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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
39,707Searchable applications
343Recorded as pending
86%Approval rate · 33,249 approved or refused records
4,748Refused applications

28,501 approved · 4,748 refused · 2,171 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 28 Oct 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 Counts reflect the last collected status; some records may be out of date.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. Appeal Decided - Dismissed6/2016/1670/HOUSE

    Erection of first floor rear extension and alterations to openings

    16 Daniells, Welwyn Garden City, AL7 1PZ

    Received 15 Aug 2016
  2. Decided - Granted6/2018/0638/COND

    Submission of details pursuant to condition 2 (external material samples) on planning permission 6/2016/1449/HOUSE, dated 28/10/2016

    5 Chantry Lane Hatfield AL10 9HS

    Received 28 Feb 2018
  3. Decided6/2025/2569/TC

    Apple Tree - Remove the tree given state of branches, following the collapse of a large branch earlier this year

    8 Mannicotts Welwyn Garden City AL8 7BW

    Received 15 Dec 2025
  4. Decided - WithdrawnN6/2008/0307/FP

    ERECTION OF TWO SEMI-DETACHED CHALET BUNGALOWS, FOLLOWING DEMOLITION OF EXISTING BUNGALOW

    14 The Drive Welwyn AL6 0TR

    Received 15 Feb 2008
  5. DecidedN6/2008/1818/TC

    REMOVAL OF ASH TREE FROM REAR GARDEN

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

    Received 23 Sept 2008
  6. Decided - GrantedN6/2008/1252/FP

    ERECTION OF EXTENSION TO EXISTING PORCH

    18 Birch Grove Welwyn AL6 0QP

    Received 5 Nov 2008
  7. Decided - Granted6/2020/2772/COND

    Submission of details pursuant to condition 5 (parking provision) on planning permission 6/2017/1902/FULL

    36 Salisbury Square Hatfield AL9 5AF

    Received 23 Oct 2020
  8. Decided - Granted6/2022/1718/TPO

    T50 (Scots Pine), T51 (Scots Pine) and T82 (Elm) as shown on plan RSE_4410_TLP_V1. Confirmed as dead, dying and dangerous from falling in high winds. Removal of all 3 trees for safety.

    42 New Road Digswell Welwyn AL6 0AH

    Received 20 Jul 2022
  9. Decided - GrantedN6/2015/0599/LUP

    Certificate of lawfulness for proposed single storey side extension

    27 Wolves Mere Woolmer Green Knebworth SG3 6JW

    Received 19 Mar 2015
  10. Decided - Refused6/2021/3234/COND

    Submission of details pursuant to condition 1 (scheme of replacement hedge) on planning permission 6/2021/1872/HOUSE

    2 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 11 Nov 2021
  11. Decided - Granted6/2019/1371/FULL

    Conversion of the building from two dwellings into one dwelling, erection of a single storey rear extension with glass balcony; installation of roof mounted solar panels; and alterations to fenestration

    Northside/Abdale House, 32/34 Warrengate Road, North Mymms, AL9 7TX

    Received 7 Jun 2019
  12. Decided - GrantedS6/2007/0134/FP

    ERECTION OF A SINGLE STOREY SIDE EXTENSION

    THE DAIRY, 8 HOME FARM ROAD, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7TP

    Received 29 Jan 2007
  13. Decided - Granted6/2026/1258/HOUSE

    Erection of two-storey front, side and rear extensions and a single storey rear extension following the demolition of the attached garage, conservatory, single storey rear extension and front canopy. Alteration to fenestration and external materials.

    13 Lodge Drive Hatfield AL9 5HL

    Received 17 Jul 2026
  14. Decided - RefusedW6/2006/0119/EM

    ERECTION OF TWO STOREY SIDE EXTENSION

    30 Attimore Road, Welwyn Garden City, AL8 6LP

    Received 30 Jan 2006
  15. Decided - Granted6/2022/0390/HOUSE

    Retention of existing pool enclosure

    10 Thrush Lane Cuffley Potters Bar EN6 4JU

    Received 21 Feb 2022
  16. Decided - Refused6/2018/1469/PN8

    Prior approval for the erection of a single storey rear extension measuring 6.0m in depth, 2.8m in heights, 2.6m to the eaves

    4 Crop Common Hatfield AL10 0DF

    Received 31 May 2018
  17. Decided - GrantedS6/2014/0068/FP

    Proposed erection of first floor extension

    8a Warren Close, Hatfield, AL10 0AL

    Received 20 Jan 2014
  18. Decided - Granted6/2022/1704/HOUSE

    Proposed side extension

    82 Broadwater Crescent Welwyn Garden City AL7 3TU

    Received 19 Jul 2022
  19. Decided - Withdrawn6/2022/0941/HOUSE

    Erection of part single, part two storey side and rear extension, replacement roof to include rear two dormers, porch, landscaping and boundary treatment

    4 Brookmans Avenue Brookmans Park Hatfield AL9 7QJ

    Received 21 Apr 2022
  20. Decided - GrantedN6/2014/1070/NM

    Non material amendment following approval of planning permission N6/2006/0923/OP - Increase the size of the all weather pitch

    Sir Frederic Osborn School Herns Lane Welwyn Garden City AL7 2AF

    Received 23 May 2014
  21. Decided - Granted6/2021/0799/EMT

    Reduce 5 x Apple and 1 x Pear by 1m and remove deadwood

    16 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 11 Mar 2021
  22. Decided - Granted6/2017/0137/COND

    Approval of details reserved by condition 7 (Surface Layout) on planning permission 6/2015/1957/MAJ

    Former Argos Direct Distribution Depot 1 Bessemer Road Welwyn Garden City AL7 1HF

    Received 25 Jan 2017
  23. Decided - GrantedS6/2009/2001/EI

    EIA SCREENING RESIDENTIAL DEVELOPMENT COMPRISING OF 118 DWELLINGS, OPEN SPACE, ASSOCIATED PARKING AND LANDSCAPING (OUTLINE PERMISSION)

    MOUNT PLEASANT DEPOT, MOUNT PLEASANT LANE, HATFIELD, HERTS, AL9 5PU

    Received 18 Sept 2009
  24. Decided - Granted6/2021/1546/LAWP

    Certificate of lawfulness for erection of single storey side extension and internal alterations.

    1A Wendover Drive Welwyn AL6 9LT

    Received 14 May 2021

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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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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