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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
30,158Searchable applications
303Recorded as pending
87%Approval rate · 25,074 approved or refused records
3,321Refused applications

21,753 approved · 3,321 refused · 1,605 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 18 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2024/1991/TPO

    T1 Cedar tree is to be reduced back 2.5m away from building. (TPO 189 T11)

    Hill House Newgate Street SG13 8RG

    Received 16 Oct 2024
  2. Decided - Granted6/2016/0682/TPO

    Removal of Ash tree - Conservation Area

    11 Farm Close, Welwyn Garden City, AL8 6RP

    Received 30 Mar 2016
  3. Decided - Granted6/2023/1483/EMT

    1 x Cherry to dismantle in sections to ground level 1 x Apple to reduce main leader by approximately 2m creating a more natural form, reduce width by 1.2m

    14 Guessens Road, Welwyn Garden City, AL8 6QR

    Received 17 Jul 2023
  4. Decided - Granted6/2023/0177/HOUSE

    Erection of a single storey front porch extension with canopy and replacement of existing conservatory rear wall and roof

    50 Hawbush Rise Welwyn Hertfordshire AL6 9PP

    Received 24 Jan 2023
  5. Decided - Granted6/2025/2200/TPO

    TPO 673 Rear T1 - 1 x Beech to reduce by approximately 1.5m in height and width, lift canopy to approximately 4m above ground level. Tree is large and dominating back garden causing darkness and shading G1 - 2 x Hornbeam to reduce lateral branches growing towards the house by 2.5m, full height of the tree. To prevent excess overhang Front T3 - 1 x Hornbeam to reduce lateral branches growing towards neighbouring property by 2m. Reduce branches growing over garage by 2m. Lift canopy to approximately 5m above ground level. To prevent excessive overhang to neighbours property and allow more light and air to garage roof

    25 Oaklands Rise Welwyn AL6 0RN

    Received 15 Oct 2025
  6. Decided - Granted6/2023/0402/COND

    Submission of details pursuant to condition 1 (External materials -bricks and roof slate) on planning permission 6/2022/2715/LB

    10 Park Street Hatfield Hertfordshire AL9 5AX

    Received 21 Feb 2023
  7. Decided - Granted6/2021/1902/HOUSE

    Erection of new front porch canopy and gable to existing bay window

    46 Holloways Lane Welham Green Hatfield AL9 7NS

    Received 22 Jun 2021
  8. Decided - GrantedW6/2014/0622/EM

    Erection of rear conservatory

    4 Lodgefield, Welwyn Garden City, AL7 1SD

    Received 26 Mar 2014
  9. Decided - Granted6/2024/2110/EM

    Construct a largely timber Garden Room in the rear garden

    6 Parkway Close Welwyn Garden City AL8 6HJ

    Received 31 Oct 2024
  10. Decided - Granted6/2024/0410/TPO

    T2 Pine- to lower the height to suitable growth points up to 3 metres. T3 Pine- to lower the height to suitable growth points up to 1.5 - 2 meters. T4 Pine- to lower the height to suitable growth points up to 1.5 - 2 metres. T5 Pine- to lower the height to suitable growth points up to 2 metres. Trees within TPO 640 (2017) G2

    11A Heath Road Welwyn AL6 0TP

    Received 4 Mar 2024
  11. Decided - Granted6/2022/1982/EMT

    Lawson cypress to reduce by approximately 4ft from highest point, trim all sides. 1 x Castlewellan Gold (rear of 2) to cut to ground level Castlewellan Gold hedge to reduce by approximately 2ft and trim sides 1 x Laurel to reduce to approximately 1ft above fence height 1 x Beech to remove overlong limb, trim remaining for a more symmetrical shape.

    13 The Valley Green, Welwyn Garden City, AL8 7DQ

    Received 25 Aug 2022
  12. Decided - GrantedN6/2014/2548/FP

    Erection of single storey side and two storey rear extension

    5 Oak Road Woolmer Green Knebworth SG3 6LS

    Received 20 Nov 2014
  13. Decided - WithdrawnC6/1987/7008/AD

    Illuminated sign

    2 Church Road, Welwyn Garden City, AL8 6PT

    Received 1 Jan 1987
  14. Decided - Granted6/2024/0751/EMT

    40ft Oak crown reduction by 30%

    86 The Vineyard Welwyn Garden City AL8 7PU

    Received 23 Apr 2024
  15. Decided - Granted6/2019/0326/COND

    Submission of details pursuant to condition 1 (material samples for external surfaces) on planning permission 6/2018/2315/HOUSE

    103 Longcroft Lane Welwyn Garden City AL8 6EL

    Received 12 Feb 2019
  16. Decided - Granted6/2021/1956/HOUSE

    Erection of a part single part two storey rear extension, single storey side porch extension and conversion of attached outbuilding.

    33 Wilga Road Welwyn AL6 9PT

    Received 28 Jun 2021
  17. Decided - Refused6/2025/0423/FULL

    Erection of a dwelling with vehicle and pedestrian access

    37 Honeysuckle Gardens Hatfield AL10 8PL

    Received 6 Mar 2025
  18. Decided - Granted6/2018/2682/HOUSE

    Erection of single storey front, side and rear extensions including alterations to openings

    5 Ash Close Brookmans Park Hatfield AL9 7AX

    Received 18 Oct 2018
  19. Appeal Decided - Allowed6/2017/1340/VAR

    Variation of condition 3 (materials) on planning permission S6/2014/2388/FP dated 11/12/2014

    55 Homewood Avenue Cuffley Potters Bar EN6 4QQ

    Received 21 Jun 2017
  20. Decided - Withdrawn6/2025/0679/HOUSE

    Erection of a single storey side/rear extension with alterations to openings on side and rear elevations following the demolition of timber garage

    66 Heronswood Road Welwyn Garden City AL7 3ES

    Received 8 Apr 2025
  21. Decided - Withdrawn6/2020/2787/EMH

    Erection of single storey side extension, entrance porch and part single part two storey rear extension, with associated alterations to openings, following demolition of existing side extension and porch.

    52 Attimore Road Welwyn Garden City AL8 6LP

    Received 13 Oct 2020
  22. DecidedN6/2014/2198/TC

    Removal of Conifer tree from front garden and reduce Silver Birch tree by 33% plus remaoval of dead branch. Removal of conifer in rear garden

    9 Pitsfield, Welwyn Garden City, AL8 7SJ

    Received 6 Oct 2014
  23. Decided - WithdrawnN6/2013/2623/FP

    Alterations to vehicle access

    Welwyn Garden City Golf Club Ltd, Mannicotts, Welwyn Garden City, AL8 7BP

    Received 16 Dec 2013
  24. Decided - GrantedS6/2014/1715/LUP

    Certificate of lawfulness for the erection of outbuilding/garage to the rear of garden

    2 Bacons Drive Cuffley Potters Bar EN6 4EF

    Received 30 Jul 2014

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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

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    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

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  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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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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