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
40,267Searchable applications
321Recorded as pending
86%Approval rate · 33,761 approved or refused records
4,813Refused applications

28,948 approved · 4,813 refused · 2,215 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - Granted6/2022/2804/COND

    Submission of details pursuant to condition number 2 (balustrades) on planning permission 6/2018/1879/HOUSE

    24 Heathbrow Road Welwyn AL6 0QG

    Received 12 Dec 2022
  2. Decided - Granted6/2022/0440/EM

    Erection of single story rear extension and loft conversion

    51 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 24 Feb 2022
  3. Decided - RefusedS6/2010/0270/LU

    CERTIFICATE OF LAWFULNESS FOR PROPOSED SINGLE STOREY REAR & SIDE EXTENSIONS. ALTERATION OF EXISITNG REAR HIP TO MAIN ROOF TO FORM A GABLE AND TWO SIDE DORMER WINDOWS

    53 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BD

    Received 16 Feb 2010
  4. Decided - GrantedN6/2015/1483/HH

    Erection of a single storey rear extension

    17A Station Road Digswell Welwyn AL6 0DU

    Received 13 Jul 2015
  5. Decided - Refused6/2018/0840/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension and front porch

    13 Swanley Crescent Little Heath Potters Bar EN6 1NQ

    Received 29 Mar 2018
  6. Decided - RefusedW6/2006/0328/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    28 Lowerfield, Welwyn Garden City, AL7 3JT

    Received 16 Mar 2006
  7. Decided - GrantedW6/2014/1459/EM

    Replace concrete and paved stoned area at front of property with permeable gravel finish

    6 Fearnley Road, Welwyn Garden City, AL8 6HW

    Received 27 Jun 2014
  8. Decided - Refused6/2016/1153/PN11

    Prior approval for a proposed change of use from office (class B1) to residential (class C3), to include the creation of 1no 4 bedroom house

    22B London Road Woolmer Green Knebworth SG3 6JP

    Received 7 Jun 2016
  9. Decided - Refused6/2021/2807/LAWP

    Certificate of lawfulness for external alterations to existing windows and bifold door.

    6 Parsonage Lane Welham Green Hatfield AL9 7LU

    Received 29 Sept 2021
  10. Decided6/2023/0357/TC

    Tree No. 1: False Acacia - Reduce in height by 30% due to excessive growth/shading with current height above our roof (previous work was done in 2013 by previous owners) and to allow natural light and help growing the lawn/plants in the garden and as part of ongoing maintenance of trees size. Trees No. 5 & 6: Box x 2 - Reduce in height by 2.5m to allow natural light and help growing the lawn/plants in the garden and as part of ongoing maintenance of trees size

    8 Welwyn Hall Gardens Welwyn AL6 9LF

    Received 15 Feb 2023
  11. Decided - Granted6/2016/1180/EM

    Reduce Magnolia tree by 25-30%

    2 The Links, Welwyn Garden City, AL8 7DS

    Received 15 Jun 2016
  12. Decided - Granted6/2019/1861/TPO

    Reduce 1x Oak tree crown by 305 (TPO 903)

    57 Hill Rise Cuffley Potters Bar EN6 4RX

    Received 24 Jul 2019
  13. Decided - GrantedS6/2009/2756/DS

    DISCHARGE OF CONDITION 7 (ARBORICULTURAL METHOD STATEMENT) FROM PLANNING PERMISSION S6/2007/1477/FP

    58 BLUEBRIDGE ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7SA

    Received 24 Dec 2009
  14. Decided - Granted6/2024/1305/EMT

    65ft Copper Beech to reduce by 30% 20ft Apple tree to reduce by 30%

    16 Pentley Park Welwyn Garden City AL8 7RU

    Received 9 Jul 2024
  15. Decided - Refused6/2016/1105/HOUSE

    Proposed demolition of existing conservatories, alterations to external openings, roof extension to create first floor, alterations to existing roof over existing side addition and re-direction of existing drive and removal of existing.

    Brook House, Bluebridge Road, Brookmans Park, Hatfield, AL9 7SX

    Received 3 Jun 2016
  16. Decided6/2020/2782/TC

    Reduction of two Ash trees in rear garden by 20% to previous cutting points, Reduction of Hawthorn in front garden to 1.5m and removal of ivy to encourage re-growth

    12 The Old Drive Welwyn Garden City AL8 6TB

    Received 23 Oct 2020
  17. Decided - Granted6/2019/2371/HOUSE

    Erection of two storey side extension and single storey rear extension

    15 Homestead Lane Welwyn Garden City AL7 4LT

    Received 25 Sept 2019
  18. Decided - GrantedN6/2009/1233/DS

    DISCHARGE OF CONDITION 4 (DETAILS OF WINDOWS AND DOORS) FROM PLANNING PERMISSION N6/2009/0464/FP

    66 Woodhall Lane, Welwyn Garden City, AL7 3TF

    Received 18 Jun 2009
  19. Decided - Granted6/2016/1465/HOUSE

    Erection of rear conservatory

    85 Warren Way Digswell Welwyn AL6 0DL

    Received 20 Jul 2016
  20. Decided - Granted6/2016/1137/LAWP

    Certificate of lawfulness for the proposed conversion of roof storage area into habitable room including the installation of 4no roof lights and internal staircase between first floor and roof area

    Netherfield, Vineyards Road, Northaw, Potters Bar, EN6 4PH

    Received 9 Jun 2016
  21. Decided - Granted6/2020/2178/TPO

    T1 - Beech - reduce by 3 meters and shape. T2 - Lawson Cyprus - fell.

    3 The Dell Digswell Welwyn AL6 0BQ

    Received 19 Aug 2020
  22. Decided - GrantedS6/2004/1653/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION

    Videne Hawkshead Road Little Heath Potters Bar EN6 1LX

    Received 9 Nov 2004
  23. Appeal Decided - Allowed6/2023/2095/HOUSE

    Erection of two first floor rear infill extensions

    4 Bradgate Close Cuffley Potters Bar EN6 4RF

    Received 16 Oct 2023
  24. Decided - GrantedW6/2007/1229/EM

    ERECTION OF A SINGLE STOREY SIDE EXTENSION

    WELWYN RUGBY FOOTBALL CLUB, Hobbs Way, Welwyn Garden City, AL8 6HX

    Received 14 Aug 2007

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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How to search planning applications

Guides to planning records

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  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    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.

  • 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.

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.

Check collection coverage