PlanningTrack
Get started

England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/1162/HOUSE

    Install timber construction and felt within new parapet walls following the removal of glass roof to conservatory

    40 Applecroft Road Welwyn Garden City AL8 6LA

    Received 30 Apr 2018
  2. Decided - Granted6/2025/0018/TPO

    TPO 566 (2016) G1 2 x Yew to cut back to clear the property by 2m horizontally and vertically

    10 The Green Welwyn AL6 9EA

    Received 6 Jan 2025
  3. Decided - RefusedS6/2007/0543/FP

    ERECTION OF DETACHED DWELLING AND RETENTION OF TWO OUTBUILDING FOLLOWING DEMOLITION OF EXISTING DWELLING,DETACHED GARAGE AND OUTBUILDING

    53 Kentish Lane Brookmans Park Hatfield AL9 6NG

    Received 2 Apr 2007
  4. Decided6/2023/1294/TC

    Pine T1 to remove the lowest lateral branches over the adjacent garage roof to create clearance

    65 Handside Lane Welwyn Garden City AL8 6SH

    Received 20 Jun 2023
  5. Decided - Granted6/2021/1214/COND

    Submission of details pursuant to condition number 6 (materials) on planning permission (6/2018/3292/MAJ)

    Land adjacent to 45 Broadwater Road Welwyn Garden City AL7 3AX

    Received 14 Apr 2021
  6. Decided - Granted6/2016/0718/HOUSE

    Erection of single storey rear extension following demolition of existing conservatory and alterations to openings

    34 Bluebell Way Hatfield AL10 9FJ

    Received 15 Apr 2016
  7. Appeal Decided - Dismissed6/2019/1381/HOUSE

    Erection of a part single, part two storey front and side extension and alterations to the roof to form a crown roof

    4 Hawkshead Lane North Mymms Hatfield AL9 7TB

    Received 10 Jun 2019
  8. Decided - Withdrawn6/2019/0120/HOUSE

    Erection of two storey side and rear extension following demolition of garage with alterations to openings

    117 Warren Way Digswell Welwyn AL6 0DL

    Received 22 Jan 2019
  9. Decided - Granted6/2024/0471/EMT

    Fell x1 dead pine tree to ground level. Tree has lost all needles and could pose risk to buildings

    1 High Grove Welwyn Garden City AL8 7DW

    Received 11 Mar 2024
  10. Decided - Granted6/2016/0051/EM

    Installation of 16no solar panels to the rear roof measuring 1640mm x 992mm x 40mm each

    38 Hyde Way, Welwyn Garden City, AL7 3AE

    Received 12 Jan 2016
  11. Decided - RefusedW6/2013/1379/EM

    Retention of solar panels to rear roof

    49 Brockswood Lane, Welwyn Garden City, AL8 7BU

    Received 3 Jul 2013
  12. Decided - GrantedS6/2012/2610/FP

    Conversion of a single detached dwelling to one semi-detached house and two self contained flats

    13-15 Northaw Road East, Cuffley, POTTERS BAR, EN6 4LU

    Received 11 Dec 2012
  13. Decided - GrantedS6/2012/2539/NM

    Non material amendment for an additional window on front elevation, enlargement to garage door, obsure glazed window to first floor side elevation and slight shift in positioning of rear windows on first floor

    23 Hanyards Lane, Cuffley, POTTERS BAR, EN6 4AT

    Received 4 Dec 2012
  14. Decided - Granted6/2020/0595/EM

    Erection of boundary wall and gate

    10 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 3 Mar 2020
  15. Decided - Granted6/2020/2560/EMT

    Fell 2 x Cherry Plums due to poor condition, fell 1 x dead Laburnum and reduce 1 x Cherrys overlong branches by 1.5m

    17 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 2 Oct 2020
  16. Decided - Granted6/2021/1354/HOUSE

    Erection of single storey rear extension

    3 Beehive Lane Welwyn Garden City AL7 4BB

    Received 27 Apr 2021
  17. Under Consultation6/2026/1843/COND

    Submission of details pursuant to condition number 4 (Site Waste Management Plan) on planning permission 6/2025/0321/MAJ

    Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

    Received 13 Oct 2026
  18. Decided - GrantedN6/2009/0261/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    34 PENTLEY PARK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7SB

    Received 9 Feb 2009
  19. Decided - Granted6/2021/3027/VAR

    Variation of condition to 1 (Approved Surface Water Drainage), 2 (Detailed Surface Water Drainage), 6 (Materials), 7 (Window Details) and 18 (Approved Plans) on planning permission 6/2019/2271/MAJ

    Bush Hall Hotel Chequers Hatfield AL9 5NT

    Received 21 Oct 2021
  20. Decided - Granted6/2021/3164/LAWP

    Certificate of lawfulness for the construction of a dormer to the rear and rooflights to the front, together with the removal of the chimney.

    62 Hollybush Lane Welwyn Garden City AL7 4JN

    Received 4 Nov 2021
  21. Decided - GrantedN6/2015/0223/FP

    Loft conversion with dormer and internal decorations

    46 London Road, Welwyn, AL6 9JA

    Received 4 Feb 2015
  22. Decided - GrantedN6/2009/1825/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION AND FRONT BAY WINDOW EXTENSION

    Hornbeams 106 Harmer Green Lane Digswell Welwyn AL6 0ET

    Received 24 Aug 2009
  23. Decided - Withdrawn6/2022/1889/OUTLINE

    Outline permission for the erection of 8 dwellings with all matters reserved, except for access.

    Land rear of 2-12 Great North Road, Oaklands, Welwyn, Hertfordshire

    Received 12 Aug 2022
  24. Decided - RefusedS6/2013/0611/LB

    Replacement bay window, new rooflight and internal alterations including lowering floor level to bay and relocating access lift

    Red Lion Hotel 88 Great North Road Hatfield AL9 5EU

    Received 22 Mar 2013

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Applications by postcode area

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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