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
29,094Searchable applications
307Recorded as pending
87%Approval rate · 24,126 approved or refused records
3,224Refused applications

20,902 approved · 3,224 refused · 1,548 withdrawn. Received dates in our records: 1 Nov 1999 to 13 Oct 2026. Most recent record check: 17 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/2744/HOUSE

    Installation of rear dormer, three front rooflights to facilitate the conversion of the loft to habitable space

    6 Old Farmhouse Mews Welham Green Hatfield AL9 7FA

    Received 5 Dec 2022
  2. Decided - Granted6/2017/2868/EM

    Fell of 1 x Eucalyptus tree.

    86 Lodgefield Welwyn Garden City AL7 1SE

    Received 11 Dec 2017
  3. Decided - Granted6/2021/3051/ADV

    Installation of 2x internally illuminated fascia signs

    71-73 Moors Walk Welwyn Garden City AL7 2BQ

    Received 25 Oct 2021
  4. Decided6/2025/0890/TC

    50ft English oak to reduce by 40-50%.

    4 Meadow Green Welwyn Garden City AL8 6SS

    Received 15 May 2025
  5. Decided - Refused6/2021/2201/HOUSE

    Erection of single storey rear extension

    57 Hollybush Lane Welwyn Garden City AL7 4JH

    Received 21 Jul 2021
  6. Decided - Granted6/2019/0193/EM

    Erection of two storey side ,single storey rear extensions

    90 Valley Road Welwyn Garden City AL8 7DP

    Received 30 Jan 2019
  7. Decided - Granted6/2024/2274/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3.6m in height and 2.6m to the eaves.

    127 Bishops Rise Hatfield AL10 9ES

    Received 26 Nov 2024
  8. Decided - Granted6/2020/1969/HOUSE

    Erection of single storey rear extension, garage conversion and single storey side extension, following the demolition of the existing shed

    The Coach House 60 Mill Lane Welwyn AL6 9ES

    Received 7 Aug 2020
  9. Decided - GrantedS6/2015/1344/HOUSE

    Erection of single storey side, rear and roof extension including loft conversion and internal alterations

    72 Warrengate Road North Mymms Hatfield AL9 7TY

    Received 26 Jun 2015
  10. Decided - Granted6/2020/1384/EMT

    Fell 1 x Conifer Tree

    38 Parkway Welwyn Garden City AL8 6HQ

    Received 16 Jun 2020
  11. Decided - Granted6/2017/2822/HOUSE

    Erection of single storey side & rear extension including installation of 1 lantern roof light

    56 College Lane Hatfield AL10 9PQ

    Received 4 Dec 2017
  12. Decided - Granted6/2018/2577/VAR

    Variation of condition 1 (approved drawings) on planning permission 6/2015/1588/FULL

    94 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 8 Oct 2018
  13. Decided - GrantedW6/2014/1946/EM

    Replace rear ground floor window with the same style laying brickwork to reduce the aperture size

    51 Longcroft Lane, Welwyn Garden City, AL8 6EB

    Received 2 Sept 2014
  14. Decided6/2025/1705/TC

    T1 Oak, crown reduction of approximately 3 to 4 meters on the four most prominent sections of the crown growing in the direction of the house. T2 Cherry, crown reduction of approximately 15 feet (around 4.5 meters).

    44 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 8 Aug 2025
  15. Decided - Withdrawn6/2016/0865/FULL

    Change of use from sui-generis (Large HMO for up to 8 people) to sui-generis (Large HMO for up to 19 people)

    5 West View, Hatfield, AL10 0PJ

    Received 20 Apr 2016
  16. Decided - Granted6/2017/0217/PN8

    Prior approval for erection of a single storey rear extension 4m in depth, 2.9m in height and 2.7m at the eaves

    17 Ingles Welwyn Garden City AL8 7HE

    Received 3 Feb 2017
  17. Decided - Granted6/2021/1831/HOUSE

    Partial demolition of the bungalow, erection of single-storey side and rear extension, extension of roof to form loft conversion with side dormers and alterations to the front facade, insertion of skylights

    35 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 14 Jun 2021
  18. Decided - Granted6/2025/1622/EMT

    T1 - Cherry Tree - Reduce Crown by 30%: Tree has become overgrown T2 - Cherry Tree - Remove: Off-shoot of the main cherry tree - it is poorly formed and has begun to become dangerous, with a large branch coming off recently in high winds - needs removing for safety T3 - Mixed Hedge - Remove - this is formed of 2 Leyland Cypress trees, mixed in and overgrown with 1 poorly formed and aged / damaged apple tree and 3 aged holly trees. As well as being poorly formed, it has become disproportionate in size to the garden - particularly given the size of the main cherry tree and line of mature trees and hedge running along the right flank of the garden, adjacent to The Valley Green. We intend to replace with a more suitable and proportionate hedgerow

    17 The Valley Green Welwyn Garden City AL8 7DQ

    Received 29 Jul 2025
  19. Decided - Granted6/2023/1898/FULL

    Erection of a replacement dwelling house and associated landscaping, following the demolition of the existing built form

    58 Harmer Green Lane Digswell Welwyn AL6 0AW

    Received 13 Sept 2023
  20. Decided - Granted6/2019/3012/EM

    Formation of hardstanding

    9 Monkswood Welwyn Garden City AL8 7EF

    Received 29 Nov 2019
  21. Decided - Granted6/2015/1551/TPO

    Reduce Pine tree crown by 30% and height of Lawson Cypress tree by 40%

    10 Jenning Wood Welwyn AL6 0SL

    Received 21 Jul 2015
  22. Decided6/2020/1573/TC

    Fell 1 x Hawthorn (crataegus monogyna) Fell 1 x Hazel (corylus avellana) Fell 1 x Hornbeam

    76 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 19 Jun 2020
  23. Decided6/2021/2380/TC

    Sycamore - remove

    39 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 12 Aug 2021
  24. Decided - Granted6/2022/2045/EMT

    Line of Lawson Cypress to reduce lower section to approximately 2m above ground level. Rear section (higher section) to reduce by approximately 4m in height and trim sides back - Trees are becoming too large for gardens causing large amounts of shading for neighbours.

    14 Gooseacre Welwyn Garden City AL7 4NB

    Received 2 Sept 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