Work will start on site this month at The Mansion development at 9 Marylebone Lane, W1.

The site will include studios, 1- to 3-bedroom apartments and penthouses, a 25-metre pool, gym, spa and treatment rooms, gardens and residents’ lounge.

The 55,400 sq ft residential building will comprise a lower ground, ground, and seven upper floors, with large setbacks incorporating roof terraces, along with two basement levels.

Clivedale is a UK subsidiary of property giant Indiabulls led by chairman Sameer Gehlaut.

Martin Magee, Managing Director McAleer & Rushe Contracts UK, said: “This is a great project to be associated with as it contributes so positively to its environs by enhancing the prestige of this residential neighbourhood.

“Our construction business has made a strong start to the year having recently secured a number of contracts across the hotel, office, student housing and residential sectors – not just in London but across the UK”.