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
37,969Searchable applications
335Recorded as pending
86%Approval rate · 31,712 approved or refused records
4,488Refused applications

27,224 approved · 4,488 refused · 2,047 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 26 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - GrantedN6/2008/0222/FP

    ERECTION OF SINGLE STOREY FRONT AND REAR EXTENSION

    10 Roman Way Welwyn AL6 9RJ

    Received 6 Feb 2008
  2. Decided - Granted6/2016/0212/COND

    Approval of details reserved by condition 2 (materials) on planning permission 6/2015/2442/HOUSE

    8 Tolmers Avenue, Cuffley, Potters Bar, EN6 4QE

    Received 9 Feb 2016
  3. Appeal Decided - DismissedS6/2008/1157/LB

    ERECTION OF NEW GARAGE

    GREAT NAST HYDE HOUSE, WILKINS GREEN LANE, HATFIELD, HERTFORDSHIRE, AL10 9RB

    Received 3 Jul 2008
  4. Decided - Refused6/2025/0010/HOUSE

    Erection of front boundary fence, gates and installation of second dropped kerb

    9 Mymms Drive Brookmans Park AL9 7AE

    Received 3 Jan 2025
  5. Decided - Granted6/2022/2176/EM

    Install wood burner chimney on end wall

    15 Nursery Gardens Welwyn Garden City AL7 1SF

    Received 20 Sept 2022
  6. Decided - Withdrawn6/2019/1694/ADV

    Installation of 1x illuminated freestanding 6.5m totem signage

    Asda Superstore 98 Town Centre Hatfield AL10 0JP

    Received 10 Jul 2019
  7. Decided - Refused6/2020/1339/HOUSE

    Erection of single storey side extension following demolition of conservatory

    33 Church Lane, Northaw, Potters Bar, EN6 4NX

    Received 12 Jun 2020
  8. Decided - GrantedS6/2014/0060/FP

    Erection of a new attached dwelling

    12 Somers Square, Welham Green, Hatfield, AL9 7PS

    Received 17 Jan 2014
  9. Decided - Granted6/2024/1986/TPO

    T1 Cherry to crown reduce by 30% and crown thin by up to 10% focusing on deadwood and damaged branches. T2 Rowan to crown reduce by 30% and crown thin by up to 10% focusing on deadwood and damaged branches. T3 Field Maple to crown reduce by 30% and crown thin by up to 10% focusing on deadwood and damaged branches. T4 Dead tree to fell T5 Sycamore to crown reduce by 30% and crown thin by up to 10% focusing on deadwood and damaged branches. TPO 1156 G6

    57 Warren Way Digswell Welwyn AL6 0DL

    Received 15 Oct 2024
  10. Decided - Granted6/2019/0320/COND

    Submission of details pursuant to condition 3 (hard and soft landscape) on planning permission 6/2018/2945/HOUSE

    50 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 12 Feb 2019
  11. Decided - Granted6/2025/2388/EM

    Replacement of current upvc porch with a brick porch

    1 Crookhams Welwyn Garden City AL7 1PG

    Received 13 Nov 2025
  12. Decided - GrantedS6/2008/2355/FP

    CONVERSION OF DWELLING INTO TWO SELF CONTAINED FLATS ( 1 X ONE BED AND 1 X TWO BED)

    24 ONSLOW CLOSE, HATFIELD, HERTFORDSHIRE, AL10 8BU

    Received 12 Dec 2008
  13. Decided - GrantedN6/2007/0311/LU

    CERTIFICATE OF LAWFULNESS FOR AN EXISTING USE OF GARAGE AND CONSERVATORY

    The Nook 3 Pottersheath Road Welwyn AL6 9SY

    Received 27 Feb 2007
  14. Decided - Granted6/2016/0334/HOUSE

    Erection of a part one storey, part two storey rear extension and two storey flank extension to existing two storey semi-detached house

    29 Glebe Cottages, Essendon, Hatfield, AL9 6HQ

    Received 29 Feb 2016
  15. Decided - Granted6/2025/1588/HOUSE

    Erection of a front porch following demolition of the existing front porch

    12 Wilga Road Welwyn AL6 9PS

    Received 23 Jul 2025
  16. Decided - Granted6/2016/1648/HOUSE

    Erection of single storey rear extension and garage conversion, including associated alterations to openings and replacement of garage doors

    13 Digswell Road, Welwyn Garden City, AL8 7PD

    Received 11 Aug 2016
  17. Decided - Granted6/2026/0524/COND

    Submission of details pursuant to condition number 25 (Verification report) and 28 (Contamination) on planning permission 6/2021/3422/MAJ

    Salisbury Square Hatfield AL7 5AD

    Received 23 Mar 2026
  18. Decided - Granted6/2021/0226/EM

    Garden shed roof alterations to accommodate insulation and re-tiling using reclaimed tile or slate.

    20 Beehive Green Welwyn Garden City AL7 4BG

    Received 25 Jan 2021
  19. Decided - RefusedS6/2009/2507/MA

    ERECTION OF 14 RESIDENTIAL UNITS COMPRISING OF 9x2 BED AND 5x3 BED IN TWO/THREE STOREY BLOCKS INCORPORATING UNDERCROFT CAR PARKING, SURFACE CAR PARKING AND LANDSCAPING

    LAND AT, GREEN CLOSE & STATION ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7ST

    Received 11 Nov 2009
  20. Decided - Granted6/2021/0786/HOUSE

    Loft conversion including 1 x sun pipe to front elevation and 2 x rooflights to the rear

    47 Butterwick Way Welwyn AL6 9GH

    Received 11 Mar 2021
  21. Decided - Granted6/2026/0806/HOUSE

    Erection of single storey rear/side extension & garage conversion

    87 Lords Wood Welwyn Garden City AL7 2HG

    Received 8 May 2026
  22. Decided - Granted6/2021/1286/EMT

    Replacement of decaying boundary hedge (holly, ivy, vines & weeds) with a new fence and evergreen hedge border.

    11 Meadow Green Welwyn Garden City AL8 6SS

    Received 21 Apr 2021
  23. Decided - GrantedW6/2013/2238/EM

    Erection of single storey rear extension and associated alterations, new boundary fencing and new garden shed

    2 Barleycroft Green, Welwyn Garden City, AL8 6JY

    Received 23 Oct 2013
  24. Decided - RefusedN6/2014/0989/LB

    Replacement of 7 single glazed windows to hardwood double glazed windows, replacement of 2 internal shutters on front windows and replacement of part single glazed rear door to part double glazed hardwood door

    Bridge House, 29 Lemsford Village, Welwyn Garden City, AL8 7TN

    Received 29 Apr 2014

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

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.

  • 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.

  • 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.

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