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
40,140Searchable applications
300Recorded as pending
86%Approval rate · 33,671 approved or refused records
4,802Refused applications

28,869 approved · 4,802 refused · 2,207 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/3075/FULL

    Retrospective application for the erection of a front canopy new entrance with alterations to fenestration

    1 Bradmore Buildings Bradmore Green Brookmans Park Hatfield AL9 7QR

    Received 5 Dec 2019
  2. Decided - GrantedS6/2004/1692/FP

    ERECTION OF REAR CONSERVATORY

    EAST GABLES, HOME FARM, NORTH MYMMS PARK, HATFIELD, HERTFORDSHIRE, AL9 7TG

    Received 16 Nov 2004
  3. Decided - Granted6/2025/0358/TPO

    T1 Oak to reduce by approximately 1.8-2m in height and width. T2 Silver birch to reduce by approximately 2m height and 2.5m width This is to retain suitable size due to proximity to properties and buildings

    2 Sherrards Mansion Rectory Road Welwyn Garden City AL8 7AY

    Received 25 Feb 2025
  4. Decided - GrantedN6/2013/2372/TC

    Removal of Norwegian Spruce tree

    11 Meadow Green, Welwyn Garden City, AL8 6SS

    Received 25 Oct 2013
  5. Decided - Withdrawn6/2017/1099/PN11

    Prior Approval for change of use from Class B1(a) (Offices) to Class C3 (Residential) to provide 2 self-contained units (1 x 1-bed and 1 x 2-bed) and associated refuse storage.

    Second Floor 4 Wigmores South Welwyn Garden City AL8 6PL

    Received 19 May 2017
  6. Decided - Granted6/2023/2067/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 2.93m to the eaves

    207 St Albans Road West AL10 0SZ

    Received 10 Oct 2023
  7. Decided - Withdrawn6/2020/1411/EM

    Extension of drive way Replacement of fence and soft landscaping alterations

    3 High Grove Welwyn Garden City AL8 7DW

    Received 18 Jun 2020
  8. Decided - Granted6/2020/0916/COND

    Submission of details pursuant to condition 1 (arboricultural method statement) on planning permission 6/2020/0004/HOUSE

    Hilltop Cucumber Lane Essendon Hatfield AL9 6JA

    Received 22 Apr 2020
  9. Decided - Granted6/2024/1717/FULL

    Retention of change of use of land from agricultural to game rearing and associated structures

    Dowdells Cottage Ayot St Peter Road Ayot St Peter Welwyn AL6 9BH

    Received 6 Sept 2024
  10. Decided - Granted6/2024/1654/EMT

    1 x Hornbeam to reduce lateral growth over the garden of 37 digswell park road by approximately 2m. To reduce the left hand stem of the 3 stems by 3m.

    5 Coneydale Welwyn Garden City AL8 7RX

    Received 29 Aug 2024
  11. Decided - Granted6/2019/1649/ADV

    Installation of a projecting sign internally illuminated and of one internally illuminated "Fascia signage" with a white logo.

    11 Town Centre Hatfield AL10 0NY

    Received 4 Jul 2019
  12. Decided - GrantedN6/2013/0252/DS

    Discharge of condition 3 (materials) of planning permission (N6/2012/1717/FP Erection of two storey rear extension and new dormer windows on front elevations)

    83 Warren Way Digswell Welwyn AL6 0DL

    Received 5 Feb 2013
  13. Decided - GrantedN6/2008/1444/DS

    DISCHARGE OF CONDITION 2 FROM APPLICATION N6/2007/1451/FP (SAMPLE OF MATERIALS)

    3 Mimram Road Welwyn AL6 9HA

    Received 20 Aug 2008
  14. Decided - Withdrawn6/2022/2719/LB

    Replacement of all timber windows with PVC-U double-glazed windows.

    82-102, 83-103,104-124,105-125 Knightsfield Welwyn Garden City AL8 7HB

    Received 30 Nov 2022
  15. Decided - Granted6/2021/0648/HOUSE

    Erection of a single storey rear extension following demolition of existing rear extension

    75 Boundary Lane Welwyn Garden City AL7 4EG

    Received 1 Mar 2021
  16. Decided - Granted6/2024/0866/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 2.8m in height and 2.6m to the eaves

    41 Swanley Crescent Little Heath Potters Bar EN6 1NQ

    Received 8 May 2024
  17. Decided - Granted6/2024/1097/HOUSE

    Erection of single storey rear extension following the demolition of existing extension and alterations to the fenestration on the front and rear elevations to facilitate a garage conversion

    32 Bell Lane Brookmans Park AL9 7AY

    Received 13 Jun 2024
  18. Decided6/2025/2630/TC

    Ash T2 to fell.

    Welwyn Garden City Golf Club Mannicotts Welwyn Garden City AL8 7BP

    Received 31 Dec 2025
  19. Decided - Granted6/2020/0586/EM

    Installation of rear dormer and skylights to front elevation

    1 Hall Grove Welwyn Garden City AL7 4PJ

    Received 2 Mar 2020
  20. Decided - Granted6/2018/0950/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3m in height, 2.7m to the eaves

    25 Timbercroft Welwyn Garden City AL7 1NS

    Received 9 Apr 2018
  21. Decided - Granted6/2021/2154/PN8

    Prior approval for the erection of a single storey rear extension with flat roof measuring 6m in depth, 3.2m in height and 2.5m to the eaves.

    5 Martin Close Hatfield AL10 8QS

    Received 15 Jul 2021
  22. Decided - Granted6/2017/0724/LB

    Replacement of casement windows

    30 Church Street Hatfield AL9 5AW

    Received 10 Apr 2017
  23. Decided - Granted6/2025/0879/EM

    Replacement of old tool shed in rear of garden with new garden office

    47 Handside Lane Welwyn Garden City AL8 6SH

    Received 13 May 2025
  24. Decided - Granted6/2021/0777/COND

    Submission of details pursuant to condition number 1 (additional drawings of new windows, doors and rooflights) and condition 3 (new trusses and foundation pads) on consent ref: 6/2020/1810/LB

    Ayot Farm Bibbs Hall Lane Welwyn AL6 9BY

    Received 10 Mar 2021

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

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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