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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
39,067Searchable applications
344Recorded as pending
86%Approval rate · 32,655 approved or refused records
4,679Refused applications

27,976 approved · 4,679 refused · 2,142 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/0689/LAWP

    Conversion of garage into habitable room and alterations to the fenestration

    2 Feather Dell Hatfield AL10 8DD

    Received 11 Apr 2024
  2. Decided - Granted6/2019/1533/FULL

    Temporary provision of 3 classroom block; additional car and cycle parking spaces; regularisation of existing parking arrangements

    Stanborough School Lemsford Lane Welwyn Garden City AL8 6YR

    Received 24 Jun 2019
  3. Decided - Granted6/2018/3223/HOUSE

    Erection of single storey rear extensions, two storey side extension and an increase in ridge height and installation of front and rear dormers to facilitate a loft conversion

    The Willows 1A Wood View Cuffley Potters Bar EN6 4RE

    Received 18 Dec 2018
  4. Decided - Granted6/2021/0901/EMT

    T1 maple tree - fell T2 apple tree - crown reduction by 1-2m. T3 Holly tree - reduce height by 2m. T4 Yew tree - reduce height by 2-3m

    18 Dellcott Close Welwyn Garden City AL8 7BD

    Received 19 Mar 2021
  5. Decided - Granted6/2025/1972/TPO

    TPO 884 - T2 Oak crown reduction back to previous reduction points, reducing all round by approx. 1-1.5m to suitable growth points. Crown thin crown epicormic growth by 30%

    5 Leefe Way Cuffley Potters Bar EN6 4DF

    Received 15 Sept 2025
  6. Decided - WithdrawnN6/2009/0437/FP

    DEMOLITION OF BURNHAM HOUSE AND FORMATION OF 60 CAR PARKING SPACES FOR USE BY KEY WORKERS AT WOOLMER HOUSE

    QUEEN ELIZABETH II HOSPITAL, HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4HQ

    Received 24 Feb 2009
  7. Decided - Granted6/2021/2317/ADV

    Installation of 4 x non illuminated fascia signs and 4 x non illuminated hoarding signs.

    WM Morrison Supermarkets PLC Black Fan Road Welwyn Garden City AL7 1RY

    Received 4 Aug 2021
  8. Decided - GrantedS6/2008/0224/FP

    ERECTION OF FRONT BOUNDARY WALL AND GATE

    70 MYMMS DRIVE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AD

    Received 6 Feb 2008
  9. Decided - GrantedW6/2013/0055/EM

    Retention of front vehicle hardstanding

    73 Valley Road, WELWYN GARDEN CITY, AL8 7DR

    Received 11 Jan 2013
  10. Decided - Withdrawn6/2020/0450/EM

    Installation of 3x Velux Rooflights to facilitate loft conversion

    37 Sherrardspark Road Welwyn Garden City AL8 7JY

    Received 18 Feb 2020
  11. Decided - Granted6/2020/0371/LAWP

    Certificate of lawfulness for hip to gable loft conversion and erection of rear dormer

    21 Bluebridge Road Hatfield AL9 7UW

    Received 10 Feb 2020
  12. Decided - GrantedS6/2007/1946/AD

    INSTALLATION OF ONE EXTERNALLY ILLUMINATED PANAL SIGN, ONE BACK-LIT FASCIA SIGN, TWO NON ILLUMINATED PANAL SIGNS AND ONE NON ILLUMINATED COLLEGE CREST.

    THE ROYAL VETERINARY COLLEGE, HAWKSHEAD LANE, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7TA

    Received 18 Dec 2007
  13. Decided - GrantedS6/2007/1436/FP

    PROPOSED CHANGE OF USE OF ONE ROOM WITHIN A RESIDENTIAL PROPERTY AS A PHYSIOTHERAPY TREATMENT ROOM

    67 THE MEADWAY, CUFFLEY, HERTS, EN6 4ET

    Received 21 Sept 2007
  14. Decided6/2018/2114/TPO

    Fell 1 x Eucalyptus tree (T1) to ground level - Conservation Area

    84 Handside Lane Welwyn Garden City AL8 6SJ

    Received 10 Aug 2018
  15. Decided - GrantedS6/2013/0176/LUP

    Certificate of lawfulness for the formation of loft conversion

    40 Westland Drive, Brookmans Park, HATFIELD, AL9 7UQ

    Received 24 Jan 2013
  16. Decided - Granted6/2025/2322/EM

    Part two storey and single storey rear extension, part garage conversion including raising of roof and alterations to openings on side and rear elevations

    71 Valley Road Welwyn Garden City AL8 7DR

    Received 3 Nov 2025
  17. Decided - Granted6/2021/0030/LAWP

    Certificate of lawfulness for the conversion of a loft with rear dormer and veluxes to front slope

    78 Wellcroft Road Welwyn Garden City AL7 3JY

    Received 6 Jan 2021
  18. Decided - Withdrawn6/2019/2397/EM

    Erection of single storey side extension

    180 Heronswood Road Welwyn Garden City AL7 3EU

    Received 26 Sept 2019
  19. Decided - WithdrawnN6/2008/0997/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION AND DETACHED GARAGE

    4 THE GLADE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LG

    Received 27 Jun 2008
  20. Awaiting completion S106 and/or Referral SoS6/2025/1458/MAJ

    Erection of a solar farm with a capacity of 16MW comprising solar PV panels and ancillary development.

    Land at Tollgate Farm Welham Green AL4 0NY

    Received 8 Jul 2025
  21. Decided - Withdrawn6/2025/0256/TPO

    H3 Mixed Species Hedge. Remove section of hedge along left flank of the property to achieve 1m of clearance to the front left corner do not treat stumps due to translocation risk. To stop the influence of the tree(s) on the soil below building foundation level and provide long term stability at 47 Pentley Park. Hedge is jointly owned with number 46 Pentley Park

    47 Pentley Park Welwyn Garden City AL8 7SF

    Received 10 Feb 2025
  22. Decided - GrantedN6/2013/1723/S73B

    Variation of condition 1 (time limit) from planning permission N6/2010/1426/FP - Proposed front porch and two rear dormer windows

    6 Canonsfield Welwyn AL6 0QD

    Received 2 Aug 2013
  23. Decided - Granted6/2026/1341/EM

    Proposed electric vehicle car charger to the front of the house

    14 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 30 Jul 2026
  24. Decided - Granted6/2023/0070/EM

    Erection of a single storey rear extension following demolition of existing conservatory and garage conversion, plus alterations to external openings to rear

    221 Heronswood Road, Welwyn Garden City, AL7 3JH

    Received 11 Jan 2023

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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