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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
40,075Searchable applications
300Recorded as pending
86%Approval rate · 33,611 approved or refused records
4,797Refused applications

28,814 approved · 4,797 refused · 2,204 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 30 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2025/0145/FULL

    Retrospective change of use from the existing industrial unit to use as a gym facility for individual and small group personal training, with no external developmental changes or alterations

    17B Southfield Welwyn Garden City AL7 4ST

    Received 28 Jan 2025
  2. Decided - GrantedN6/2004/0474/FP

    CHANGE OF USE FROM OFFICE/STORAGE TO A CHIROPRACTORS CLINIC (CLASS D1)

    30A High Street Welwyn AL6 9EQ

    Received 25 Mar 2004
  3. Decided - Granted6/2015/1774/MAJ

    Erection of 18 flats, provision of car parking, amenity space and amended access arrangements

    71 Great North Road Hatfield AL9 5EN

    Received 20 Aug 2015
  4. Decided - GrantedN6/2004/0212/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION

    55 Handside Lane Welwyn Garden City AL8 6SH

    Received 13 Feb 2004
  5. Decided - Split6/2023/0369/COND

    Submission of details pursuant to conditions 1 (samples of materials), 2 (crown roof), 3 (windows), 4 (hard and soft landscape) on planning permission 6/2022/2821/FULL

    17 Brookmans Avenue Brookmans Park AL9 7QH

    Received 17 Feb 2023
  6. Decided - Granted6/2018/1570/COND

    Submission of details pursuant to condition 2 (Arboriculture Method statement ) on planning permission 6/2018/0511/HOUSE

    74 Hill Rise Cuffley Potters Bar EN6 4RH

    Received 12 Jun 2018
  7. Decided - GrantedN6/2009/2419/TE

    REMOVAL OF WILLOW TREE IN REAR GARDEN

    4 HIGH OAKS ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BH

    Received 9 Nov 2009
  8. Decided6/2018/2116/TPO

    Reduce 1 x Beech tree (T1) by 20% and crown lift 1 x Indian Bean tree (T2) to clear 4 metres - conservation area

    39 Turmore Dale Welwyn Garden City AL8 6HT

    Received 10 Aug 2018
  9. Decided - Granted6/2020/1216/HOUSE

    Erection of outbuilding

    13 Roe Green Close Hatfield AL10 9PD

    Received 1 Jun 2020
  10. Decided - Granted6/2017/0773/LAWP

    Certificate of lawfulness for the conversion of loft

    44 Somers Road Welham Green Hatfield AL9 7PY

    Received 18 Apr 2017
  11. Decided - Withdrawn6/2016/2290/PN15

    Prior approval for the installation of a 13.7 metre high Phase 4 monopole with attached lamp arm and a Pogona cabinet, measuring 1230 x 400 x 1032mm, located at ground level and associated development following removal of existing 10 metre high monopole and lamp arm

    Verge on Panshanger Drive, Streetlamp near Morrisons Supermarket, Welwyn Garden City AL7 2LU

    Received 2 Nov 2016
  12. Decided - Withdrawn6/2026/0490/TPO

    2x Conifers to remove to ground level - The two conifer trees are located in close proximity to the property and surrounding structures. Due to their position and continued growth, there is concern that root development may begin to impact nearby foundations and hard surfaces. Removal is therefore requested to prevent potential structural damage and future management issues TPO 1072 (2023) G6

    14 Westcott Welwyn Garden City AL7 2PP

    Received 17 Mar 2026
  13. Decided - Refused6/2017/0418/LAWP

    Certificate of lawfulness for the erection of a single storey side extension at ground level to existing garage.

    Brick Kiln Cottage 7 Homerswood Lane Ayot St Peter Welwyn AL6 9AD

    Received 3 Mar 2017
  14. Decided - Granted6/2018/1665/EM

    Fell 1 x Ash tree

    3 Bushey Green Welwyn Garden City AL7 3HA

    Received 22 Jun 2018
  15. Decided - GrantedW6/2004/0413/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    16 Melbourne Court, Welwyn Garden City, AL8 6LL

    Received 22 Mar 2004
  16. Decided - Granted6/2019/2105/EM

    Installation of patio doors and new window within the rear elevation

    1 Dellcott Close Welwyn Garden City AL8 7BB

    Received 22 Aug 2019
  17. Decided6/2025/2261/TC

    Fell 1 x purple leaved plum and 3 x ash.

    62 Handside Lane Welwyn Garden City AL8 6SJ

    Received 23 Oct 2025
  18. Decided - GrantedS6/2009/1043/FP

    ERECTION OF FIVE 2-BEDROOM FLATS FOLLOWING DEMOLITION OF EXISTING DWELLING

    2 BRADMORE WAY, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QX

    Received 12 Feb 2009
  19. Decided - Granted6/2026/0382/EM

    Part garage conversion and front infill extension

    20 Turmore Dale Welwyn Garden City AL8 6HS

    Received 3 Mar 2026
  20. Decided - Granted6/2019/2065/HOUSE

    Erection of single storey side, rear extensions following demolition of lean to

    4 Queen Bee Court Hatfield AL10 9PR

    Received 19 Aug 2019
  21. Decided - Withdrawn6/2022/0594/EM

    Erection of single storey side infill extension, single storey rear extension, first floor side and rear extension and conversion of roofspace to habitable use to include 3 x flank rooflights and alterations to fenestration with replacement chimney

    46 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 14 Mar 2022
  22. Decided - Granted6/2016/0048/VAR

    Variation of condition 1 of planning permission S6/1993/0740/FP (to allow the sale of food for consumption off the premises (up to a maximum of 1,580sqm gross) and to allow the sale of toys and baby products (up to a maximum of 1,568sqm))

    Homebase Oldings Corner Retail Park Hatfield AL9 5JY

    Received 13 Jan 2016
  23. Decided - GrantedW6/2013/0863/EM

    Erection of rear conservatory

    79 The Commons, WELWYN GARDEN CITY, AL7 4RZ

    Received 23 Apr 2013
  24. Decided - GrantedS6/2015/0797/S73B

    Removal of condition 9 (finished floor levels) of planning permission S6/2013/2231/MA

    Land at, Green Close, Station Road, Brookmans Park, Hatfield, AL9 7ST

    Received 7 Apr 2015

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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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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