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
40,250Searchable applications
321Recorded as pending
86%Approval rate · 33,746 approved or refused records
4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - Granted6/2025/0078/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension

    10 Frampton Road Little Heath Potters Bar EN6 1JE

    Received 20 Jan 2025
  2. Decided - Refused6/2024/1598/COND

    Submission of details pursuant to condition number 1 (Scheme for the protection of the trees) on planning permission 6/2024/0237/HOUSE

    115 Tolmers Road Cuffley Potters Bar EN6 4JL

    Received 21 Aug 2024
  3. Decided - RefusedN6/2004/1452/FP

    RETENTION OF RAILINGS AND GATES ON FRONT BOUNDARY.

    169 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 1 Oct 2004
  4. Decided - RefusedN6/2013/1519/FP

    Change of Use of office to Ladies Gym (Class D2)

    62B Bridge Road East, Welwyn Garden City, AL7 1JU

    Received 11 Jul 2013
  5. Decided - GrantedS6/2015/0595/HH

    Prior approval for a single storey rear extension

    55 Briars Wood Hatfield AL10 8DH

    Received 19 Mar 2015
  6. Decided - Granted6/2025/1498/EM

    Erection of single storey rear extension and part garage conversion

    332 Knightsfield Welwyn Garden City AL8 7NQ

    Received 9 Jul 2025
  7. Decided - Granted6/2017/1426/HOUSE

    Erection of single storey rear extension

    36 Hawbush Rise Welwyn AL6 9PP

    Received 30 Jun 2017
  8. Decided - GrantedN6/2013/1956/AD

    Installation of illuminated signage

    Unit D 51 Fretherne Road, Welwyn Garden City, AL8 6PZ

    Received 9 Sept 2013
  9. Decided - GrantedN6/2004/0035/FP

    ERECTION OF 2 PREFABRICATED GARAGES AND NEW BOUNDARY FENCING, FOLLOWING DEMOLITION OF FORMER WORKS DEPOT AND BOUNDARY WALL

    Westly Wood Depot Westly Wood

    Received 13 Jan 2004
  10. Decided - Granted6/2020/1047/EMT

    Reduce 2 x Hornbeam by 3m in height and width

    73 Thistle Grove Welwyn Garden City AL7 4AG

    Received 11 May 2020
  11. Decided - Granted6/2022/0930/EM

    Erection of a single storey rear extension following garage conversion

    36 Coltsfoot Welwyn Garden City, AL7 3HZ

    Received 20 Apr 2022
  12. Decided - Granted6/2024/1922/TPO

    Oak tree to reduce by 25% back to previous cuts (TPO 641 (2017))

    8 Mardley Heights Welwyn AL6 0TX

    Received 8 Oct 2024
  13. Decided - RefusedN6/2009/1908/FP

    ERECTION OF TWO STOREY SIDE EXTENSION AND REPLACEMENT GARAGE

    16 Danesbury Park Road Welwyn AL6 9SJ

    Received 7 Sept 2009
  14. Decided - GrantedS6/2014/2598/TC

    Removal of mountain ash tree

    Land adjacent to 12 Batterdale Hatfield AL9 5JF

    Received 27 Nov 2014
  15. Decided - Granted6/2024/1074/PN33

    Change of use from commercial, business and service (Class E) to dwellinghouses (Class C3) residential use to form two dwellings

    York House 4 Wigmores South Welwyn Garden City AL8 6PL

    Received 10 Jun 2024
  16. Decided - Granted6/2022/1884/EMT

    T1 sycamore - fell to ground level

    2 The Pastures Welwyn Garden City AL7 4PX

    Received 12 Aug 2022
  17. Decided - GrantedS6/2013/0251/DS

    Discharge of condition 4 (Materials) from planning permission S6/2012/0714/FP

    Nyn Park, Well Road, Northaw, POTTERS BAR, EN6 4BS

    Received 4 Feb 2013
  18. Decided6/2020/0810/TC

    Fell x 1 Cypress Tree [T4]

    5 Pitsfield Welwyn Garden City AL8 7SJ

    Received 31 Mar 2020
  19. Decided - GrantedN6/2008/2022/DS

    DISCHARGE OF CONDITION 3 (MATERIALS) OF PLANNING PERMISSION N6/2008/0262/FP

    3 Holly Hall Court Church Street Welwyn AL6 9LH

    Received 22 Oct 2008
  20. Decided6/2020/3325/TC

    T1 - Row of conifers (hedge) reduce in height by 4ft. T2 - Laburnum - crown reduce by 15%. T3 - Laurel hedge - prune sides.

    28 Turmore Dale Welwyn Garden City AL8 6HS

    Received 8 Dec 2020
  21. Decided - GrantedN6/2008/0674/LU

    INTERNAL WORKS AND INFILL OF DOOR AT THE GYM/SPORTS HALL

    SIR FREDERIC OSBORN SCHOOL, HERNS LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2AF

    Received 4 Apr 2008
  22. Decided - RefusedN6/2004/1400/FP

    PART TWO STOREY, PART SINGLE STOREY SIDE EXTENSION & SINGLE STOREY REAR EXTENSION

    24 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 16 Sept 2004
  23. Decided - RefusedW6/2004/0104/EM

    ERECTION OF TWO STOREY SIDE EXTENSION

    8 Furzefield Road, Welwyn Garden City, AL7 3RH

    Received 22 Jan 2004
  24. Decided - GrantedN6/2010/0178/TE

    REMOVAL OF CONIFER TREE FROM FRONT GARDEN

    41 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LG

    Received 1 Feb 2010

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

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    Planning application documents: what to read first

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  • 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