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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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/1638/COND

    Submission of details pursuant to condition 1 (sample of materials) and 2 (arboricultural method statement and a tree protection plan) on planning permission 6/2020/0809/HOUSE

    94 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 8 Jul 2020
  2. Appeal Decided - DismissedN6/2009/2089/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION

    24 Reynards Road Welwyn AL6 9TP

    Received 23 Sept 2009
  3. Decided - Granted6/2025/0175/HOUSE

    Erection of a single storey rear extension and first floor side extension following the demolition of existing conservatory

    21 Waterbeach Welwyn Garden City AL7 2PT

    Received 3 Feb 2025
  4. Decided - Granted6/2021/0293/VAR

    Removal of condition 4 (Restricting Permitted Development Rights) on planning permission N6/2000/1090/FP (conversion of existing stable to form residential dwelling).

    2 Whitehill Welwyn AL6 9AF

    Received 1 Feb 2021
  5. Decided - RefusedS6/2008/1209/OP

    OUTLINE PLANNING FOR ERECTION OF ONE BLOCK OF 12 FLATS FACING LEMSFORD ROAD AND ONE BLOCK OF 12 FLATS FACING ELY CLOSE FOLLOWING DEMOLITION OF EXISTING DWELLINGS (WITH LANDSCAPING AS A RESERVED MATTERS)

    35 & 37 LEMSFORD ROAD, HATFIELD, HERTFORDSHIRE, AL10 0DL

    Received 11 Jul 2008
  6. Decided - Granted6/2017/1104/HOUSE

    Erection of brick store in rear garden following demolition of existing timber store.

    18 Daisy Drive Hatfield AL10 9FR

    Received 22 May 2017
  7. Decided - Granted6/2017/2352/HOUSE

    Erection of rear conservatory following demolition of existing conservatory

    3 Langstone Ley Welwyn Garden City AL7 1FF

    Received 12 Oct 2017
  8. Decided - GrantedS6/2014/0277/DS

    Discharge of condition 4 (drawings showing the extent of demolition) & condition 5 (samples of materials) of planning permission S6/2013/2621/FP

    70 Bell Lane, Brookmans Park, Hatfield, AL9 7AY

    Received 12 Feb 2014
  9. Decided - Granted6/2026/1453/COND

    Submission of details pursuant to Condition 1 (Biodiversity Gain Plan), Condition 2 (Habitat Management and Monitoring Plan) and Condition 3 (Construction Environmental Management Plan) on planning permission 6/2026/0205/MAJ

    Monks Walk School Knightsfield Welwyn Garden City AL8 7NL

    Received 18 Aug 2026
  10. Decided - Granted6/2025/1613/EM

    Installation of Solar Panels

    39 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 28 Jul 2025
  11. Decided6/2018/0987/TPO

    Fell 1 x Sycamore tree and replace with slower growing, native specimen tree - conservation area

    190 Handside Lane Welwyn Garden City AL8 6TD

    Received 17 Apr 2018
  12. Decided - Granted6/2026/0987/LAWP

    Certificate of lawfulness for proposed alterations to the existing carport and garden room

    57 Briars Lane Hatfield AL10 8EX

    Received 4 Jun 2026
  13. Decided - Granted6/2020/0451/EMT

    Fell 1 x Conifer tree

    1 Mayfield Welwyn Garden City AL8 7EL

    Received 18 Feb 2020
  14. Decided - Granted6/2021/2554/HOUSE

    Demolition of side porch and rear conservatory, erection of two storey side and single storey rear extension; and changing existing single storey rear extension's roof from pitched to flat

    187 Knella Road Welwyn Garden City AL7 3NT

    Received 1 Sept 2021
  15. Decided - Withdrawn6/2021/1016/HOUSE

    Erection of replacement conservatory, modification to entrance steps, rear living room window replaced with french doors, relocation of existing ensuite rooflight and internal alterations

    8 Mimram Place Welwyn AL6 9HQ

    Received 26 Mar 2021
  16. Decided - Granted6/2019/1701/TPO

    Fell 1 x Sycamore

    28 London Road Welwyn AL6 9JD

    Received 10 Jul 2019
  17. Decided - Granted6/2024/1344/EMT

    1x Cherry Located in the back garden of 70 Digswell Park Road, tree is rotten at the base and has a heavy lean over the neighbours garden, so we wish to fell the tree

    70 Digswell Park Road Welwyn Garden City AL8 7NS

    Received 12 Jul 2024
  18. Decided - Refused6/2016/1378/HOUSE

    Erection of part single part two storey side and rear extensions and alterations to roof

    95 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QG

    Received 6 Jul 2016
  19. Decided6/2022/0622/TC

    1 x Lawson Cypress to fell to ground level. Tree is lifting patio slabs and damaging a raised flowerbed wall.

    30 Applecroft Road Welwyn Garden City Hertfordshire AL8 6LA

    Received 16 Mar 2022
  20. Decided - Granted6/2024/2255/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.7m in height, 3.8m in depth and 2.81m to the eaves

    10 Frampton Road Little Heath Potters Bar EN6 1JE

    Received 25 Nov 2024
  21. Decided - Granted6/2018/0791/EM

    Erection of a shed in rear garden

    6 Fordwich Road Welwyn Garden City AL8 6EY

    Received 22 Mar 2018
  22. Decided - Granted6/2017/2390/HOUSE

    Erection of two storey side extension, following demolition of existing garage and single storey rear extension.

    4 Hamilton Court Hatfield AL10 8XU

    Received 18 Oct 2017
  23. Decided - Granted6/2024/0017/COND

    Submission of details pursuant to condition number 29 (acoustic report) and condition number 40 (written statement) on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 3 Jan 2024
  24. Decided - Granted6/2020/1247/EM

    Erection of garden room

    220 Daniells Welwyn Garden City AL7 1QQ

    Received 3 Jun 2020

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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