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
39,858Searchable applications
298Recorded as pending
86%Approval rate · 33,418 approved or refused records
4,778Refused applications

28,640 approved · 4,778 refused · 2,186 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2004/1569/AD

    INTERNALLY ILLUMINATED FASCIA, PROJECTING AND SUSPENDED WINDOW SIGNS

    32 Stonehills Welwyn Garden City AL8 6PD

    Received 19 Oct 2004
  2. Decided - GrantedN6/2014/2244/OR

    Prior approval for the change of use of office building (Class B1a) to residential flats (Class C3) creating 5x two bedroom flats and 3x one bedroom flats

    Brownfields Court, 8 Brownfields, Welwyn Garden City, AL7 1AJ

    Received 10 Oct 2014
  3. Appeal Decided - DismissedS6/2007/0603/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSIONS. ROOF ENLARGEMENT INVOLVING A HIP TO GABLE ALTERATION AND NEW DORMER WINDOWS. NEW FRONT DOOR AND CANOPY

    22 Warrengate Road North Mymms Hatfield AL9 7TX

    Received 16 Apr 2007
  4. Decided - GrantedN6/2004/0644/LU

    CERTIFICATE OF LAWFULNESS FOR THE ERECTION OF ENCLOSURE OVER EXISTING SWIMMING POOL.

    11 Station Road Welham Green Hatfield AL9 7PW

    Received 4 May 2004
  5. DecidedN6/2013/1300/DS

    Discharge of conditions 3 (Materials) from planning application N6/2013/0722/FP

    Trevelyan House, Church Road, Welwyn Garden City, AL8 6NT

    Received 17 Jun 2013
  6. Decided - GrantedS6/2004/1411/FP

    ERECTION OF ONE DWELLING AND ONE REPLACEMENT DWELLING (RENEWAL OF PLANNING PERMISSION S6/2000/287/FP)

    65/67 GEORGES WOOD ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7BX

    Received 21 Sept 2004
  7. Decided - GrantedS6/2007/1687/LB

    RESTORATION (INCLUDING REPAIR, ALTERATION AND DEMOLITION) OF WALLED GARDEN AND ADJACENT BUILDINGS EXTENSION TO FORM B1(a) UNIT

    THE WALLED GARDEN, HATFIELD PARK ESTATE, HATFIELD, HERTFORDSHIRE, AL9 5NL

    Received 9 Nov 2007
  8. Decided - Refused6/2025/0859/COND

    Submission of details pursuant to condition 4 (Hard and soft landscaping), 5 (Sustainable Design Statement) on planning permission 6/2024/0042/FULL (Allowed at appeal APP/C1950/W/24/3341182)

    Brockfield Stables Homerswood Lane AL6 9AD

    Received 8 May 2025
  9. Decided - GrantedS6/2013/2496/TP

    Removal of Black Poplar covered by TPO 12 (1971)

    3 Burleigh Mead Hatfield AL9 5ED

    Received 22 Nov 2013
  10. Decided - GrantedS6/2008/0231/FP

    REPLACEMENT OF EXISTING EXTERNAL LIGHTS ON CLUBHOUSE WITH NEW WALL FIXED DOWNLIGHTS

    MILBROOK GOLF CLUB, CLUBHOUSE, CARBONE HILL, NEWGATE STREET VILLAGE, HERTFORD, HERTFORDSHIRE, SG13 8RD

    Received 7 Feb 2008
  11. Decided - GrantedW6/2013/0955/EM

    Replacement windows

    43 Bridge Road, WELWYN GARDEN CITY, AL8 6UG

    Received 10 May 2013
  12. Decided - RefusedN6/2004/1100/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION AND REAR DORMER

    53 Robbery Bottom Lane Welwyn AL6 0UL

    Received 16 Jul 2004
  13. Decided - Granted6/2018/3267/PN9

    Prior approval for change of use from Class A commercial use to 2 x one bed flats (C3)

    10 Crawford Road Hatfield AL10 0PG

    Received 20 Dec 2018
  14. Decided - Granted6/2019/1811/EM

    Reduce 1 x Cherry tree by 30% Reduce 1 x Fir tree by 30%

    135 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 23 Jul 2019
  15. Appeal Decided - DismissedN6/2007/0308/TP

    PROPOSED FELLING OF CEDAR TREE T1 COVERED BY TPO 330

    10 The Chase Welwyn AL6 0QT

    Received 26 Feb 2007
  16. Decided6/2025/1744/TC

    Two trees - Willow and Oak Whole crown reduction to 12m above ground level (to improve light penetration)

    1 The Links Welwyn Garden City AL8 7DS

    Received 18 Aug 2025
  17. Decided - Granted6/2019/0323/LAWP

    Certificate of lawfulness for the erection of single storey rear extension

    3 Chambers Grove Welwyn Garden City AL7 4FG

    Received 12 Feb 2019
  18. Decided - Granted6/2019/0434/FULL

    Erection of 5 x detached dwellings with associated landscaping and off-street parking following demolition of existing buildings

    101 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QG

    Received 26 Feb 2019
  19. Decided - Refused6/2022/0634/HOUSE

    Erection of part two storey side extension and part single storey side extension

    68 Travellers Lane Hatfield AL10 8SF

    Received 17 Mar 2022
  20. Decided - GrantedW6/2006/0169/EM

    PROPOSED PLANTING OF REPLACEMENT HEDGE

    180 Handside Lane, Welwyn Garden City, AL8 6SZ

    Received 7 Feb 2006
  21. Decided - Granted6/2020/2173/HOUSE

    Erection of first floor side extension and additional rear window following the demolition of existing conservatory

    36 Applecroft Road Welwyn Garden City AL8 6LA

    Received 26 Aug 2020
  22. Decided - WithdrawnN6/2007/1098/FP

    FIRST FLOOR REAR EXTENSION

    4 Oak Road Woolmer Green Knebworth SG3 6LS

    Received 23 Jul 2007
  23. Decided - RefusedN6/2007/0156/LB

    INSTALLATION OF BAY WINDOW

    82 Knightsfield Welwyn Garden City AL8 7HB

    Received 30 Jan 2007
  24. Decided - GrantedN6/2009/2753/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION, FOLLOWING DEMOLITION OF EXISTING CONSERVATORY

    16 DOWNFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6XR

    Received 30 Dec 2009

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

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How to search planning applications

Guides to planning records

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    Planning application documents: what to read first

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

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  • 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.

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