey and part two storey rear extension with installation of 2 roof lights to rear extension and alterations to existing openings and formation of rear patio

    6 Ingles Welwyn Garden City AL8 7HL

    Received 4 Jan 2017
  22. Decided - Granted6/2019/2934/HOUSE

    Erection of a rear single storey extension and canopy

    23 Heathbrow Road Welwyn AL6 0QG

    Received 21 Nov 2019
  23. Decided6/2025/2424/TC

    Beech to reduce by 2.5m in height and 1.5 in width, it's an out grown section of hedge

    6 Sheepcote Welwyn Garden City AL7 4QD

    Received 18 Nov 2025
  24. Decided - Granted6/2021/2463/HOUSE

    Demolition of garage and erection of a single storey front and side extension

    52 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 23 Aug 2021

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