sq. m

Now, the current 20,000 sq m site is a hub for companies developing innovative health technologies, alongside AI, cybersecurity, gaming and defence tech start-ups.

The first phase of the new 10,000 sq m roof is complete, meaning maternity, neo-natal care and the special care baby unit will return to the site within a few weeks.

He spoke of a scene of chaos, with people running inside and outside a very large school that stretches out over about 17,000 sq m.

Hertsmere Borough Council's planning committee has approved outline plans for the DC01UK development near the M25 South Mimms service station in Hertfordshire, that will cover 87,000 sq m.

He tells me that in these 30 sq m, at least 100 people were buried.