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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 10 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2014/2501/FP

    Erection of rear conservatory following demolition of existing conservatory

    22 Roman Way Welwyn AL6 9RJ

    Received 17 Nov 2014
  2. Decided - Granted6/2020/0896/EMT

    Fell 1 x Cypress Tree [T4]

    5 Pitsfield Welwyn Garden City AL8 7SJ

    Received 20 Apr 2020
  3. Decided - Granted6/2021/1912/HOUSE

    Erection of a two storey rear extension and first floor side extension

    4 Tolmers Gardens Cuffley Potters Bar EN6 4JE

    Received 23 Jun 2021
  4. Decided - GrantedS6/2004/0996/FP

    ERECTION OF GARAGE AND GARDEN STORE

    Old Forge Cottage Coopers Green Lane St Albans AL4 9HL

    Received 1 Jul 2004
  5. Decided - Granted6/2018/2945/HOUSE

    Erection of single storey side and two storey rear extension following demolition of side garage and utility room, alterations to openings, removal of rear chimney and front canopy and enlargement of driveway

    50 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 15 Nov 2018
  6. Decided - Granted6/2024/0147/EMT

    2 Hornbeam - reduce in height and width by 2 meters

    73 Thistle Grove Welwyn Garden City AL7 4AG

    Received 25 Jan 2024
  7. Decided - Granted6/2017/1487/HOUSE

    Erection of a single storey rear extension

    5 Glebe Close Essendon Hatfield AL9 6HZ

    Received 7 Jul 2017
  8. Decided - GrantedW6/2004/1580/EM

    ERECTION OF REAR CONSERVATORY

    32 Vine Close, Welwyn Garden City, AL8 7PS

    Received 22 Oct 2004
  9. Decided - Granted6/2020/2907/HOUSE

    Erection of a single storey front extension, part single, part two storey side and rear extension with roof light, alterations to existing window openings, proposed new window openings and associated front and rear garden landscaping works following demolition of existing rear outbuilding

    11 Parsonage Road Welham Green Hatfield AL9 7NA

    Received 6 Nov 2020
  10. Decided - Granted6/2020/0147/EM

    Reduce 2x Sycamore trees by 4m in height and 2m in width

    103 Attimore Road Welwyn Garden City AL8 6LG

    Received 21 Jan 2020
  11. Decided - Granted6/2023/1721/HOUSE

    Replacement windows and door to the front and rear of the property

    3 Mill Lane Welwyn AL6 9EY

    Received 15 Aug 2023
  12. Decided6/2024/0526/TC

    Fell x1 dead Pine tree to ground level. Tree has lost all needles and could pose risk to buildings

    1 High Grove Welwyn Garden City AL8 7DW

    Received 18 Mar 2024
  13. Decided - Granted6/2016/0260/EM

    Erection of single storey rear extension

    10 Dodwood, Welwyn Garden City, AL7 3HE

    Received 10 Feb 2016
  14. Decided - GrantedN6/2013/2079/DS

    Discharge of condition 3 (materials) of planning permission N6/2013/0645/FP & N6/2013/0625/LB

    22 - 24 Lemsford Village, Welwyn Garden City, AL8 7TN

    Received 30 Sept 2013
  15. Decided - Granted6/2021/0342/EMT

    Fell 1 x Apple tree (T1)

    6 Warren Dale Welwyn Garden City AL8 7HN

    Received 2 Feb 2021
  16. Decided - Granted6/2023/0956/LAWP

    Certificate of lawfulness for erection of an outbuilding for car storage

    Woodhurst Cattlegate Road Northaw Potters Bar EN2 8AU

    Received 4 May 2023
  17. Decided - GrantedS6/2009/1853/FP

    PROPOSED TWO STOREY SIDE AND SINGLE STOREY FRONT EXTENSION

    43 Hillcrest Hatfield AL10 8EZ

    Received 25 Aug 2009
  18. Decided - GrantedW6/2014/0719/TE

    Removal of Cherry tree

    33 Vine Close, Welwyn Garden City, AL8 7PS

    Received 31 Mar 2014
  19. Decided - Granted6/2016/2122/COND

    Approval of details reserved by condition 8 (Fire Hydrant Provision) on planning permission 6/2015/1835/FULL

    2A Woodland Way Welwyn AL6 0RZ

    Received 11 Oct 2016
  20. Decided - Refused6/2018/2824/HOUSE

    Erection of single storey front extension to existing garage to facilitate conversion of garage & part single part two storey rear extension following demolition of existing conservatory & alterations to openings

    107 Eddington Crescent Welwyn Garden City AL7 4SX

    Received 2 Nov 2018
  21. Decided - GrantedN6/2013/2056/LUE

    Certificate of lawfulness for the continued use of the Grooms Cottage as a separate self-contained dwelling (use class C3)

    Grooms Cottage, Roebuck Farm, Lemsford Village, Welwyn Garden City, AL8 7TR

    Received 24 Sept 2013
  22. Decided - Refused6/2017/1234/HOUSE

    Erection of a double garage

    2A Whitehill Ayot St Peter Welwyn AL6 9AF

    Received 5 Jun 2017
  23. Decided - Granted6/2017/2566/HOUSE

    Installation of front window to replace garage door in order to facilitate conversion of integral garage to habitable space with gallery, installation of 3 new and 3 replacement rooflights to rear elevation and replacement glazing and roof

    9 Digswell House Mews Monks Rise Welwyn Garden City AL8 7AT

    Received 7 Nov 2017
  24. Decided - GrantedS6/2008/1713/FP

    DEMOLITION OF INDOOR RIDING ARENA, REDUNDANT AGRICULTURAL AND STORAGE BUILDINGS AND MANEGE. CONVERSION OF BRICK AND TIMBER FRAMED BARNS TO B1(A) OFFICE USE. ERECTION OF A REPLACEMENT BARNS FOR B1(A) USE. LAYOUT OF PARKING AREAS AND ALL ANCILLARY WORKS INCLUDING ERECTION OF ESTATE GATES

    Essendonbury Farm Essendon Hill Essendon Hatfield AL9 6AF

    Received 6 Sept 2008

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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    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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