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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - Granted6/2025/2215/EMT

    6 lime trees to reduce laterals by 2-3m

    7 Handside Green Welwyn Garden City AL8 6SQ

    Received 20 Oct 2025
  2. Decided - Granted6/2025/0680/HOUSE

    Erection of single storey rear extension

    25 Longmead Hatfield AL10 0AB

    Received 8 Apr 2025
  3. Appeal Decided - Dismissed6/2018/3175/FULL

    Erection of outbuilding/store

    The View, Carbone Hill, Northaw, Hertford, SG13 8RG

    Received 12 Dec 2018
  4. Decided - GrantedN6/2014/0256/TC

    Reduce two Ash trees by upto 20%

    64 Attimore Road, Welwyn Garden City, AL8 6LP

    Received 4 Feb 2014
  5. Decided - Withdrawn6/2016/0688/LAWP

    Certificate of lawfulness for the proposed erection of single storey rear extension

    69 Attimore Road, Welwyn Garden City, AL8 6LG

    Received 14 Apr 2016
  6. Decided - Granted6/2023/0772/FULL

    Erection of dwelling following the demolition of existing dwelling

    74 Warrengate Road North Mymms Hatfield AL9 7TY

    Received 6 Apr 2023
  7. Decided - Granted6/2026/0725/HOUSE

    Erection of a single storey rear extension, raising of roof to existing side extension and canopy area with polycarbonate sheeting roof

    10 West Mead Welwyn Garden City AL7 4SA

    Received 24 Apr 2026
  8. Decided - WithdrawnW6/2006/0626/EM

    PROPOSED VEHICLE HARDSTANDING.

    1 Lowerfield, Welwyn Garden City, AL7 3JT

    Received 15 May 2006
  9. DecidedW6/2007/0653/EM

    ERECTION OF 10 BEDROOM FURNISHED HOUSING UNIT FOR HOMELESS WOMEN AND CHILDREN AND ASSOCIATED LANDSCAPING AND CAR PARKING

    11a Swanhill, Welwyn Garden City, AL7 1PB

    Received 26 Apr 2007
  10. Decided - Granted6/2020/0311/MAJ

    Engineering works comprising ground works and shaping of land to create a golf course (used only in conjunction with the Nyn Park Estate dwellinghouse) and erection of an associated single storey maintenance building

    Nyn Park Well Road Northaw Potters Bar EN6 4BS

    Received 4 Feb 2020
  11. Decided - Granted6/2018/2458/HOUSE

    Erection of greenhouse

    17 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 25 Sept 2018
  12. Decided - WithdrawnW6/2004/0583/EM

    ERECTION OF SINGLE STOREY BUILDING FOR STORAGE/GYMNASIUM USE

    5 Salisbury Gardens, Welwyn Garden City, AL7 3RS

    Received 15 Apr 2004
  13. Decided - GrantedW6/2004/1365/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    168 Boundary Lane, Welwyn Garden City, AL7 4DF

    Received 10 Sept 2004
  14. Decided6/2019/2487/TC

    Reduce 1x Copper Beech tree by 2.5m

    13 Brockett Close Welwyn Garden City AL8 7BN

    Received 7 Oct 2019
  15. Decided6/2023/0055/TC

    2 x Irish Yew to reduce to approximately 3m above ground level

    Digswell Lodge Digswell Rise Welwyn Garden City AL8 7NU

    Received 10 Jan 2023
  16. Decided - Granted6/2023/1957/COND

    Submission of details pursuant to conditions 1 (Parking), 6 (Construction Traffic Management Plan - Phases 1 and 2) and 7 (Details of Haul Road) on planning permission 6/2022/2249/VAR

    Hertfordshire Constabulary Stanborough Road Welwyn Garden City Hertfordshire AL8 6XF

    Received 22 Sept 2023
  17. Decided - RefusedS6/2005/1482/FP

    ERECTION OF THREE CAR GARAGE, CONVERSION OF EXISTING GARAGE INTO LIVING ACCOMODATION, AND REAR EXTENSION OF MAIN HOUSE FOR SWIMMING POOL/GYMNASIUM

    Monkswell The Ridgeway Cuffley Potters Bar EN6 4BH

    Received 1 Dec 2005
  18. Decided - Granted6/2024/2149/EM

    Erection of an 8 ft x 6 ft wooden garden shed in rear garden

    40 Wren Wood Welwyn Garden City AL7 1QG

    Received 7 Nov 2024
  19. Decided - Granted6/2016/1360/EM

    Erection of single storey rear and side extension

    22 Beehive Green, Welwyn Garden City, AL7 4BG

    Received 4 Jul 2016
  20. Decided - GrantedS6/2014/2610/NM

    Non material amendment following approval of planning permission S6/2014/1784/FP - Amendment to side roof to include a small parapet up stand with an integral gutter

    85 Bluebridge Road, Brookmans Park, Hatfield, AL9 7UN

    Received 28 Nov 2014
  21. Decided - GrantedN6/2009/2213/FP

    DEMOLITION OF POTTING SHED AND GREENHOUSE AND ERECTION OF ORANGERY

    13 LEMSFORD VILLAGE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7TN

    Received 6 Oct 2009
  22. Decided - Granted6/2020/3104/COND

    Submission of details pursuant to condition 6 (glazing and insulation) on planning permission 6/2017/1902/FULL

    36 Salisbury Square Hatfield AL9 5AF

    Received 23 Nov 2020
  23. Decided6/2024/0805/TC

    1 x yew to reduce overhanging branches by approximately 1m (back near to the boundary line of 9-11 Church Street).

    2 Holly Hall Court Church Street Welwyn AL6 9LH

    Received 29 Apr 2024
  24. Decided - Refused6/2016/2335/LAWP

    Certificate of lawfulness for the erection of a double-storey rear extension

    Woodhill Farm Kentish Lane Brookmans Park Hatfield AL9 6JY

    Received 7 Nov 2016

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 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.

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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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