Nationwide Building Society 23 Seven Sisters Road | Current account, Mortgage, Savings and other personal finance in HollowayVisit your local Nationwide Building Society at 23 Seven Sisters Road in Holloway. The world's largest building society, run for the benefit of its members. Helping you with your Current account, Mortgage, Savings. https://locations.nationwidebranches.co.uk/holloway/23-seven-sisters-road