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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2014/1452/S73A

    Variation of condition 2 (plans) of planning permission N6/2012/0210/S73B

    63 Carleton Rise Welwyn AL6 9RQ

    Received 1 Jul 2014
  2. Decided - Granted6/2015/1752/HOUSE

    Erection of a single storey rear extension

    3 Beauchamps Welwyn Garden City AL7 1FG

    Received 18 Aug 2015
  3. Appeal Decided - AllowedC6/1988/0821/LB

    Single storey side extension

    13 Holwell Court Hatfield AL9 5RL

    Received 1 Jan 1988
  4. Decided - Granted6/2019/2472/COND

    Submission of details pursuant to condition 3 (remediation scheme) on planning permission 6/2018/2943/MAJ

    Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA

    Received 4 Oct 2019
  5. Decided - Granted6/2016/0125/EM

    To rebuild an existing brick and timber, pitched roof shed.

    20 Walden Road, Welwyn Garden City, AL8 7PF

    Received 25 Jan 2016
  6. Decided - Granted6/2024/2426/LAWP

    Certificate of lawfulness for the erection of a single storey outbuilding to rear of existing property

    14 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 23 Dec 2024
  7. Decided6/2023/1811/TC

    Reduce 1 x Hornbeam to 1.5m above ground level

    17 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 30 Aug 2023
  8. Decided - GrantedS6/2014/2394/FP

    Alterations to rear elevation, infill section between house and garage removing separating walls to form one room, extending forwards and construction of new garage

    20 Tolmers Avenue, Cuffley, Potters Bar, EN6 4QA

    Received 29 Oct 2014
  9. Decided - Granted6/2015/1910/EM

    Erection of wooden outbuilding (hobby room) to replace 1 x existing shed and relocation of additional shed

    24 Parkfields, Welwyn Garden City, AL8 6ED

    Received 8 Sept 2015
  10. Decided - GrantedW6/2009/1117/EM

    ERECTION OF NEW SHED TO REPLACE EXISTING

    69 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JE

    Received 1 Jun 2009
  11. Decided6/2023/0749/TC

    1 x Eucalyptus to fell to ground level. 1 x Crab apple to reduce by 1m height & width

    7 Fore Street Hatfield AL9 5AN

    Received 4 Apr 2023
  12. Decided6/2022/1917/TC

    Removal of tree to ground level. Tree species unknown. located at w3w ///upgrading.tops.sing

    40 Springfields Welwyn Garden City Hertfordshire AL8 6XN

    Received 16 Aug 2022
  13. Decided - Granted6/2016/1733/HOUSE

    Erection of single storey side and rear extension

    38 Woodhall Court, Welwyn Garden City, AL7 3TD

    Received 19 Aug 2016
  14. Decided - Granted6/2022/1795/HOUSE

    Erection of front porch, 2x two storey side extensions, reduction in ridge height and insertion of two front facing dormer windows

    133 The Ridgeway Cuffley Potters Bar Hertfordshire EN6 4BG

    Received 1 Aug 2022
  15. Decided - Withdrawn6/2021/1842/LAWP

    Certificate of lawfulness for change of use from offices (old Class B1, now Class E(g)) to children's day nursery (Class E(f)).

    22 Parkway Welwyn Garden City AL8 6HG

    Received 15 Jun 2021
  16. Decided - GrantedN6/2007/1647/FP

    ERECTION OF A REAR AND SIDE CONSERVATORY

    53 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4RA

    Received 5 Nov 2007
  17. Decided - RefusedN6/2008/1894/FP

    CHANGE OF USE OF AGRICULTURAL LAND FOR THE KEEPING OF HORSES FOR RECREATIONAL PURPOSES INCLUDING THE ERECTION OF A STABLE BLOCK AND FORMATION OF HARDSTANDING

    Land adjacent to 15 Mardleybury Road Woolmer Green Knebworth SG3 6SG

    Received 7 Oct 2008
  18. Decided - Refused6/2026/0608/HOUSE

    Erection of a single storey rear extension.

    24 Garden Avenue Hatfield AL10 8LN

    Received 7 Apr 2026
  19. Decided - RefusedS6/2009/2678/EI

    EIA SCOPING REQUEST

    HATFIELD TOWN CENTRE EAST, HATFIELD, HERTFORDSHIRE

    Received 22 Dec 2009
  20. DecidedN6/2008/1906/TC

    WORKS TO ACER TREE.

    LAND ADJACENT TO 26 BARLEYCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE

    Received 9 Oct 2008
  21. Decided - Granted6/2026/0283/FULL

    Installation of aluminium gazebo to existing outdoor seating area

    Red Lion Hotel 88 Great North Road Hatfield AL9 5EU

    Received 19 Feb 2026
  22. Decided - Granted6/2022/1910/LB

    Change of use of shared staff overnight accommodation to self-contained staff accommodation comprising 2 No. 1 bed units and 2 No. studio units and alterations to fenestrations

    North Mymms Park Crosbys Cottage Tollgate Road North Mymms Hatfield AL9 7TR

    Received 16 Aug 2022
  23. Decided - Granted6/2023/1312/COND

    Submission of details pursuant to condition 1 (cycle parking) on planning permission 6/2023/0259/HOUSE

    8 Breaks Road Hatfield AL10 8TR

    Received 22 Jun 2023
  24. Decided - Granted6/2017/0552/TPO

    Reduce two Hornbeam trees and one Oak tree by 20% covered by TPO 53 (1980)

    1 Bluebells Welwyn AL6 0XD

    Received 13 Mar 2017

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

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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