PlanningTrack
Get started

England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
29,328Searchable applications
307Recorded as pending
87%Approval rate · 24,335 approved or refused records
3,245Refused applications

21,090 approved · 3,245 refused · 1,560 withdrawn. Received dates in our records: 1 Nov 1999 to 13 Oct 2026. Most recent record check: 18 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2017/0962/FULL

    Subdivision of existing dwelling to provide additional 2 bedroom single storey dwelling following demolition of existing garage.

    53 Bishops Rise Hatfield AL10 9BU

    Received 8 May 2017
  2. Decided - Granted6/2018/1532/LAWP

    Certificate of lawfulness for erection of single storey rear extension

    1 Blakes Way Welwyn AL6 9RE

    Received 8 Jun 2018
  3. Decided - Granted6/2025/1673/PN10

    Prior approval for a change of use of agricultural buildings to 8 dwellings

    Tollgate Farm Tollgate Road Colney Heath St Albans AL4 0NY

    Received 4 Aug 2025
  4. Decided - Granted6/2022/1290/HOUSE

    Erection of two storey side and part two, parking single storey rear extension and single storey front extension.

    37 Meadway Welwyn Garden City Hertfordshire AL7 4NQ

    Received 1 Jun 2022
  5. Decided - Granted6/2023/1242/EM

    Erection of two storey rear and two storey side extension

    3 Aldock Welwyn Garden City AL7 4QF

    Received 12 Jun 2023
  6. Decided - Granted6/2017/1638/EM

    T1 Oak- Crown reduce by up to 2m T2 Oak- Crown reduce by up to 3.5m and remove all significant dead wood.

    25 Pentley Park Welwyn Garden City AL8 7RT

    Received 25 Jul 2017
  7. Decided - GrantedS6/2013/2148/FP

    Creation of external seating area following the removal of 3x parking spaces, and erection of an illuminated advertisement sign

    Tesco Stores Ltd, Mount Pleasant, Oldings Corner, Hatfield, AL9 5JY

    Received 10 Oct 2013
  8. Decided - Refused6/2021/0094/HOUSE

    Erection of a first floor side and front extension, garage conversion into a habitable room with a window, proposed window openings, alteration to existing window openings and proposed landscaping works to front garden of dwellinghouse.

    4 Chedburgh Welwyn Garden City AL7 2PU

    Received 13 Jan 2021
  9. Decided - Granted6/2026/0660/EMT

    T1 Black Poplar to fell.

    13 Stacklands Welwyn Garden City AL8 6XW

    Received 14 Apr 2026
  10. Decided - Granted6/2018/1182/HOUSE

    Erection of a single storey front extension

    2 Stanborough Cottages Great North Road Welwyn Garden City AL8 7TE

    Received 4 May 2018
  11. Decided - Refused6/2024/0660/VAR

    Variation of condition 15 (Approved Plans) on planning permission 6/2023/1014/VAR

    22 The Common Hatfield AL10 0ND

    Received 8 Apr 2024
  12. Decided6/2024/0922/TC

    T1 Ash - Remove damaged and overhanging limbs on Ash tree over the road back to suitable growth points. T2 Ash - Fell Ash tree to ground level. Due to the tree being in close proximity to the function room at the care home, as well as the tree being effecting the cables and aerial of the function room. Tree has also been shedding branches. Suspected dieback.

    Woodside House Bridge Road Welwyn Garden City AL8 6UJ

    Received 17 May 2024
  13. Decided - GrantedN6/2014/1540/LB

    Erection of sun room and installation of new windows , doors and 3 roof lights, 2 conservation skylights following demolition of conservatory and all ground floor internal walls, 1 first floor wall and alterations to loft space structure

    3 Holly Hall Court Church Street Welwyn AL6 9LH

    Received 3 Jul 2014
  14. Decided6/2025/0357/TC

    1 x Apple to reduce by 3m height and width to retain size, now its overhanging green house with falling apples breaking the glass

    4 Meadow Green Welwyn Garden City AL8 6SS

    Received 25 Feb 2025
  15. Decided - Refused6/2016/1414/HOUSE

    Erection of PVCU conservatory to the front of property following the removal of porch

    20 Park Road, Northaw, Potters Bar, EN6 4NU

    Received 12 Jul 2016
  16. Decided - Refused6/2025/2631/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.3m in height and 2.45m to the eaves

    10 Pinewood Welwyn Garden City AL7 3TL

    Received 31 Dec 2025
  17. Decided - Granted6/2021/1541/EM

    Erection of part two storey/single storey rear extension. Raised patio areas to rear. Alterations to fenestration.

    18 Coneydale Welwyn Garden City AL8 7RZ

    Received 13 May 2021
  18. Decided - Granted6/2025/1967/EM

    Expansion of hardstanding, soft landscaping to front and rear following removal of 3x Leylandii trees at rear

    9 The Quadrangle Welwyn Garden City AL8 6SG

    Received 15 Sept 2025
  19. Decided - Granted6/2016/1713/EM

    Erection of first floor rear extension, installation of new windows to side elevation and doors to replace window to rear elevation

    9 The Quadrangle, Welwyn Garden City, AL8 6SG

    Received 19 Aug 2016
  20. Decided - Granted6/2017/1909/EM

    Reduce two lower branches and canopy of 1 x yew tree by up to 20%

    7 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 22 Aug 2017
  21. Decided6/2025/0728/TC

    T2 Douglas Fir to be felled - overhanging driveway and footpath, roots are damaging the drive and cracking pavement.

    34 High Oaks Road Welwyn Garden City AL8 7BH

    Received 16 Apr 2025
  22. Decided - GrantedN6/2014/1271/FP

    Conversion of garage to habitable accommodation and new bin store and hardstanding to front

    4 Purdom Road, Welwyn Garden City, AL7 4FH

    Received 6 Jun 2014
  23. Decided - GrantedS6/2015/1175/LUP

    Certificate of lawfulness for proposed loft conversion with side dormer windows

    35 Brookside Crescent Cuffley Potters Bar EN6 4QW

    Received 1 Jun 2015
  24. Decided - Granted6/2019/0536/FULL

    Erection of a new dwelling

    Land adjacent to 66 Tolmers Road Cuffley Potters Bar EN6 4JY

    Received 8 Mar 2019

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities