Fraser Bond are the leading lettings and property management agents for 20 St Andrew Street - London EC4A. 20 St Andrew Street is an office building in London EC4. Redeveloped in 2017, the building offers 9 floors of office space totalling nearly 52,000 sq ft with terraces from 6th floor up. Designed by DLA Design. History The old St Andrews House was ca a 50,000 square feet office building in London leased to Pricewaterhouse Coopers at £1.75 million per annum until 2013. The property was acquired from Cushman Wakefield Investors in October 2006. Planning consent has recently been obtained to add a.