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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2015/0439/FP

    Erection of single rear and side extension

    40 Furzefield Road, Welwyn Garden City, AL7 3RJ

    Received 3 Mar 2015
  2. Decided - Granted6/2017/1430/HOUSE

    Erection of two storey front extension, part single, part two storey rear extension with roof extension and installation of rear dormers

    76 Georges Wood Road Brookmans Park Hatfield AL9 7BU

    Received 30 Jun 2017
  3. Decided - Granted6/2025/2560/HOUSE

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

    37 Hollybush Lane Welwyn Garden City AL7 4JH

    Received 12 Dec 2025
  4. Decided - Granted6/2020/1505/EM

    Erection of a timber bike store and timber tool store

    34 Sherrardspark Road Welwyn Garden City AL8 7JS

    Received 25 Jun 2020
  5. Decided - Refused6/2023/1885/LAWP

    Certificate of lawfulness for extension of rear ground floor

    1 Vera Lane Digswell Welwyn AL6 0EW

    Received 11 Sept 2023
  6. Decided - Refused6/2022/0710/FULL

    Erection of new dwelling

    The Oak Tree Ellenbrook Lane Hatfield Hertfordshire AL10 9NT

    Received 25 Mar 2022
  7. Appeal Decided - Dismissed6/2024/0566/HOUSE

    Erection of a part two, part single storey side and rear extension

    31 Marsden Green Welwyn Garden City AL8 6YD

    Received 22 Mar 2024
  8. Decided - Granted6/2019/2985/EM

    Erection of single storey rear extension following demolition of existing conservatory

    95 Ludwick Way Welwyn Garden City AL7 3PL

    Received 27 Nov 2019
  9. Decided - GrantedW6/2004/0278/EM

    ERECTION OF A SIDE CONSERVATORY

    190 Handside Lane, Welwyn Garden City, AL8 6TD

    Received 24 Feb 2004
  10. Decided - Granted6/2021/1356/PN27

    Prior approval for the construction of an additional storey to facilitate the enlargement of the dwelling to a maximum of approximately 9.224m in height

    Spindlebury Cottage Ottway Walk Welwyn AL6 9AS

    Received 27 Apr 2021
  11. Decided - GrantedS6/2004/0637/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    93 Homestead Road Hatfield AL10 0QR

    Received 3 May 2004
  12. Decided - GrantedS6/2008/2450/CA

    DEMOLITON OF EXISTING CONSERVATORY AND SIDE EXTENSION

    44 HIGH ROAD, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6HW

    Received 17 Dec 2008
  13. Decided - Granted6/2016/1485/TPO

    Removal of Robinia tree - Conservation Area

    17 Coneydale, Welwyn Garden City, AL8 7RX

    Received 15 Jul 2016
  14. Decided - Refused6/2019/2814/EM

    Erection of part single, part two storey side extension with alterations to openings to include relocation of entrance door and single storey extension to garage with the installation of new garage doors

    74 Rosedale Welwyn Garden City AL7 1DR

    Received 6 Nov 2019
  15. Decided - Granted6/2017/0843/EM

    Change of use and alterations to convert double garage to home office

    1 Stanborough Mews Welwyn Garden City AL8 6DB

    Received 24 Apr 2017
  16. Appeal Decided - DismissedS6/2009/1737/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION WITH GABLE ROOF, LOFT COVERSION WITH SIDE DORMER & PARTIAL FRONT GABLE CONVERSION

    11 SOUTH DRIVE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4HP

    Received 10 Aug 2009
  17. Decided - Granted6/2021/1312/FULL

    Erection of three dwellings and associated parking following demolition of existing dwelling

    16 School Lane Welwyn AL6 9PH

    Received 23 Apr 2021
  18. Decided - Granted6/2025/0234/HOUSE

    Erection of a single storey front extension and replacement front porch

    27 Westland Drive Hatfield AL9 7UG

    Received 11 Feb 2025
  19. Decided - Granted6/2019/2298/EM

    Erection of a single storey side/rear extension, following demolition of existing conservatory and detached garage and erection of garden shed

    8 Attimore Close Welwyn Garden City AL8 6LN

    Received 16 Sept 2019
  20. Appeal Decided - DismissedW6/2013/1268/EM

    Retention of a porch

    1 Birds Close, Welwyn Garden City, AL7 4AR

    Received 14 Jun 2013
  21. Decided6/2022/1961/TC

    1 x Silver birch to reduce by approximately 30% crown volume (app 2m height & width) 1 x Cherry to reduce by approximately 20% crown volume (app 1.2m height & width)

    144 Howlands Welwyn Garden City AL7 4RG

    Received 23 Aug 2022
  22. Decided - Granted6/2016/1780/EM

    Erection of single storey rear extension following demolition of existing brick outbuilding. Formation of hardstanding and vehicle cross over with drop kerb.

    52 Springfields Welwyn Garden City AL86XN

    Received 30 Aug 2016
  23. Decided - Granted6/2022/1032/EMT

    T1 x Eucalyptus to reduce to approximately 500mm below old pruning points

    42 Turmore Dale Welwyn Garden City AL8 6HS

    Received 3 May 2022
  24. Decided - RefusedS6/2004/0993/TP

    WORK TO TREES (ASH) COVERED BY TPO 291 A1

    Glenside Vineyards Road Northaw Potters Bar EN6 4PF

    Received 30 Jun 2004

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

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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