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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
40,120Searchable applications
300Recorded as pending
86%Approval rate · 33,652 approved or refused records
4,801Refused applications

28,851 approved · 4,801 refused · 2,206 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 Oct 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 Counts reflect the last collected status; some records may be out of date.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. DecidedN6/2014/1509/TC

    Reduce Oak tree by 25%

    14 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 1 Jul 2014
  2. Decided - Granted6/2024/0123/LAWP

    Certificate of Lawfulness for the installation of Electric Vehicle charging equipment servicing four vehicle bays on Nursery Gardens

    Nursery Gardens Welwyn Garden City Hertfordshire AL7 1SF

    Received 22 Jan 2024
  3. Decided - Granted6/2024/0577/LAWE

    Certificate of lawfulness for existing driveway

    28 Shallcross Crescent Hatfield AL10 9QH

    Received 25 Mar 2024
  4. Decided - GrantedS6/2014/2097/TP

    Crown reduce the Multi Stem Oak tree (T3) by 30% covered by TPO 380

    Old Rectory Drive, Hatfield, AL10 8BL

    Received 24 Sept 2014
  5. Decided - Granted6/2022/1560/EMT

    Fell 1 x Rowan tree

    6 Little Youngs Welwyn Garden City AL8 6SL

    Received 4 Jul 2022
  6. Decided - Granted6/2021/2000/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension, following demolition of existing conservatory, to include insertion of roof light to proposed flat roof and additional window to existing side elevation.

    33 Upperfield Road Welwyn Garden City AL7 3LP

    Received 1 Jul 2021
  7. Decided - Refused6/2025/0964/PN10

    Prior approval for a change of use of agricultural buildings to 8 dwellings

    Tollgate Farm Tollgate Road Colney Heath St Albans AL4 0NY

    Received 27 May 2025
  8. Decided - Withdrawn6/2016/1726/MAJ

    Retention of fencing for a temporary period of 2 years

    Nyn Manor, Vineyards Road, Northaw, Potters Bar, EN6 4PQ

    Received 22 Aug 2016
  9. Decided - GrantedN6/2015/0285/TP

    Removal of one Sweet Chestnut tree and two Coppice Sweet Chestnut trees T2-T12

    8 Pine Crest Welwyn AL6 0EQ

    Received 11 Feb 2015
  10. Decided - GrantedS6/2014/2217/FP

    Erection of two storey side and single storey rear extensions

    10 Swanley Crescent, Little Heath, Potters Bar, EN6 1NQ

    Received 6 Oct 2014
  11. Decided - Granted6/2017/2593/COND

    Submission of details pursuant to condition 1 (materials samples) on planning permission 6/2017/1268/FULL

    Oshwal Centre Coopers Lane Road Northaw Potters Bar EN6 4DG

    Received 8 Nov 2017
  12. Decided - Granted6/2021/2286/HOUSE

    Erection of a single storey front, rear and side extension with two storey part rear and side extensions

    14 Selwyn Drive Hatfield AL10 9NJ

    Received 30 Jul 2021
  13. Decided - Granted6/2021/1678/TPO

    Remove the following: Laburnum (T1) Conifer (T2, T4, T5, T6, T7, T8, T9, T10, T11, T13, T14, T16, T17, T19) Dead stump - unclear on species (T3, T18) Fruit tree - potentially apple (T12) Crab apple tree - partly dead (T15) Dragon claw willow (T20, T21, T22) To replace line of conifers with a native mixed hedge

    43 Peplins Way Brookmans Park AL9 7UR

    Received 25 May 2021
  14. Decided - Refused6/2017/2775/HOUSE

    Erection of single storey rear extension

    Gayton Ayot Little Green Lane Ayot St Peter Welwyn AL6 9BD

    Received 28 Nov 2017
  15. Decided - Granted6/2015/2052/EM

    Reduce and shape Oak tree by upto 4m

    37 Reddings, Welwyn Garden City, AL8 7LA

    Received 5 Oct 2015
  16. Decided - Granted6/2019/2346/FULL

    Erection of building for horticultural storage purposes

    Europlants Ltd, Great North Road, Hatfield, AL9 6DA

    Received 23 Sept 2019
  17. Decided - GrantedN6/2004/0008/FP

    RENEWAL OF PLANNING APPLICATION N6/1998/1063/FP (DOUBLE GARAGE AND FITNESS ROOM)

    Sawmill Cottage Waterend Lane Ayot St Peter Welwyn AL6 9BB

    Received 2 Sept 2009
  18. Decided - GrantedS6/2007/1977/FP

    TEMPORARY PLANNING PERMISSION FOR 5 YEARS FOR CHANGE OF USE FROM USE CLASS A1 TO USE CLASS A2

    7 MARKET PLACE, HATFIELD, HERTFORDSHIRE, AL10 0LJ

    Received 27 Dec 2007
  19. Decided - Granted6/2026/0105/HOUSE

    Erection of a single storey rear extension, first floor side extension, front porch and boundary wall with brick pillars, railings and vehicular entrance gate. Installation of an electric vehicle charger and rooflights to the front roof slope. Alterations to external materials, fenestration and hard and soft landscaping.

    60 Brookmans Avenue Brookmans Park AL9 7QQ

    Received 23 Jan 2026
  20. Decided - Granted6/2016/1159/HOUSE

    Erection of two storey side extension and addition of rear dormer to existing roof with roof windows

    88 Dellsome Lane, Welham Green, Hatfield, AL9 7ND

    Received 13 Jun 2016
  21. Decided6/2023/2325/TC

    1 x Silver Birch to fell in front garden as tree is dying

    11 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 17 Nov 2023
  22. Decided - Granted6/2021/2373/LAWP

    Certificate of lawfulness for the conversion of roof space to habitable use to include a rear dormer and 4 x front rooflights

    6 Firway Close Welwyn AL6 0RE

    Received 11 Aug 2021
  23. Decided - GrantedS6/2005/1435/FP

    REAR CONSERVATORY

    4 Cornflower Way Hatfield AL10 9FY

    Received 17 Nov 2005
  24. Decided - GrantedN6/2004/0890/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION FOLLOWING REMOVAL OF EXISTING CONSERVATORY.

    27 RUSSELCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL86QX

    Received 9 Jun 2004

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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