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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
40,163Searchable applications
309Recorded as pending
86%Approval rate · 33,679 approved or refused records
4,801Refused applications

28,878 approved · 4,801 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 4 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2004/1318/OP

    ERECTION OF SIX 2 BEDROOM RESIDENTIAL APARTMENTS AND ASSOCIATED PARKING FOLLOWING DEMOLITION OF EXISTING DWELLING

    17 Wendover Drive Welwyn AL6 9LT

    Received 27 Aug 2004
  2. Decided - GrantedN6/2015/0844/FP

    Partial demolition of existing single storey extension and rear facade to create a new single storey rear extension with walled courtyard

    57 Longcroft Lane, Welwyn Garden City, AL8 6EB

    Received 20 Apr 2015
  3. Decided - RefusedW6/2009/2647/EM

    FORMATION OF VEHICLE HARDSTANDING

    8 BUSHEY GREEN, WELWYN GARDEN CITY, HERTS, AL7 3HA

    Received 7 Dec 2009
  4. Decided - Granted6/2022/0658/EMT

    1 x Silver Birch to reduce by 3m height and 2m width.

    130 Oakdale Welwyn Garden City AL8 7QX

    Received 21 Mar 2022
  5. Decided - Granted6/2024/2371/HOUSE

    Erection of a single storey rear extension following the demolition of conservatory and alterations to fenestration

    14 Wolves Mere Woolmer Green Hertfordshire SG3 6JW

    Received 12 Dec 2024
  6. Decided - Withdrawn6/2025/2214/LB

    Removal of existing flat roof, raising roof and replacing with a new flat roof. Internal modification of living space including the relocation of internal door

    Mill Green 5 Waterside Cottages Bush Hall Lane Hatfield AL9 5NY

    Received 20 Oct 2025
  7. Decided - Withdrawn6/2023/0413/VAR

    Variation of condition 1 (approved drawings) on planning permission 6/2021/3402/FULL (Change of use of private residential dwelling (Use Class C3) to Children's Home (Use Class C2) to convert garage to habitable acomodation and provision of alterntive off street parking

    2 Mulberry Mead Hatfield AL10 9EN

    Received 22 Feb 2023
  8. Decided - Granted6/2021/0987/EMT

    1 x Beech to reduce by 3m height & 2m width 1 x American Sweet Gum to reduce by 2m height & 1.2m width

    8 Sheepcote Welwyn Garden City AL7 4QD

    Received 25 Mar 2021
  9. Decided6/2025/0987/TC

    Remove 1 x Hornbeam in sections to ground level.

    147 Parkway Welwyn Garden City AL8 6JB

    Received 28 May 2025
  10. Decided - GrantedS6/2014/1398/FP

    Erection of two storey rear extension and rear dormer window and single storey side/rear extensioin

    50 Bluebell Way Hatfield AL10 9FJ

    Received 20 Jun 2014
  11. Decided - Granted6/2023/0689/COND

    Submission of details pursuant to condition 2 (Roof refurbishment) on planning permission 6/2022/2083/LB

    12 Cromer Hyde Lane Lemsford Welwyn Garden City AL8 7XE

    Received 27 Mar 2023
  12. Decided - Granted6/2024/0527/HOUSE

    Proposed front boundary wall and entrance gates

    52 Mymms Drive Hatfield AL9 7AF

    Received 18 Mar 2024
  13. Decided - Granted6/2019/3072/HOUSE

    Erection of a single storey side/rear extension

    44 Heronswood Road Welwyn Garden City AL7 3NU

    Received 4 Dec 2019
  14. Decided - GrantedN6/2005/1503/FP

    ERECTION OF TWO STOREY REAR AND SINGLE STOREY SIDE EXTENSION FOLLOWING DEMOLITION OF EXISTING SIDE EXTENSION

    15 Pentley Park Welwyn Garden City AL8 7RT

    Received 5 Dec 2005
  15. Decided6/2023/1739/TC

    To fell, remove deadwood, pollard, crown lift and reduce mixed species of trees that run along Ayot Greenway from rear of 76 Brockswood Lane to rear of 8 Scholars Mews - Tree nos 3513 to 4624 - Tree nos 4853, 4878, 4882, 4887 to 4888

    Ayot Greenway Welwyn Garden City

    Received 17 Aug 2023
  16. Appeal Decided - DismissedN6/2009/0042/FP

    ERECTION OF TWO STOREY REAR AND SINGLE STOREY FRONT AND SIDE EXTENSION, DETACHED GARAGE AND ALTERATIONS TO THE ROOF FOLLOWING DEMOLITION OF EXISTING OUTBUILDINGS, GARAGE AND PART DWELLING

    1 Rollswood Road Welwyn AL6 9TX

    Received 8 Jan 2009
  17. Decided - GrantedS6/2013/0876/AD

    Installation of non illuminated free standing sign board

    Land at, Hatfield Park, Hertford Road, Hatfield, AL9 5NQ

    Received 23 Apr 2013
  18. Decided - Granted6/2022/0769/HOUSE

    Erection of single storey rear extension

    35 Tansycroft Welwyn Garden City Hertfordshire AL7 2DS

    Received 29 Mar 2022
  19. DecidedN6/2015/0048/TC

    Crown reduce Cedar tree by 30%, cable brace one Conifer tree plus lift Lime tree crown by 4 metres and reduce crown by 20%

    31 Ayot Green, Ayot St Peter, Welwyn, AL6 9AB

    Received 14 Jan 2015
  20. Decided - Granted6/2019/1267/HOUSE

    Erection of a single storey rear extension

    4 Otter Gardens, Hatfield, AL10 8PN

    Received 29 May 2019
  21. Decided - Split6/2016/0469/COND

    Approval by details reserved by condition 15 (landscaping) on outline planning permission N6/2011/359/OP

    Queen Elizabeth II Hospital, Howlands, Welwyn Garden City, AL7 4HQ

    Received 21 Mar 2016
  22. Decided - Granted6/2021/2896/EM

    Erection of a single storey rear extension along with additions of a new utility and W/C on the ground floor. Erection of an additional staircase and conversion of the existing loft space into a habitable room, complete with en-suite and rear dormer windows

    51 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 8 Oct 2021
  23. Decided - Granted6/2016/0287/LAWP

    Certificate of lawfulness for the erection of a single storey detached building to form home office, store and wash/boot room.

    1, Church Cottages, Bibbs Hall Lane, Welwyn, AL6 9BZ

    Received 22 Feb 2016
  24. Decided - Granted6/2016/2354/HOUSE

    Erection of single storey side extension

    2 Holly Hall Court Church Street Welwyn AL6 9LH

    Received 8 Nov 2016

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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