Old Oak Common depot
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| Old Oak Common depot | |
|---|---|
 Oxyman · CC BY-SA 2.0 · source | |
| Name | Old Oak Common depot |
| Caption | High Speed Two depot at Old Oak Common under construction |
| Location | Old Oak Common, London |
| Owner | Department for Transport |
| Operator | HS2 Ltd |
| Opened | 2020s |
| Type | Railway depot |
| Services | High Speed Two fleet maintenance |
Old Oak Common depot is a major railway depot constructed to service the High Speed Two fleet near Old Oak Common in London, adjacent to Old Oak Common station and connected to the High Speed 2 network. The depot is sited within the London Borough of Hammersmith and Fulham and close to Acton, Wormwood Scrubs, Park Royal, and Brent, forming a transport and regeneration hub linked to Crossrail, Elizabeth line, Great Western Main Line, and West London Line. Designed as a transformational infrastructure project, the depot supports UK Department for Transport objectives and interfaces with organisations including Network Rail, HS2 Ltd, Laing O'Rourke, Arup Group, and Atkins.
History
The depot project evolved from strategic planning in the 2010s under the auspices of High Speed 2 Ltd and the UK Department for Transport following the 2009 and 2010 studies that shaped High Speed 2 Phase One. Initial site proposals referenced land near Old Oak Common rail depot and the Old Oak Common land exchange negotiations involving TFL and European Investment Bank considerations. Parliamentary approvals were advanced through the High Speed Rail (London – West Midlands) Bill process debated in the House of Commons and the House of Lords, with environmental statements compiled alongside submissions to Planning Inspectorate. Main construction procurement attracted bidders including Laing O'Rourke, VolkerFitzpatrick, and international contractors such as Siemens through rolling stock supply contracts. The depot’s timeline intersected with major events: the delivery changes after the Brexit referendum (2016), finance reviews in the 2010s United Kingdom political controversies, and schedule adjustments tied to COVID-19 pandemic in the United Kingdom construction impacts.
Design and Construction
Design work combined inputs from architecture and engineering firms such as Atkins, Arup Group Limited, WSP Global, and contractors like Laing O'Rourke with project management by HS2 Ltd and oversight from the National Audit Office on value and delivery. The layout incorporates multiple maintenance sheds, wheel lathe facilities, train stabling sidings, and administrative buildings engineered to high standards similar to facilities at Crewe Gresty Lane depot and refurbished sites like Old Oak Common rail depot (historical). Construction techniques applied large-span steel frameworks reminiscent of those used for St Pancras railway station and modernised methods informed by projects such as Crossrail and Heathrow Terminal 5. Groundworks required coordination with utilities regulated by Ofgem and Ofwat and archaeology monitored under guidance from Historic England given proximity to heritage assets linked to Victorian railway expansion.
Facilities and Layout
The depot comprises multiple inspection and maintenance bays, refuelling points, wheel re-profiling machines, wash plants, and testing rigs, integrating digital condition monitoring systems developed with suppliers including Siemens Mobility, Hitachi Rail, and Alstom. Supporting facilities include driver accommodation, training centres, and a control centre interoperable with signalling systems such as ERTMS and legacy equipment maintained by Network Rail’s signalling division. Rail connections interface with the Great Western Main Line, allowing access to hubs like Paddington station and Old Oak Common station (planned), and freight access via Willesden Euro Terminal and Wembley Yard. Environmental systems echo standards from BREEAM-rated projects and mirror energy strategies used at Dronfield depot and Doncaster Carr for energy recovery and sustainable drainage.
Operations and Services
Operational responsibility rests with entities under contract from HS2 Ltd and coordinated with Network Rail for infrastructure access, while train maintenance standards align with specifications from rolling stock manufacturers and the Office of Rail and Road. Services include routine servicing, heavy overhauls, bogie exchanges, wheelset maintenance, and software updates for train control and passenger systems compatible with ETCS deployments. Workforce planning engages trade unions including the RMT, ASLEF, and TSSA for staffing, training, and safety committees, with apprenticeships linked to organisations like National Skills Academy for Rail. Depot operations interface with passenger timetabling maintained by Transport for London for interchange services and with long-distance operators affecting Euston station and Birmingham Curzon Street services.
Environmental and Community Impact
Environmental assessments addressed impacts on Wormwood Scrubs open space, local air quality monitored under Department for Environment, Food and Rural Affairs protocols, and noise attenuation measures consistent with Environmental Protection Act 1990 requirements. Community engagement involved consultations with the London Borough of Hammersmith and Fulham, London Borough of Ealing, local resident groups, and regeneration bodies such as the Old Oak and Park Royal Development Corporation to align job creation and skills programmes. Biodiversity mitigation incorporated habitat enhancements referenced in guidance from Natural England and Environment Agency, with sustainable drainage inspired by schemes at Crossrail sites. Economic regeneration links tied to development plans like Old Oak Common regeneration aimed to connect to initiatives led by Greater London Authority and the Mayor of London.
Future Developments and Upgrades
Planned future work contemplates capacity upgrades, digital signalling integration with broader Euston HS2 terminal programmes, and potential retrofit for hydrogen or battery technologies pursued by manufacturers including Siemens, Alstom, and Hitachi. Long-term strategy aligns with national transport objectives from the Department for Transport and funding reviews by the National Infrastructure Commission, with possible expansion tied to wider redevelopment projects such as Old Oak Common regeneration and cross-project synergies with Crossrail 2 proposals. Workforce development will continue through partnerships with educational institutions like Brunel University London and University of West London to support technical skills and research collaborations with centres such as UK Rail Research and Innovation Network.