Four Data Centres To Be Built on Brownfield Site
Council approves plans for Southall International Trading Estate
Aerial CGI of plans for the Southall International Trading Estate. Picture: Chetwoods Architects/Global Technical Reality
October 29, 2025
The Southall International Trading Estate is to undergo a total demolition and regeneration.
Ealing Council approved plans which will see the entire redevelopment of the Southall International Trading Estate, on Wednesday, 22 October. All existing buildings on the site will be demolished.
The site, on Trident Way close to the A312 and M4, has long been home to warehouses and workshops. The current trading estate comprises a mix of industrial buildings and warehouses, some of which are vacant or in poor condition.
These will be replaced by four data centre units, four industrial buildings, a central pavilion and two power-generating substations. There will also be smaller workshops and office space for site management staff.
The new estate will provide over 156,000 square metres of data centre floor space, alongside 21,759 sqm of traditional industrial floorspace. Of the industrial buildings one has been designed to operate as a logistics and distribution centre.
The pavilion will accommodate offices and support facilities for the wider estate. It is intended to be the focal point of the entrance to the new-look industrial estate.
It is estimated by the applicant that the redevelopment will create over 1,120 permanent new jobs. Additionally, around 460 new construction jobs per year could be provided during the construction phase.
The site will offer 315 car parking spaces, including 48 disabled parking spots. For cyclists, around 120 long and short-stay cycle parking spaces will be available.
The development will lead to a 79 per cent biodiversity net gain, according to the developer, with over 150 new trees planted. The site sits near the Grand Union Canal, and the developer has made a £300,000 contribution towards off-site flood risk mitigation.
The Section 106 agreement indicates approximately £20million in financial contributions to be made as a condition of approval. This will be used to invest in the local area.
Of the agreed £20m, £6m will be allocated to Ealing Council’s data centre training and skills strategy. As society moves towards a more digitised economy, data centres are popping up all over London.
Just three weeks ago, Hillingdon Council approved the construction of three data centres in Hayes. This will see the existing Hayes Bridge Retail Park demolished.
Philip James Lynch - Local Democracy Reporter
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