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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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 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 Counts reflect the last collected status; some records may be out of date.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
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 - Granted6/2019/1406/HOUSE

    Erection of two storey side extension, first floor rear extension, two front dormers and rear Juliet balcony following demolition of existing garage

    13 Westland Drive Brookmans Park Hatfield AL9 7UG

    Received 11 Jun 2019
  2. Decided - Granted6/2025/1082/HOUSE

    Erection of rear veranda

    Tudor Cottage Hill Farm Lane Ayot St Lawrence AL6 9BT

    Received 9 Jun 2025
  3. Decided - GrantedN6/2008/1797/FP

    ERECTION OF TWO STOREY REAR AND SINGLE STOREY SIDE EXTENSION.

    37 VALLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DH

    Received 20 Sept 2008
  4. Decided - Granted6/2021/3033/HOUSE

    Part demolition, part erection of a single storey rear extension with wraparound brick plinth, and erection of garden steps

    1 The Drive Welwyn AL6 0TW

    Received 22 Oct 2021
  5. Decided - Granted6/2018/0300/EM

    Erection of a single storey rear extension, following demolition of conservatory and extension of existing raised decking area.

    47 Rosedale Welwyn Garden City AL7 1DW

    Received 29 Jan 2018
  6. Decided - Granted6/2024/1718/EM

    Replacement of existing wooden fence with red brick wall

    Howards Cottage 1 Digswell House Mews Monks Rise Welwyn Garden City AL8 7AT

    Received 6 Sept 2024
  7. Decided - Granted6/2017/0849/HOUSE

    Erection of single storey rear extension and extension of terrace

    8 Gobions Way Little Heath Potters Bar EN6 1NW

    Received 24 Apr 2017
  8. Decided - GrantedS6/2005/1458/FP

    ANIMAL EXERCISER INSTALLATION.

    Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA

    Received 25 Nov 2005
  9. Decided - GrantedS6/2008/0053/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION AND TWO STOREY FRONT EXTENSION

    59 Great North Road Brookmans Park Hatfield AL9 6PR

    Received 9 Jan 2008
  10. Decided - GrantedW6/2014/0371/TE

    Removal of Poplar tree

    16 Marsden Road, Welwyn Garden City, AL8 6XZ

    Received 14 Feb 2014
  11. DecidedN6/2008/2016/TE

    REMOVAL OF FIG TREE FROM FRONT GARDEN

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

    Received 22 Oct 2008
  12. Decided - GrantedN6/2013/2490/FP

    Erection of part single storey and part first floor rear extension

    43 Handside Lane, Welwyn Garden City, AL8 6SH

    Received 20 Nov 2013
  13. Decided - Granted6/2023/2075/HOUSE

    Erection of a front extension and porch, single storey rear extension, installation of roof lights, internal alteration, floor plan redesign and associated works

    14 Lockley Crescent Hatfield AL10 0TN

    Received 10 Oct 2023
  14. Decided - Granted6/2025/1683/HOUSE

    Erection of a single storey rear extension, front porch, two-storey side extension, two storey front extension, hip to gable and rear dormer roof extension and front roof lights

    97 Lemsford Road Hatfield AL10 0DZ

    Received 5 Aug 2025
  15. Decided - Granted6/2021/3199/FULL

    Erection of single storey detached shed for lambing and machine storage

    9A The Limberlost Welwyn AL6 9TS

    Received 9 Nov 2021
  16. Decided - RefusedN6/2014/1202/FP

    Erection of single storey side extension and rear garden shed

    101 Parkway, Welwyn Garden City, AL8 6JD

    Received 29 May 2014
  17. Decided - Refused6/2019/0214/COND

    Submission of details pursuant to condition 7 (Construction Environmental Plan) on planning 6/2017/0848/MAJ

    Entech House London Road Woolmer Green SG3 6JE

    Received 1 Feb 2019
  18. Decided - GrantedW6/2009/2099/EM

    INSTALLATION OF SATELLITE DISH

    12 THE JINNINGS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4QB

    Received 25 Sept 2009
  19. Decided - Granted6/2025/1963/EMT

    2x 70ft conifers to reduce in height by 40% 1x 20ft conifer to remove

    24 Sheepcote Welwyn Garden City AL7 4QD

    Received 12 Sept 2025
  20. Decided - GrantedW6/2014/0319/EM

    Erection of single storey rear extension and installation of front & rear dormers

    3 Mannicotts, Welwyn Garden City, AL8 7BW

    Received 18 Feb 2014
  21. Decided - Granted6/2026/0334/EM

    Change of front door

    13 Fordwich Road Welwyn Garden City AL8 6EX

    Received 23 Feb 2026
  22. Decided - GrantedW6/2013/2244/TE

    Removal of Cupressus tree

    43 Daniells, Welwyn Garden City, AL7 1QY

    Received 7 Oct 2013
  23. Decided - GrantedS6/2005/1446/FP

    REAR CONSERVATORY AND SINGLE STOREY SIDE EXTENSION

    42 King James Avenue Cuffley Potters Bar EN6 4LP

    Received 22 Nov 2005
  24. Decided - Granted6/2022/0998/HOUSE

    Erection of first floor extension, two single storey side extensions and a single storey rear extension, front bay window, front porch, first floor side window, installation of 3 rooflights, change of materials, with other external alterations, following demolition of rear extension.

    33 Codicote Road Welwyn AL6 9TT

    Received 27 Apr 2022

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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    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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