(ShareCast News) - ISG has been awarded a £29m contract to build a new commercial office development in London.The AIM listed company said on Wednesday the contract with Baldwin House Ltd is for a two-stage, design & build project.It will deliver a new, highly-sustainable 12-storey development on Lombard Street with 58,000 sq ft of office space.The scheme also involves the demolition of the existing building on the development site.