Law firm NewLaw has signed up for a 45,000 sq ft headquarters in Cardiff city centre, in a major letting for the Welsh capital.

It is thought that NewLaw will pay around £17/sq ft for the space in Rightacres Property’s Helmont House, on Churchill Way, which used to be British Gas’s headquarters in the city.

British Gas has agreed to move to Rightacres’ and MEPC’s Callaghan Square development in Cardiff.

NewLaw is set to move into Helmont House in the summer, following a refurbishment which Rightacres will begin in spring. It also has an option to take a further 15,000 sq ft in the building.

Helen Molyneaux, founding partner of NewLaw, said: ‘We have enjoyed our time in the Bay but as we have grown, so we have recognised the benefits of a city centre presence.’

Rightacres chief executive Paul McCarthy said: ‘We have worked closely with Helen and her team to meet all her aspirations for what is a pivotal moment in the history of her business - to relocate to Cardiff city centre.’