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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 10 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/0890/FULL

    Erection of a 7no bedroom dwelling with detached three car garage following demolition of existing 6no bedroom dwelling and outbuildings

    West End Farm, West End Lane, Essendon, Hatfield, AL9 6AZ

    Received 9 May 2016
  2. Decided - Granted6/2018/1930/HOUSE

    Erection of extension to existing garage and increase height of existing boundary wall

    2 The Paddock Hatfield AL10 0ED

    Received 20 Jul 2018
  3. Decided - GrantedN6/2008/1560/MA

    ERECTION OF 24 DWELLINGS INCLUDING; EIGHT x 2 BED FLATS, NINE x 3 BED HOUSE, SIX x 2 BED HOUSE & ONE x 4 BED HOUSE WITH ASSOCIATED PARKING, LANDSCAPING, NEW VEHICULAR AND PEDESTRIAN ACCESS

    LAND TO THE REAR OF, 173A-187 KNELLA ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3NT

    Received 22 Aug 2008
  4. Appeal Decided - DismissedS6/2013/0693/FP

    Retention of extended and altered agricultural building to form a 2 bedroomed single storey dwellinghouse

    Beavers Lodge Farm, Tylers Causeway, Newgate Street, Hertford, SG13 8QN

    Received 2 Apr 2013
  5. Decided - Granted6/2025/1848/FULL

    Change of use and conversion of storage barn and workshop to provide one new dwelling

    1 Reynards Road Welwyn AL6 9TR

    Received 29 Aug 2025
  6. Appeal Decided - AllowedC6/1987/0742/FP

    Single storey rear extension

    Essendon Edge 5 Essendon Hill Essendon Hatfield AL9 6AJ

    Received 1 Jan 1987
  7. Decided - Granted6/2019/3205/COND

    Submission of details pursuant to condition 1 (samples of the external materials, including lime plaster and roof tiles) on Listed Building consent 6/2019/1372/LB

    Abdale House Warrengate Road North Mymms Hatfield AL9 7TX

    Received 20 Dec 2019
  8. Decided - GrantedS6/2006/0125/FP

    ERECTION OF BARN EQUIPMENT/FACILITIES FOR ANIMAL LOCOMOTION STUDIES AND ASSOCIATED ACCESS, RELOCATION OF PART OF EXISTING LOOSE BOXES, DEMOLITION OF EXISTING POLYTUNNEL STRUCTURE

    Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA

    Received 31 Jan 2006
  9. Decided - GrantedW6/2004/1678/EM

    REAR CONSERVATORY

    24 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 12 Nov 2004
  10. Decided - RefusedW6/2006/0114/EM

    ERECTION OF SINGLE STOREY REAR AND FRONT EXTENSIONS AND ERECTION OF FIRST FLOOR REAR EXTENSION

    3 Youngs Rise, Welwyn Garden City, AL8 6RT

    Received 27 Jan 2006
  11. Decided - Granted6/2015/2232/TPO

    Reduce height of Chestnut tree by 4m and sides by 3m, crown thin Oak tree by by 30%, remove 2 lowest limbs and lift by 5m. Reduce height of Yew tree by 4m and reduce sides by 2m plus lift overhanging limbs of Oak tree at 6 The Orchard by upt to 3m- Conservation Area.

    (no. 12) Digswell Lodge, Digswell Rise, Welwyn Garden City, AL8 7NU

    Received 3 Nov 2015
  12. Decided - Granted6/2016/0743/EM

    Reduce crown of Copper Beech tree by 20% to previous cuts

    3 Mandeville Rise, Welwyn Garden City, AL8 7JT

    Received 18 Apr 2016
  13. Decided - Granted6/2024/1868/LAWE

    Certificate of lawfulness for the existing use of HMO

    42 High Dells Hatfield AL10 9HU

    Received 30 Sept 2024
  14. Decided - Granted6/2018/1102/HOUSE

    Erection of a single storey and part two storey rear extension

    5 Sewells Welwyn Garden City AL8 7AQ

    Received 27 Apr 2018
  15. Decided - GrantedS6/2004/1053/FP

    DEMOLITION OF EXISTING GATE HOUSE AND ERECTION OF REPLACEMENT GATE HOUSE.

    FORMER MITSUBISHI ELECTRIC (UK) LTD, TRAVELLERS LANE, HATFIELD, HERTFORDSHIRE, AL108XB

    Received 12 Jul 2004
  16. Decided - Withdrawn6/2017/0990/TPO

    Fell x 2 Apple trees, x 1 Pear tree plus 1 x Rowan tree - Conservation Area

    20 Turmore Dale Welwyn Garden City AL8 6HS

    Received 9 May 2017
  17. Decided - Granted6/2016/1652/HOUSE

    Erection of single storey rear extension and alterations to openings following demolition of garage

    11 Woodside Road Digswell Welwyn AL6 0DS

    Received 11 Aug 2016
  18. Decided - GrantedN6/2004/0305/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION, SIDE CONSERVATORY AND REAR DORMER

    Turpins Manor 20 Turpins Chase Welwyn AL6 0RA

    Received 2 Mar 2004
  19. Decided - Granted6/2015/2379/TPO

    Removal of Black Poplar tree - Conservation Area.

    49 Fordwich Road, Welwyn Garden City, AL8 6EY

    Received 9 Nov 2015
  20. Decided - Granted6/2024/2334/FULL

    Conversion of existing domestic garage into 2 three bedroom dwellings

    124 Harmer Green Lane Digswell Welwyn Hertfordshire AL6 0ET

    Received 3 Dec 2024
  21. Decided - Granted6/2018/2152/HOUSE

    Raise roof height and construct 1 x rear dormer window and 1 x rear rooflight to facilitate conversion of garage to habitable space

    34 Kingsmead Cuffley Potters Bar EN6 4AN

    Received 20 Aug 2018
  22. Decided - GrantedS6/2013/0713/FP

    Conversion and extension to garage to include extension to roof and alterations to existing garage roof to create new leisure room.

    4 Devon Mead Hatfield AL10 9GD

    Received 2 Apr 2013
  23. Decided - Granted6/2025/2418/EMT

    Magnolia to reduce to around 1.2m above historic points. Mulberry to reduce to around 2m above ground level. Goat willow to reduce to 2m above ground level.

    4 Hillside Welwyn Garden City AL7 4PZ

    Received 18 Nov 2025
  24. Decided - Granted6/2020/3458/LAWP

    Certificate of lawfulness for the erection of pool outbuilding in rear garden.

    38 Reynards Road Welwyn AL6 9TP

    Received 30 Dec 2020

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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  • 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