Summary
- Astor is preparing a reported six-site data centre pipeline spanning Berlin, Madrid, Marseilles, and Milan.
- Margaux Platforms is reported to be providing at least €100m of initial equity, with more than €2bn of equity deployment planned over time.
- The estimated €5bn pipeline remains a development programme, with detailed capacities, power positions, and construction schedules not yet disclosed.
A new London-based data centre platform called Astor is preparing a six-site development pipeline across Germany, Spain, France, and Italy that could require roughly €5bn of capital expenditure, according to reporting published ahead of the company’s planned launch.
Astor has been established by former Global Switch executives and is backed by private investment company Margaux Platforms. The proposed sites are reported to be in Berlin, Madrid, Marseilles, and Milan.
Sky News reported that Margaux is providing at least €100m of initial equity and intends to deploy more than €2bn of equity over the medium term. The six developments are expected to require around €5bn of total capital expenditure if the full pipeline proceeds.
Those figures describe a financing plan and development pipeline rather than completed investment. Astor has not yet published individual site capacities, grid agreements, construction schedules, customer commitments, or detailed planning positions for the six projects.
The venture is expected to focus on delivering data centre capacity close to end users in European markets where access to electricity has become an increasingly difficult part of site development.
Capital targets grid-constrained cities
The four reported markets offer significant cloud, enterprise, connectivity, or population demand, but each requires developers to solve the same physical delivery problem: finding sites where electricity, planning, fibre, cooling, construction capacity, and financing can be assembled on workable timescales.
Berlin has attracted substantial data centre investment while facing growing power and planning pressure. Madrid has expanded rapidly as an Iberian cloud and connectivity market. Marseilles combines a major subsea-cable position with growing data centre demand, while Milan remains Italy’s largest established data centre hub.
A multi-market platform can diversify development exposure, but it also creates different execution risks at each site. Grid processes, planning regimes, environmental requirements, heat-reuse expectations, land conditions, and construction markets vary substantially between countries.
The reported €5bn capital requirement reflects the cost of building across several locations rather than one hyperscale campus. Data centre expenditure extends beyond the buildings themselves to substations, transformers, backup power, cooling plant, fibre, security, and commissioning.
High-density AI infrastructure can increase those costs further because electrical and mechanical systems have to support higher rack loads and increasingly complex liquid-cooling environments.
The pipeline still has to become capacity
Astor’s management team is reported to include former Global Switch executives Elliot Dittes, Benjamin Ryder, Robert Hogan, and Benjamin Worth, with Daniel Wong joining as chairman.
That experience provides a management team familiar with large data centre assets and financing, but the central test for a new platform remains site execution. Europe already has substantial proposed capacity competing for many of the same grid connections, contractors, equipment slots, and customers.
Development pipelines can also look larger than the capacity ultimately delivered because projects move at different speeds and may change scale as power, planning, financing, or commercial requirements develop.
The reported equity backing gives Astor a starting capital base if deployed as planned, but the complete financing structure has not been disclosed. Individual projects may ultimately involve debt, joint ventures, customer commitments, or other sources of capital alongside Margaux’s equity.
The six sites should therefore be treated as a pipeline rather than operating or contracted capacity. The next useful disclosures will be the amount of power controlled at each location, the stage of land and planning work, customer commitments, and the timetable for construction.
Those details will determine whether the €5bn programme translates into connected megawatts. In Europe’s current development market, access to capital remains essential, but usable grid capacity and buildable sites increasingly determine where that capital can actually be deployed.
