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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/0888/HOUSE

    Alterations to the front and rear elevations including, replacement windows and doors, erection of new bike store, wall infill and replacement of sliding doors.

    23 Mount Way Welwyn Garden City AL7 4LD

    Received 13 Apr 2022
  2. Decided - Granted6/2018/1195/HOUSE

    Demolition of single storey side extension and erection of two storey and single storey side extension

    42 Caponfield Welwyn Garden City AL7 4AP

    Received 8 May 2018
  3. Decided - GrantedN6/2007/1918/FP

    ERECTION OF SINGLE STOREY SIDE AND FIRST FLOOR REAR EXTENSION

    48 BLAKEMERE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PJ

    Received 14 Dec 2007
  4. Decided - Granted6/2020/3412/EM

    Erection of a part single part double storey rear extension, alterations to existing fenestration, insertion of roof lights to rear elevation and one replacement chimney

    19 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 21 Dec 2020
  5. Decided - GrantedW6/2009/2328/EM

    ERECTION OF TWO STOREY SIDE AND SINGLE STOREY REAR EXTENSION, AND INSERTION OF A DOOR

    9 CROSSWAY, WELWYN GARDEN CITY, HERTS, AL8 7ED

    Received 21 Oct 2009
  6. Decided - Refused6/2018/0159/HOUSE

    Erection of a single storey and first floor rear extension and alterations to roof following demolition of conservatory.

    26 Georges Wood Road Brookmans Park Hatfield AL9 7BT

    Received 17 Jan 2018
  7. Decided - Granted6/2017/1752/EM

    To extend existing hardstanding and rebuilding of boundary walls

    13 Coneydale Welwyn Garden City AL8 7RX

    Received 8 Aug 2017
  8. Decided - SplitN6/2012/2409/NM

    Non material amendment following approval of planning permission N6/2008/2467/FP - Please see application form

    8 Valley Road Welwyn Garden City AL8 7DF

    Received 20 Nov 2012
  9. Decided - Withdrawn6/2018/0878/EM

    Erection of a single storey rear extension, installation of 2 x front rooflights and 2 x rear rooflights to facilitate loft conversion

    4 Stacklands Welwyn Garden City AL8 6XW

    Received 3 Apr 2018
  10. Decided - GrantedN6/2014/2203/TP

    Reduce 3x Hornbeams in rear garden by 30% covered by TPO 99

    4 Juniper Gardens Welwyn AL6 0XH

    Received 7 Oct 2014
  11. Decided - Granted6/2020/3110/LAWP

    Certificate of Lawfulness for a loft conversion with rear dormer and three roof lights in front roofslope

    5 Feather Dell Hatfield AL10 8DE

    Received 23 Nov 2020
  12. Decided - GrantedW6/2007/1787/EM

    ERECTION OF SINGLE STOREY SIDE EXTENSION WITH TWO NEW ROOF LIGHTS

    42 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 23 Nov 2007
  13. Appeal Decided - Dismissed6/2025/0387/MAJ

    Demolition of the existing house and outbuilding and construction of a new residential apartment building to provide 12 x 2-bedroom and 3 x 3-bedroom apartments, construction of access, landscape planting and ancillary development

    57 New Road Digswell Welwyn AL6 0AL

    Received 27 Feb 2025
  14. Decided - Withdrawn6/2017/0766/EM

    Fell x 2 Apple trees, x 1 Pear tree plus 1 x Rowan tree

    20 Turmore Dale Welwyn Garden City AL8 6HS

    Received 13 Apr 2017
  15. Decided - RefusedN6/2015/0292/FP

    Erection of two storey side extension wth integral garage and single storey rear extension

    49 Great Ley, Welwyn Garden City, AL7 4TJ

    Received 6 Feb 2015
  16. Decided - Granted6/2021/1182/EM

    Installation of one air source heat pump

    19 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 12 Apr 2021
  17. Decided - Granted6/2023/1637/LAWP

    Certificate of lawfulness for the reduction to height of existing front boundary fence and gate

    Millwards House Great North Road Hatfield AL9 5SD

    Received 8 Aug 2023
  18. Decided - Granted6/2016/1173/EM

    Erection of single storey rear extension

    131 Sloansway, Welwyn Garden City, AL7 1NF

    Received 13 Jun 2016
  19. Decided - GrantedS6/2009/2566/DS

    CONFIRMATION OF COMPLIANCE WITH ALL OBLIGATIONS RELATING TO THE S106 AGREEMENT DATED 21JANUARY 2005 PURSUANT TO PLANNING PERMISSION S6/2004/0494/FP

    Vital Innovations Unit 16 Hearle Way Hatfield AL10 9EW

    Received 17 Nov 2009
  20. Decided - Split6/2023/1986/COND

    Submission of details pursuant to Condition 7 (Building Regulations Part M4(2) standards for ‘accessible and adaptable dwellings') on planning permission 6/2019/2162/OUTLINE

    Land south-west of Filbert Close Hatfield AL10 9SH

    Received 26 Sept 2023
  21. Decided - GrantedN6/2015/1467/HOUSE

    Conversion of garage to form habitable room and installation of window in front elevation

    3 Ellesfield Welwyn AL6 9HB

    Received 8 Jul 2015
  22. Decided - Granted6/2015/2181/TPO

    Reduce two Oak trees by 30% and removal of one Oak tree covered by TPO 55.

    Treetops 13 Bracken Lane Welwyn AL6 0RB

    Received 22 Oct 2015
  23. Decided - Granted6/2018/0365/HOUSE

    Erection of a single storey rear extension, first floor rear extension, alterations to openings on existing side elevation and partial garage conversion following demolition of existing conservatory

    1 Wellington Drive Welwyn Garden City AL7 2NL

    Received 5 Feb 2018
  24. Decided - WithdrawnS6/2006/1084/TP

    WORKS TO TREES COVERED BY TPO 160 (A1)

    33 Pine Grove Brookmans Park Hatfield AL9 7BP

    Received 7 Aug 2006

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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