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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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/3196/EM

    Reduce by 20% 1x Apple tree

    38 Parkway Welwyn Garden City AL8 6HQ

    Received 17 Dec 2018
  2. Decided - GrantedN6/2015/0245/DS

    Approval of details reserved by condition 6

    Land at, Bessemer Road, Welwyn Garden City, AL7 1HJ

    Received 9 Feb 2015
  3. DecidedN6/2008/2422/TC

    .

    40 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HQ

    Received 12 Dec 2008
  4. Decided - GrantedN6/2009/0209/TP

    REMOVAL OF SYCAMORE TREE COVERED BY TPO 76 T5

    31 Parkside Welwyn AL6 9DQ

    Received 29 Jan 2009
  5. Decided - Refused6/2017/0043/HOUSE

    Extension to existing garage to form double garage

    5 The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 10 Jan 2017
  6. Decided - Granted6/2024/1422/EMT

    To reduce 50ft Oak tree by 30%

    176 Handside Lane Welwyn Garden City AL8 6SZ

    Received 26 Jul 2024
  7. Appeal Decided - Dismissed6/2024/1036/ADV

    Installation of an internally illuminated fascia text and an internally illuminated hanging sign

    40-42 Howardsgate Welwyn Garden City AL8 6BJ

    Received 4 Jun 2024
  8. Decided - Granted6/2023/1331/HOUSE

    Erection of a single storey rear flat roof extension with brick parapet following demolition of existing conservatory

    12 Guessens Road Welwyn Garden City AL8 6QR

    Received 27 Jun 2023
  9. Decided - GrantedN6/2010/0121/TP

    30% PRUNING TO OAK TREE COVERED BY TPO 441

    10 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HG

    Received 21 Jan 2010
  10. Decided - GrantedS6/2015/0082/LUP

    Certificate of lawfulness for the erection of a ground floor rear extension

    74 Bull Stag Green Hatfield AL9 5DE

    Received 20 Jan 2015
  11. Decided - GrantedS6/2007/0550/TP

    REDUCE BACK TO PREVIOUS CUTS BY UP TO 25% - 30%. OAK TREE T1 COVERED BY TPO 112.

    6 Newgate Street Village Hertford SG13 8RA

    Received 3 Apr 2007
  12. Decided - Granted6/2017/1157/EM

    Reduce 2 False Acacia trees by upto 40%. 1 located at 292 Knightsfield and 1 on the border with 294 Knightsfield

    292 Knightsfield Welwyn Garden City AL8 7NQ

    Received 26 May 2017
  13. Decided - Refused6/2023/2295/COND

    Submission of details pursuant to condition number 1 (scheme to mitigate noise), on planning permission 6/2023/1403/FULL

    8 Birkin Court Welwyn Garden City AL7 3FA

    Received 14 Nov 2023
  14. Decided - Granted6/2019/1441/FULL

    Erection of two detached and a pair of semi-detached dwellings following demolition of two existing dwellings

    15-17 Newgate Street Village, Hertford, SG13 8RA

    Received 14 Jun 2019
  15. Decided - Refused6/2023/1622/FULL

    Retention of a gazebo area to pub garden

    The Great Northern 54 Great North Road Hatfield AL9 5AE

    Received 7 Aug 2023
  16. Decided - GrantedN6/2012/2438/FP

    Erection of single storey side and rear extension

    3A Copse Hill Welwyn AL6 0SG

    Received 13 Nov 2012
  17. Decided - GrantedS6/2014/2428/LB

    Erection of side extension

    5 Potterells Station Road Welham Green Hatfield AL9 7SL

    Received 3 Nov 2014
  18. Decided - Granted6/2018/2153/HOUSE

    Erection of single storey rear extension and installation of rear dormer to facilitate loft conversion to habitable space

    51 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 20 Aug 2018
  19. Decided - Refused6/2022/1408/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m. in depth, 2.96m in height and 2.86m to the eaves.

    164 Aldykes Hatfield AL10 8EE

    Received 20 Jun 2022
  20. Decided - GrantedN6/2005/1414/FP

    ERECTION OF 20 ONE BED FLATS AND ASSOCIATED ACCESS, PARKING AND LANDSCAPING, FOLLOWING DEMOLITION OF 3 DETACHED DWELLINGS

    163-169 BOUNDARY LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4EQ

    Received 11 Nov 2005
  21. Decided - Granted6/2020/1073/COND

    Submission of details pursuant to condition 1 (approved scheme of remediation) on planning permission 6/2018/2085/FULL

    The East Great North Road Welwyn Garden City AL8 7TB

    Received 13 May 2020
  22. Decided6/2018/1655/TPO

    Various Tree works - conservation area T1 - 1 x Oak reduce height by 1.5m T2 - 1 x Oak reduce height by 1.5m and width by 3m back to boundary T3 - 1 x Oak to remove epicormic growth T4 - 1 x Oak to sever Ive at base T5 - 1 x Oak reduce by 1.5m height & width T6 - 1 x Cherry fell T7 - 1 x Hornbeam fell T8 - 1 x Ash fell T9 - 1 x Cherry fell T10/11 - 2 x Hornbeams to reduce by 3m

    7 Densley Close Welwyn Garden City AL8 7JX

    Received 22 Jun 2018
  23. Decided - Granted6/2019/1669/COND

    Submission of details pursuant to condition 1 (Drainage Scheme) and 3 (Landscapes) on planning permission 6/2019/0035/MAJ

    Monks Walk School Knightsfield Welwyn Garden City AL8 7NL

    Received 8 Jul 2019
  24. Decided - Granted6/2021/2044/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3.3m in height and 3m to the eaves.

    5 Meadow Croft Hatfield AL10 0SG

    Received 6 Jul 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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How to search planning applications

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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