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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
40,285Searchable applications
321Recorded as pending
86%Approval rate · 33,777 approved or refused records
4,815Refused applications

28,962 approved · 4,815 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2021/1997/TC

    Reduce 2 x Oak trees by 30% covered by conservation area

    1 Reddings Welwyn Garden City AL8 7LA

    Received 1 Jul 2021
  2. Decided6/2022/0397/TC

    Trees on communal land of Park Close. T1 Damson - Fell T2 Holly - Reduce height to 6 feet G3 Horse chestnut - dead - fell

    Land at Park Close Hatfield AL9 5AY

    Received 21 Feb 2022
  3. Decided - Granted6/2023/0554/PN8

    Prior approval for the erection a single storey rear extension measuring 8 metres in depth, 3 metres in height and 3 metres to the eaves

    4 Swanland Road North Mymms Hatfield AL9 7TG

    Received 13 Mar 2023
  4. Decided - GrantedN6/2014/2139/FP

    Erection of two storey rear extension and part single storey rear and side extensions

    7 Youngs Rise, Welwyn Garden City, AL8 6RT

    Received 29 Sept 2014
  5. Decided - Granted6/2016/2675/MAJ

    Erection of extension to existing sports hall, re cladding of existing roof and wall, following removal of existing mobile classrooms and increase parking provision from 85 to 102 approximately

    Queenswood School, Shepherds Way, Brookmans Park, Hatfield, AL9 6NS

    Received 19 Dec 2016
  6. Decided - Granted6/2021/3178/HOUSE

    Erection of a single storey rear extension, alterations to fenestration and glazed canopy area following the demolition of the existing rear conservatory

    36 Elm Gardens Welwyn Garden City AL8 6RY

    Received 8 Nov 2021
  7. Decided - Granted6/2015/1802/HOUSE

    Extension to existing outbuilding and garage with alterations and extension of raised patio area

    16 Coneydale Welwyn Garden City AL8 7RZ

    Received 25 Aug 2015
  8. Decided - Granted6/2017/1393/FULL

    Change of use from A1 (retail), A2 (financial & Professional services) and B1 (business) commercial unit to C3 (residential) for conversion to 4 flats (3 x 2 bedroom and 1 x 3 bedroom) and external alterations.

    Barham Court 80 Station Road Cuffley Potters Bar EN6 4HY

    Received 27 Jun 2017
  9. Decided6/2026/1060/TC

    Fell dead Rowan

    20 Turmore Dale Welwyn Garden City AL8 6HS

    Received 18 Jun 2026
  10. Decided - Granted6/2016/0305/COND

    Approval of details reserved by condition 2 (architectural detailing) and condition 3 (materials) on planning permission 6/2015/1859/HOUSE

    1 Heath Cottages Heath Road Little Heath Potters Bar EN6 1LS

    Received 24 Feb 2016
  11. Decided - GrantedS6/2007/1321/FP

    ERECTION OF A SINGLE STOREY FRONT EXTENSION

    6 HIGH RIDGE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4JH

    Received 6 Sept 2007
  12. Decided - GrantedN6/2004/0631/FP

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSION

    2 Brockett Close Welwyn Garden City AL8 7BN

    Received 29 Apr 2004
  13. Decided6/2021/0955/TC

    Crown reduce 1 x Lime tree (T1) and 1 x Ash tree (T2) by 30%. Crown reduce 1 x Alder tree (T3) by 20%. Fell 1 x Conifer (T4). Reduce 1 x Conifer (T5) by 3m. Reduce mixed trees group (G1) by 3m.

    8 The Green Welwyn AL6 9EA

    Received 24 Mar 2021
  14. Decided - Refused6/2024/2170/FULL

    Installation of an aluminium louvre following removal of 2x window panes on the first-floor east elevation

    Telephone Exchange Wigmores North Welwyn Garden City AL8 6PH

    Received 11 Nov 2024
  15. Decided - GrantedW6/2014/0337/EM

    Erection of single storey side and rear extension, extension to existing hardstanding and part removal of front hedge

    53 Newfields, Welwyn Garden City, AL8 6YS

    Received 12 Feb 2014
  16. Decided - Refused6/2017/2576/EM

    Retention of single storey rear extension and outbuilding to rear

    24 St Audreys Green Welwyn Garden City AL7 3RT

    Received 7 Nov 2017
  17. Decided6/2025/0868/TC

    T14 Maple to reduce all round by approx 1.5 metres (due to possible leaf infection and to maintain size and shape for the area).

    Barnside Court, Welwyn Garden City

    Received 9 May 2025
  18. Appeal Decided - Dismissed6/2025/2454/HOUSE

    Erection of front boundary walls and fences, sliding electric gates and minor soft landscaping alterations

    100 Tolmers Road Cuffley Potters Bar EN6 4JJ

    Received 24 Nov 2025
  19. Decided - Granted6/2020/2429/EM

    Erection of a single storey rear extension and amendments to ground floor fenestration

    62 Broomhills Welwyn Garden City AL7 1RD

    Received 22 Sept 2020
  20. Decided - GrantedW6/2008/0709/EM

    CONVERSION OF GARAGE INTO HABITABLE ACCOMMODATION AND INSERTION OF NEW WINDOW TO SIDE ELEVATION

    45 MARSDEN ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YQ

    Received 15 Apr 2008
  21. Decided - Granted6/2016/2673/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m depth, 4m in height and 2.7m to the eaves

    50 Wild Hill Road Brookmans Park Hatfield AL9 6DS

    Received 16 Dec 2016
  22. Decided - Granted6/2016/2279/LAWE

    Certificate of lawfulness for the erection of a single storey side extension

    28 Fulling Mill Lane Welwyn AL6 9NS

    Received 31 Oct 2016
  23. Decided - Granted6/2017/2766/TPO

    Removal of 7x Hornbeam trees TPO27 (T15/T16/T17/ T18 & T27)

    2a Rollswood Road Welwyn AL6 9TX

    Received 27 Nov 2017
  24. Decided - Granted6/2026/0214/EM

    Installation of 8 solar panels on garage roof

    8 High Grove Welwyn Garden City AL8 7DW

    Received 6 Feb 2026

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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