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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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - SplitS6/2014/2393/DM

    Prior approval for the demolition of a timber building

    Lineside Building to the North-West of, Brookmans Park Station Footbridge, Brookmans Park, Hatfield, AL9 7ST

    Received 29 Oct 2014
  2. Decided - Granted6/2024/1482/COND

    Submission of details pursuant of condition 1 (Surface Water Management Plan), condition 2 (Demolition & Environmental Management Plan), condition 3 (Construction & Environment Management Plan (Ecology), condition 4 (Waste Management Plan) and condition 6 (Tree Protection Measures) on planning permission 6/2023/1618/MAJ

    Hertfordshire Data Centre Mundells Welwyn Garden City AL7 1GE

    Received 5 Aug 2024
  3. Decided - Granted6/2020/2256/EMT

    Reduce 2x Red Oak Tree by 30%, Horse Chestnut Tree by 30% and fell of a Holly Tree.

    6 Brockett Close Welwyn Garden City AL8 7BN

    Received 3 Sept 2020
  4. Decided - GrantedW6/2005/1329/EM

    ERECTION OF SUMMER HOUSE IN REAR GARDEN

    45 Pentley Park, Welwyn Garden City, AL8 7SF

    Received 20 Oct 2005
  5. Decided6/2021/0216/TC

    Reduce 1 x Horse Chestnut tree (T1) by 20-30% reduce 1 x Lime tree (T2) by 20-30%, pollard 1 x Willow tree (T3) reduce 1 x Hornbeam tree (T4) by 20-30%, reduce 1 x Horse Chestnut tree (T5) by 20-30% Re-shape and reduce weight on top of 1 x Cedar tree (T6), remove lower branch of 1 x Oak tree (T7)

    Lower Meadow Hill Farm Lane Welwyn AL6 9BW

    Received 25 Jan 2021
  6. Decided - Granted6/2016/1775/EM

    Fell 2 Conifer trees

    3A Russellcroft Road, Welwyn Garden City, AL8 6QN

    Received 18 Aug 2016
  7. Decided - Granted6/2022/0308/HOUSE

    Repositioning of existing outbuilding

    2 Digswell Hill Welwyn Hertfordshire AL6 9AL

    Received 10 Feb 2022
  8. Decided - Granted6/2022/2720/COND

    Submission of details pursuant to condition 8 (Archaeological Written Scheme of Investigation) on planning application 6/2020/2248/OUTLINE (allowed under appeal)

    Roundhouse Farm Land Off Bullens Green Lane Colney Heath

    Received 30 Nov 2022
  9. Decided - RefusedS6/2004/0848/FP

    CHANGE OF USE FROM RESIDENTIAL DWELLING HOUSE, TO PART DAY NURSERY PART RESIDENTIAL DWELLING

    35 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 1 Jun 2004
  10. Decided - GrantedS6/2008/0236/FP

    ERECTION OF TWO STOREY FRONT EXTENSION

    1 Brookside Hatfield AL10 9RR

    Received 8 Feb 2008
  11. Appeal Decided - Dismissed6/2018/0719/FULL

    Retention of existing racking structures with a reduced height of 4 metres and omitting the roofs

    Wood Green Timber Company, Coopers Lane, Northaw, Potters, Bar EN6 4NE

    Received 16 Mar 2018
  12. Decided - Refused6/2016/2046/HOUSE

    Erection of single storey rear extension and conversion of loft from hip to gable with installation of rear dormer

    79 Homestead Road Hatfield AL10 0QP

    Received 4 Oct 2016
  13. Decided - Granted6/2022/1769/TPO

    1 x Oak to cut back to clear buildings by approximately 2m, remove all major deadwood. Tree covered by TPO 781 (2018) T1.

    Bellmont Lodge Sterling Court Mundells Welwyn Garden City AL7 1FX

    Received 27 Jul 2022
  14. Decided - GrantedN6/2014/2154/FP

    Change of use and conversion of existing outbuilding to a residential two bedroom dwelling with car parking

    2 Whitehill, Ayot St Peter, Welwyn, AL6 9AF

    Received 30 Sept 2014
  15. Decided - Granted6/2021/1885/LAWP

    Certificate of lawfulness for a loft conversion

    18 Moffats Lane Hatfield AL9 7RU

    Received 21 Jun 2021
  16. Decided - WithdrawnS6/2014/1973/LB

    Erection of single storey side extension

    North Lodge Holwell Court Hatfield AL9 5RL

    Received 3 Sept 2014
  17. Decided - Granted6/2020/0377/HOUSE

    Installation of 4x rooflights to facilitate loft conversion and doors at 2nd floor level with juliet balcony.

    6 Akers Court Welwyn AL6 9FF

    Received 11 Feb 2020
  18. Decided - GrantedS6/2004/1446/FP

    ERECTION OF CONSERVATORY TO SIDE ELEVATION

    11 East Ridgeway Cuffley Potters Bar EN6 4AW

    Received 30 Sept 2004
  19. Decided - Withdrawn6/2021/1652/TC

    Removal of Holly Hedge (H1)

    The Old Manse 40 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 24 May 2021
  20. Decided - Refused6/2016/0134/LAWP

    Certificate of lawfulness for House in Multiple Occupation

    14 Fillingham Way Hatfield AL10 9GE

    Received 26 Jan 2016
  21. Decided - Refused6/2017/1102/EM

    Erection of part one and two storey side and rear extension and extension of existing garage, including installation of garage doors following removal of existing garage door and enlargement to existing driveway

    28 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 22 May 2017
  22. Decided - GrantedS6/2014/0584/LUP

    Certificate of lawfulness for proposed partial garage conversion to habitable accommodation and alterations to rear elevation

    365 St Albans Road West, Hatfield, AL10 9RU

    Received 26 Mar 2014
  23. Decided - Refused6/2022/1854/HOUSE

    Erection of single storey extension to the flank garage with a flat roof

    78 Bell Lane Brookmans Park Hatfield AL9 7AY

    Received 8 Aug 2022
  24. Decided - Granted6/2016/2389/HOUSE

    Erection of single storey and part two storey rear extension with alterations to openings

    60 Handside Lane, Welwyn Garden City, AL8 6SJ

    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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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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