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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
40,233Searchable applications
309Recorded as pending
86%Approval rate · 33,741 approved or refused records
4,811Refused applications

28,930 approved · 4,811 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - Granted6/2024/0736/HOUSE

    Erection of a single storey rear extension with insertion of rooflight and alterations to openings to existing rear elevation

    56 Marley Road Welwyn Garden City AL7 4BS

    Received 19 Apr 2024
  2. Decided - GrantedN6/2010/0308/TC

    REDUCE CROWN OF HAZEL TREE BY 50%

    60 BRIDGE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6UR

    Received 16 Feb 2010
  3. Decided - Refused6/2016/2246/FULL

    Erection of new dwelling following demolition of garage

    Land to the rear of 10 Parsonage Road Welham Green Hatfield AL9 7LZ

    Received 26 Oct 2016
  4. Decided - Withdrawn6/2022/0166/HOUSE

    Erection of ground floor front infill extensions, alterations to the roof to form a gable end with an increase in ridge height and front and rear dormers, and front porch with a pitched roof

    6 King James Avenue Cuffley Potters Bar EN6 4LR

    Received 24 Jan 2022
  5. Decided6/2020/0911/TC

    Reduce 1 x Apple Tree [T1] by 30% Fell 1 x Judas Tree [T2] Fell 1 x Beech Tree [T3] Fell 1 x Tree [T4] Species Not known, possibly Poplar. Fell 1 x Locust Tree [T5] Reduce 1 x Hedge Hawthorn and Blackthorn [H6] by 30% Reduce 1 x Hedge Lawson Cypress [H7] by 30%

    The Manor House Essendon Hill Essendon Hatfield AL9 6AJ

    Received 21 Apr 2020
  6. Decided - Refused6/2020/2346/FULL

    Erection of duplex unit to accommodate a one bedroom flat

    38 Heron Way Hatfield AL10 8QX

    Received 14 Sept 2020
  7. Decided - Withdrawn6/2021/2856/VAR

    Variation of condition 3 (window amendments) on planning permission 6/2021/0423/HOUSE

    11 The Green Welwyn AL6 9EA

    Received 5 Oct 2021
  8. Decided - Granted6/2018/1277/EM

    Reduce 1 x Bay tree and 1 x Mulberry tree by up to 30% -

    12 The Pastures Welwyn Garden City AL7 4PX

    Received 10 May 2018
  9. Decided - GrantedS6/2004/1319/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    10 Frowick Close Welham Green Hatfield AL9 7LS

    Received 31 Aug 2004
  10. Decided - Refused6/2024/0320/HOUSE

    Erection of single-storey rear extension and two storey side/front extension, alterations to the roof to form a gable roof and gable front projection, following the demolition of existing conservatory with associated internal alterations

    24 Selwyn Avenue Hatfield AL10 9NP

    Received 19 Feb 2024
  11. Decided - GrantedN6/2007/1664/TP

    CUTTING BACK TO PREVIOUS LEVEL OF FIVE SWEET CHESTNUT TREES T3, T5, T6, T7, T8 COVERED BY TPO 103

    4 Copper Beeches Welwyn AL6 0SS

    Received 6 Nov 2007
  12. Decided - Withdrawn6/2020/2063/HOUSE

    Erection of a single story rear extension

    161 Parkway Welwyn Garden City AL8 6JA

    Received 16 Aug 2020
  13. Decided - GrantedN6/2004/0697/FP

    ERECTION OF FRONT PORCH

    Meadow Cottage 7 Ayot Green Welwyn

    Received 11 May 2004
  14. Decided - Granted6/2016/0640/LAWP

    Certificate of lawfulness for the garage conversion into habitable room and installation of window to brick infill

    7 Cypress Avenue, Welwyn Garden City, AL7 1HN

    Received 7 Apr 2016
  15. Decided - Granted6/2021/2362/HOUSE

    Erection of two storey side extension and single storey side/rear extension.

    31 Lemsford Lane Welwyn Garden City AL8 6YN

    Received 10 Aug 2021
  16. Decided - GrantedN6/2004/0661/AG

    FORMATION OF A NEW AGRICULTURAL ACCESS TRACK

    LAND AT, STANBOROUGHBURY FARM, COOPERS GREEN LANE, WELWYN GARDEN CITY, HERTFORDSHIRE., AL8 7XA

    Received 20 May 2004
  17. Decided - GrantedS6/2004/0849/LB

    CONVERSION OF BUILDING INTO ONE 1 BEDROOM AND FIVE 2 BEDROOM APARTMENTS WITH 12 PARKING SPACES

    THE ACCOMMODATION BLOCK, ASTWICK MANOR, COOPERS GREEN LANE, HATFIELD, HERTFORDSHIRE, AL10 9BQ

    Received 7 Jun 2004
  18. Decided6/2018/2694/TPO

    Reduce crown of 1 x Magnolia tree by 1.5m and Fell 1 x Eucalyptus tree-Conservation area

    21 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 22 Oct 2018
  19. Decided - GrantedS6/2014/0620/LUP

    Certificate of lawfulness for proposed hip to gable extension and rear dormer

    118 Hawkshead Road, Little Heath, Potters Bar, EN6 1NG

    Received 26 Mar 2014
  20. Decided - Granted6/2021/0533/HOUSE

    Erection of a single and two storey rear extension garage conversion to habitable accommodation and replacement front canopy

    17 The Valley Green Welwyn Garden City AL8 7DQ

    Received 18 Feb 2021
  21. Decided - Granted6/2019/2540/EM

    Fell 1 x Cherry Plum tree

    58 Crossway Welwyn Garden City AL8 7EE

    Received 9 Oct 2019
  22. Decided - Granted6/2018/2865/HOUSE

    Erection of single storey front and side extension

    30 Bradgate Cuffley Potters Bar EN6 4RL

    Received 7 Nov 2018
  23. Decided - GrantedS6/2013/0495/FP

    Erection of new entrance gates and wall with lighting

    TOLMERS MEWS, Newgate Street, HERTFORD, SG13 8RG

    Received 12 Mar 2013
  24. Decided - GrantedW6/2006/0500/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    12 Lowerfield, Welwyn Garden City, AL7 3JT

    Received 18 Apr 2006

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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