| Notice of works starting at Mandeville Road site | Completed | Northolt | 01/07/2020 | 31/12/2021 |
| Update: Temporary road closure on School Road | Completed | Old Oak | 17/02/2021 | 31/05/2021 |
| Overnight drainage surveys in the Flat Iron site on Victoria Road (revised dates) | Completed | Old Oak | 22/03/2021 | 26/03/2021 |
| Notice of utility surveys on Park Royal Road and Lower Park | Completed | Old Oak | 15/03/2021 | 26/03/2021 |
| Notice of vegetation clearance works | Completed | Old Oak | 08/03/2021 | 16/04/2021 |
| Work on Wormwood Scrubs | Completed | Old Oak | 01/10/2020 | 31/12/2024 |
| Notice update: Work on Wormwood Scrubs | Completed | Old Oak | 15/02/2021 | 15/03/2021 |
| Construction Update- Old Oak Common Station | Completed | Old Oak | 04/01/2021 | 31/05/2021 |
| Monitoring instruments | Completed | Old Oak | 03/05/2021 | 31/05/2022 |
| Notice of Piling and Diaphragm Wall Works | Completed | Old Oak | 01/02/2021 | 30/04/2021 |
| Notice of installation of welfare units at Atlas Road site | Completed | Old Oak | 22/02/2021 | 12/04/2021 |
| HS2 Work Notification: Notice of archaeological trial trench works – Upper Boddington | Completed | Boddington | 04/01/2021 | 30/04/2021 |
| HS2 Work Notification: Notice of trial trenching evaluation works – Boddington | Completed | Boddington | 01/12/2020 | 30/09/2021 |
| HS2 Work Notification: Notice of archaeological trial trench works – Lower Boddington | Completed | Boddington | 30/11/2020 | 01/05/2021 |
| Notice of water connection works at Mandeville Road | Completed | Northolt | 05/03/2021 | 15/03/2021 |
| Construction of accommodation South Portal, West Hyde | Completed | West Hyde | 01/03/2021 | 30/04/2021 |
| Notice update: Vegetation clearance at Canterbury Works site | Completed | Kilburn | 05/03/2021 | 13/03/2021 |
| Notice of overnight utility surveys on Kilburn Place | Completed | Kilburn | 08/03/2021 | 09/03/2021 |
| Notice of archaeological excavations, Aston le Walls | Completed | Aston Le Walls | 15/03/2021 | 30/06/2021 |
| Installation of electricity cables, Canterbury Road | Completed | Kilburn | 15/01/2021 | 30/06/2021 |