This building is The Dance Space
https://southeastdance.org.uk/the-dance-space/
Address details:
The Dance Space
2 Market Square
Circus Street
Brighton
BN2 9AS
https://southeastdance.org.uk/the-dance-space/find-us/

This area is no longer 'Circus Street - Old Market Brighton'.

It has been redeveloped and the Old Market is now gone.

It is now known as 'Circus Street Brighton'.

These new buildings are;
The Courtyard
Circus St, Brighton BN2 9AL

There are 142 apartments at this address

This new building is 'The Office at Circus Street'.

Address is;
Circus St, Brighton BN2 9QF

This building is Kaplan Student Accommodation
5 Market Square
Circus Street
Brighton
BN2 9AS
https://www.kaplan-living.com/residence/brighton/

https://goo.gl/maps/DHW3u4FscLf37J1M7