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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 2 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/1185/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth, 4m in height and 3m to the eaves

    34 St Audreys Close Hatfield AL10 8UW

    Received 1 May 2018
  2. Decided - Granted6/2018/0783/HOUSE

    Erection of a single storey rear extension, following demolition of existing detached outbuilding

    50 Uplands Welwyn Garden City AL8 7EW

    Received 22 Mar 2018
  3. Decided - WithdrawnN6/2006/0074/FP

    CHANGE OF USE FROM AMENITY LAND TO VEHICLE HARDSTANDING

    LAND ADJACENT TO, 33 LEMSFORD VILLAGE, LEMSFORD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7TR

    Received 18 Jan 2006
  4. Decided - Granted6/2025/1042/TPO

    Oak to reduce back to previous. Approximately 2 meters height & width, not exceeding previous pruning points - Reducing to retain as a suitable size for the area as close to both side and rear neighbouring properties

    15 Mardley Wood Welwyn AL6 0UY

    Received 2 Jun 2025
  5. Decided - GrantedW6/2013/1583/EM

    Installation of solar panels on rear roof slope

    131 Boundary Lane, Welwyn Garden City, AL7 4EQ

    Received 19 Jul 2013
  6. DecidedN6/2008/1892/TC

    WORKS TO MALUS TREE.

    LAND ADJACENT TO 34 SPRINGFIELDS, WELWYN GARDEN CITY, HERTS

    Received 9 Oct 2008
  7. Decided - GrantedW6/2015/1141/EM

    Erection of a rear conservatory

    23 Knightsfield Welwyn Garden City AL8 7JE

    Received 29 May 2015
  8. Decided - Refused6/2023/1633/HOUSE

    Removal of existing hipped roof and new Dutch style hipped roof built, including raising of roof height and chimney. Two rear dormers and one side conservation roof light

    48 Attimore Road Welwyn Garden City AL8 6LP

    Received 7 Aug 2023
  9. Decided - GrantedN6/2007/0441/FP

    ERECTION OF SINGLE STOREY REAR GARAGE EXTENSION AND REAR CONSERVATORY

    5 Reddings Welwyn Garden City AL8 7LA

    Received 16 Mar 2007
  10. Decided - Withdrawn6/2025/1349/FULL

    Change of use to B8 (storage or distribution) following the demolition of existing buildings

    13 Wellfield Road Hatfield AL10 0BS

    Received 27 Jun 2025
  11. Decided - Granted6/2022/1846/HOUSE

    Erection of two storey side and rear extension

    15 Bradmore Way Brookmans Park Hertfordshire AL9 7QY

    Received 8 Aug 2022
  12. Decided - Granted6/2025/2368/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.00m in depth, 3.22m in height and 3.00m to the eaves

    17 Wilshere Road Welwyn AL6 9PU

    Received 11 Nov 2025
  13. Decided - WithdrawnS6/2004/0154/OP

    RE-DEVELOPMENT OF SITE TO PROVIDE 150 BEDROOM HOTEL, GARDEN CENTRE, PLANTAGE, BUDGET HOTEL AND RESTAURANT, (INCLUDING STAFF ACCOMODATION), UPGRADING OF ACCESS, CAR PARK AND LANDSCAPING

    LAND AT, ROE HYDE A414, HATFIELD, HERTFORDSHIRE

    Received 2 Feb 2004
  14. Decided - Granted6/2016/0418/EM

    Replacement of 2 windows to side elevation, roof light to side elevation, new bi-folding doors to rear elevation and internal alterations to kitchen

    24 Dellcott Close, Welwyn Garden City, AL8 7BD

    Received 8 Mar 2016
  15. Decided - Granted6/2024/2197/EM

    Erection of a single storey rear infill conservatory

    30 Fordwich Road Welwyn Garden City AL8 6EY

    Received 13 Nov 2024
  16. Decided - Withdrawn6/2018/0969/LAWE

    Certificate of lawfulness for use of the hot pressure washing facility on plant, machinery and vehicles.

    50 Reynards Road Welwyn AL6 9TP

    Received 12 Apr 2018
  17. Decided - Refused6/2016/0530/ADV

    Installation of 2 non-illuminated pole mounted free standing signs

    Roundabout 8, Digswell Road and Knightsfield, Welwyn Garden City, AL8 7JE

    Received 31 Mar 2016
  18. Decided - Granted6/2019/2372/HOUSE

    Erection of front porch, single storey rear extension and conversion of garage to habitable floor space

    9 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 25 Sept 2019
  19. Decided - Granted6/2025/0588/LAWP

    Certificate of lawfulness for the installation of solar panels to front roof

    38 Welwyn Hall Gardens Welwyn AL6 9LF

    Received 27 Mar 2025
  20. Decided - Granted6/2022/0223/EMT

    Hornbeam A - Reduce crown by 25% Hornbeam B and C - Coppice to 1ft above ground

    1 The Glade Welwyn Garden City AL8 7LG

    Received 1 Feb 2022
  21. Decided - GrantedW6/2014/0023/EM

    Retention of hardstanding

    37 Sandpit Road, Welwyn Garden City, AL7 3TW

    Received 8 Jan 2014
  22. Decided - Granted6/2020/1609/EMT

    Reduce Group of Field Maple Trees to approximately 7m height

    144 Boundary Lane Welwyn Garden City AL7 4DF

    Received 6 Jul 2020
  23. Decided - GrantedN6/2007/1202/FP

    REPLACEMENT OF EXISTING TIMBER CONSTRUCTED OUTBUILDING WITH BRICK AND TIMBER SINGLE STOREY CLAD OUTHOUSE

    10 BROCKETT CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BN

    Received 8 Aug 2007
  24. Decided - Granted6/2018/1133/ADV

    Installation of 1 x non-illuminated collar surround sign

    1 Bradmore Green Brookmans Park Hatfield AL9 7QW

    Received 1 May 2018

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