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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - Granted6/2016/1513/LAWP

    Certificate of lawfulness for the installation of rear dormer window and hip to gable roof alterations

    60 Stonecross Road, Hatfield, AL10 0HP

    Received 26 Jul 2016
  2. Decided - GrantedS6/2005/1311/LU

    CERTIFICATE OF LAWFULNESS EXISTING USE FOR RETENTION OF AND CONTINUING USE OF THE COMPOUND, CONTRACTORS YARD AND BUILDINGS.

    LOWER WOODSIDE FARM, WOODSIDE LANE, HATFIELD, HERTFORDSHIRE, AL9 6DQ

    Received 17 Oct 2005
  3. Decided - Granted6/2019/2780/FULL

    Alterations to shop front

    21 Stonehills Welwyn Garden City AL8 6NA

    Received 4 Nov 2019
  4. Decided6/2018/3013/TPO

    Reduce line of Leyland Cypress tree by around 50% & trim sides to create more light - Conservation Area

    39 Moorlands Welwyn Garden City AL7 4PY

    Received 23 Nov 2018
  5. Decided - GrantedC6/1987/0743/CA

    Demolition of timber lean-to and replacement with brick lean-to at side

    The Hollies, West End Lane, Hatfield, AL9 6AT

    Received 1 Jan 1987
  6. Decided - GrantedS6/2013/0044/FP

    Erection of rear conservatory

    34 Tolmers Road, Cuffley, POTTERS BAR, EN6 4JF

    Received 11 Jan 2013
  7. Decided - Granted6/2018/2736/EM

    Erection of brick garage following demolition of existing timber shed

    41 Applecroft Road Welwyn Garden City AL8 6LA

    Received 22 Oct 2018
  8. Decided - Granted6/2016/2698/HOUSE

    Erection of single storey rear extension and attached garage to side, with new windows to all elevations and formation of new entrance to dwelling on front elevation following demolition of existing rear conservatory and garage to side

    55 The Meadway Cuffley Potters Bar EN6 4ET

    Received 20 Dec 2016
  9. Decided - Granted6/2016/2715/COND

    Approval of details reserved by condition 6 (Construction Method Statement - Birch Court Temporary Parking Plan ) on reserved matters application 6/2015/1901/RM.

    Queen Elizabeth II Hospital Howlands Welwyn Garden City AL7 4HQ

    Received 22 Dec 2016
  10. Appeal Decided - Allowed6/2018/2063/EM

    Replace polycarbonate conservatory roof with lightweight tiled roof

    5 Howicks Green Welwyn Garden City AL7 4RJ

    Received 8 Aug 2018
  11. Decided - Granted6/2025/1421/COND

    Submission of details pursuant to condition number 3 (Schedule of repairs and method statement) on planning permission 6/2025/0034/LB

    26 Pentley Park Welwyn Garden City AL8 7SB

    Received 4 Jul 2025
  12. Decided - Granted6/2019/0760/EM

    Erection of a single storey rear extension

    8 Summer Dale Welwyn Garden City AL8 7QJ

    Received 27 Mar 2019
  13. Decided - Refused6/2020/2733/EM

    Erection of a two storey side extension

    1 Fearnley Road Welwyn Garden City AL8 6HW

    Received 20 Oct 2020
  14. Decided6/2018/2673/TPO

    Reduce 1 x Eucalyptus tree (3) by 30 % and 1 x Maple tree (4) by 30 % covered by conservation area

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 17 Oct 2018
  15. Decided - Granted6/2025/0811/EMT

    Remove 1 x Silver Birch Remove 1 x Field Maple

    3 The Glade Welwyn Garden City AL8 7LG

    Received 29 Apr 2025
  16. Decided - Granted6/2021/2496/VAR

    Variation of condition 19 (approved plans) on planning permission 6/2016/0345/MAJ

    Highfield House Roe Green Lane Hatfield AL10 0FP

    Received 25 Aug 2021
  17. Decided - Granted6/2023/1653/LAWP

    Certificate of Lawfulness for alterations to roof to include a hip to clipped gable roof extension and construction of a rear facing dormer window in accordance with General Permitted Development) Order 2015, Schedule 2, Part 1, Class B, (Alterations and additions to roof)

    4 Reynards Road Welwyn AL6 9TP

    Received 9 Aug 2023
  18. Decided - Granted6/2021/2831/HOUSE

    Extensions to existing dwelling comprising; loft conversion including rear dormers and rooflights, erection of a single storey rear infill extension and first floor side extension and changes to existing windows and fenestration.

    22 Hawkshead Lane Hatfield AL9 7TB

    Received 1 Oct 2021
  19. Decided6/2025/1041/TC

    Neighbours 1 x oak to reduce lateral branches over bungalow and garden area by 3m up to a height of 6m. 1 x cherry to reduce by approximately 2m height and width (back to previous).

    35 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 2 Jun 2025
  20. Appeal Decided - DismissedS6/2009/1071/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION FOLLOWING REMOVAL OF EXISTING CONSERVATORY

    8 HOOK LANE, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4DA

    Received 28 May 2009
  21. Decided - RefusedN6/2004/0229/FP

    DEMOLITION OF EXISTING DWELLING AND ERECTION OF THREE DWELLINGS, COMPRISING A PAIR OF SEMI DETACHED DWELLINGS, AND A SINGLE DETACHED DWELLING, CAR PORTS AND DRIVEWAYS.

    11 Copse Hill Welwyn AL6 0RY

    Received 17 Feb 2004
  22. Decided - Granted6/2023/1220/FULL

    Change of use from sui generis to dwellinghouse (class C3) and erection of 4 new dwelling houses, with associated access, car parking, amenity space and landscaping following demolition of existing building (amended scheme)

    Land off Beehive Lane Welwyn Garden City AL7 4BW

    Received 8 Jun 2023
  23. Decided - Granted6/2023/1988/HOUSE

    Erection of single storey rear extension, raising of existing garage roof and insertion of rooflight

    35 Sherrardspark Road Welwyn Garden City AL8 7JY

    Received 27 Sept 2023
  24. Decided - GrantedS6/2005/1426/FP

    ERECTION OFSINGLE STOREY REAR EXTENSION WITH RAMPED ACCESS.

    75 The Pastures Hatfield AL10 8PF

    Received 16 Nov 2005

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

View all applications

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.

  • 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.

  • 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.

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