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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2024/1509/TPO

    Covered by TPO 794 (2018) T1 - Oak tree - Thin crown by 20% due to excessive shading. T2- Oak Tree - Reduce by 2m due to excessive shading.

    22 Bracken Lane Welwyn AL6 0RB

    Received 8 Aug 2024
  2. Decided - Granted6/2025/1512/FULL

    Erection of a timber outbuilding and addition of permeable block paving to the frontage following the demolition of the existing outbuilding

    9 Guessens Road Welwyn Garden City AL8 6QW

    Received 11 Jul 2025
  3. Decided - GrantedW6/2004/1324/EM

    SINGLE STOREY REAR EXTENSION

    22 Cypress Avenue, Welwyn Garden City, AL7 1HN

    Received 31 Aug 2004
  4. Decided - Granted6/2021/0854/EMT

    Re-pollard hawthorn hedge by 3-4m

    3 Marley Road Welwyn Garden City AL7 4BT

    Received 16 Mar 2021
  5. Decided - GrantedS6/2009/2206/DS

    DISCHARGE OF CONDITIONS: 2 (MATERIALS), 3 (SITE LEVELS), 4 (TREES), 5 (LANDSCAPING) & 7 (TREES) FROM PLANNING PERMISSION S6/2009/1447/FP

    36 TOLMERS AVENUE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4QA

    Received 7 Oct 2009
  6. Decided - Granted6/2016/1749/LB

    Replacement of windows with double glazed wooden windows

    5 Mill Green Cottages Mill Green Bush Hall Lane Hatfield AL9 5PB

    Received 24 Aug 2016
  7. Decided - GrantedS6/2004/0815/FP

    ERECTION OF REAR CONSERVATORY

    56 Daffodil Close Hatfield AL10 9FF

    Received 3 Jun 2004
  8. Decided - Granted6/2017/0879/HOUSE

    Erection of single storey rear extension with 4 roof lights, part two-storey and part single-storey side and part single-storey front extensions, installation of rear dormer window and conversion of roof space to habitable accommodation including four front roof lights involving demolition of existing detached garage and carport.

    27 Skimpans Close Welham Green Hatfield AL9 7PA

    Received 27 Apr 2017
  9. Decided6/2025/2088/TC

    1 x Silver Birch to reduce lateral branches by 1.5m up to a height of 6m - Reducing to prevent excessive overhang and Apple Phototropism

    6 Dognell Green Welwyn Garden City AL8 7BL

    Received 1 Oct 2025
  10. Decided - GrantedN6/2009/1238/TE

    CROWN LIFT CHERRY TREE TO 2.5 METRES

    LAND ADJACANT TO, 39 ARCHERS RIDE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4PR

    Received 23 Jun 2009
  11. Decided - Granted6/2019/2225/EM

    Erection of greenhouse

    7 Pentley Park Welwyn Garden City AL8 7RT

    Received 9 Sept 2019
  12. Decided - GrantedS6/2015/0886/FP

    Replacement of first floor windows to the front and rear elevations, installation of metal external escape staircase to serve existing 2nd and 3rd floor flats.

    White Lion House, Town Centre, Hatfield, AL10 OJL

    Received 24 Apr 2015
  13. Decided - Granted6/2021/1411/EMT

    Move the existing privet hedge between No. 40 & 42 to centre of boundary between the two properties. Remove neglected and dead shrub so correct boundary can be designated between the two properties.

    42 Handside Lane Welwyn Garden City AL8 6SJ

    Received 4 May 2021
  14. Decided - RefusedS6/2006/0612/LU

    CERTIFICATE OF LAWFULNESS FOR PROPOSED ALTERATIONS TO ROOF, INCORPORATING CONVERTING HIPPED END TO GABLE WALL AND ROOF

    BRANDRAM Great North Road Hatfield AL9 6DA

    Received 12 May 2006
  15. Decided - RefusedW6/2014/0156/EM

    Erection of single storey side extension and rear garden shed

    101 Parkway, Welwyn Garden City, AL8 6JD

    Received 15 Jan 2014
  16. Decided - Granted6/2020/0675/FULL

    Formation of hardstanding for car parking to be served by a new pavement crossover from the highway.

    91 Broomhills Welwyn Garden City AL7 1RE

    Received 10 Mar 2020
  17. Decided - Granted6/2024/0824/EMT

    Crown reduction of 1 x Eucalyptus tree by 3m height and 4m in width

    3 Fordwich Road Welwyn Garden City AL8 6EX

    Received 1 May 2024
  18. Decided - GrantedW6/2013/0541/EM

    Erection of single storey rear extension

    8 Monkswood, WELWYN GARDEN CITY, AL8 7EP

    Received 8 Mar 2013
  19. Decided - GrantedN6/2009/1184/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    31 ROSEDALE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1DW

    Received 3 Jun 2009
  20. Decided - GrantedW6/2007/0796/EM

    PROPOSED SINGLE STOREY REAR EXTENSION AND CONVERSION OF STORE INTO STUDY.

    3 The Lawns, Welwyn Garden City, AL8 7HU

    Received 24 May 2007
  21. Decided - GrantedS6/2004/0903/FP

    FRONT EXTENSION TO EXISTING GARAGE.

    64 King James Avenue Cuffley Potters Bar EN6 4LP

    Received 11 Jun 2004
  22. Decided - Granted6/2020/0135/EM

    Erection of log cabin

    178 Heronswood Road Welwyn Garden City AL7 3EU

    Received 20 Jan 2020
  23. Decided - Granted6/2022/0379/HOUSE

    Erection of single storey front extension

    21 Glebe Road Welwyn Hertfordshire AL6 9PB

    Received 17 Feb 2022
  24. Decided - Granted6/2015/2495/HOUSE

    Replacement of existing single storey extension with part single part double storey extensions and part garage conversion

    18 Elmwood, Welwyn Garden City, AL8 6LE

    Received 18 Dec 2015

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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Guides to planning records

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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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