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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - RefusedW6/2014/0581/EM

    Erection of two storey & single storey rear extensions, front porch and alterations to existing outbuilding

    139 The Vineyard, Welwyn Garden City, AL8 7PX

    Received 18 Mar 2014
  2. DecidedN6/2014/1745/TC

    Cut back and reduce Ash tree to 3m

    26 Pentley Park, Welwyn Garden City, AL8 7SB

    Received 1 Aug 2014
  3. DecidedN6/2008/2026/TC

    MAINTENANCE TO OAK TREE, LIFT CROWN OF BEECH AND FIELD MAPLE TREES TO 3 METRES, REDUCE 2 X LAWSON CYPRESS TREES, REMOVE 1 X LAWSON CYPRESS TREE, REMOVE 3 X HOLLY TREES AND MAINTENANCE TO LAUREL. ALL WORKS IN REAR GARDEN.

    20 CONEYDALE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RZ

    Received 27 Oct 2008
  4. Decided - Withdrawn6/2023/0700/HOUSE

    Erection of a single storey rear extension, installation of new dormer to rear elevation and roof light to side elevation, fenestration alterations, with external and internal alterations

    8 High Road Essendon Hatfield AL9 6HW

    Received 28 Mar 2023
  5. Decided - Granted6/2023/1134/LB

    Minor internal alterations and the formation of a new door opening to the external wall

    The Red Lion 88 Great North Road Hatfield AL9 5EU

    Received 30 May 2023
  6. Decided6/2021/0221/TC

    Fell a Willow Tree

    11 Beehive Lane Welwyn Garden City AL7 4BB

    Received 25 Jan 2021
  7. Decided - Granted6/2023/0245/EMT

    1 x Oak - reduce by approximately 2m in height, and approximately 1.2m in width 1 x Holly - reduce by 3m in height - To maintain size 1 x Ash - dismantle in sections to ground level using specialist rigging techniques to lower branches in a safe manner. The tree appears to have Ash dieback along with some decay in main structural branches.

    10 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 1 Feb 2023
  8. Decided - Granted6/2018/1045/FULL

    Erection of detached two storey dwelling with detached double garage

    29 Turpins Ride Welwyn AL6 0QU

    Received 23 Apr 2018
  9. Decided - RefusedN6/2004/1639/FP

    ERECTION OF TELESCOPIC RETRACTABLE SWIMMING POOL ENCLOSURE

    Ayot Lodge Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 5 Nov 2004
  10. Decided - RefusedN6/2014/0234/FP

    Erection of ground and first floor rear extensions to include installation of roof dormers

    15 Rosecroft Lane Welwyn AL6 0UB

    Received 27 Jan 2014
  11. Decided - GrantedN6/2004/1325/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION

    155 Heronswood Road Welwyn Garden City AL7 3EL

    Received 31 Aug 2004
  12. Decided - Granted6/2024/0347/HOUSE

    Erection of single storey rear extension to facilitate an accessible bedroom with rear access. Alteration to fenestration.

    59 Handside Lane Welwyn Garden City AL8 6SH

    Received 22 Feb 2024
  13. DecidedN6/2008/1817/TE

    REMOVAL OF ASH TREE FROM REAR GARDEN

    5 THE VALLEY GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DQ

    Received 23 Sept 2008
  14. Decided - Granted6/2015/2216/LAWE

    Certificate of lawfulness for existing car servicing and maintenance

    Workshop to the rear of 34 Burrowfield, Welwyn Garden City, AL7 4SR

    Received 29 Oct 2015
  15. Decided - Granted6/2021/3236/TPO

    Fell and Treat Stump to T2, T3 and T4 Poplar Located on land in front of property

    2 Oakwell Drive Northaw Potters Bar EN6 4EZ

    Received 11 Nov 2021
  16. Decided - GrantedW6/2015/0051/EM

    Erection of single storey rear extension following demolition of existing conservatory

    21 Golden Dell, Welwyn Garden City, AL7 4EE

    Received 14 Jan 2015
  17. Decided - Refused6/2021/2126/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 3.804m in height and 3.674m to the eaves

    35 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 14 Jul 2021
  18. Decided - GrantedW6/2014/0107/TE

    Fell Eucalyptus tree to ground level and reduce Hornbeam tree by 30% and Silver Birch tree by 20%

    10 Handside Green, Welwyn Garden City, AL8 6SQ

    Received 21 Jan 2014
  19. Decided - GrantedN6/2004/1642/FP

    ERECTION OF TWO DETATCHED DWELLINGS WITH GARAGES AND CARPORTS

    15 Robbery Bottom Lane Welwyn AL6 0UL

    Received 5 Nov 2004
  20. Decided - Refused6/2020/0003/COND

    Submission pursuant to condition 1 (Construction Management Plan) on application 6/2019/1706/MAJ

    Land to the Rear of Pear Building Shire Park Kestrel Way Welwyn Garden City AL7 1GA

    Received 6 Jan 2020
  21. Decided - GrantedN6/2014/2487/TP

    Reduce Hornbeam tree by 30% covered by TPO 425

    4 The Glade, Welwyn Garden City, AL8 7LG

    Received 7 Nov 2014
  22. Decided - Split6/2021/1978/COND

    Submission of details pursuant to condition number 9 (accessible housing) on planning permission 6/2019/2430/MAJ

    1 Town Centre Hatfield AL10 0JZ

    Received 29 Jun 2021
  23. Decided - GrantedS6/2014/1198/LUP

    Certificate of lawfulness for proposed construction of a rear facing dormer

    The Laurels, Mill Green Lane, Mill Green, Hatfield, AL9 5NZ

    Received 28 May 2014
  24. Decided - Granted6/2018/2316/EM

    1 x Oak tree to prune back laterals by 3m

    13 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 10 Sept 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

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Guides to planning records

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  • 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