Fraser Bond are the leading lettings and property management agents for Nightingale House - London W1J. Nightingale House is a mixed-use building in Mayfair, London W1. The property is prominently located on Curzon Street with a dual frontage to Stratton Street providing views to both Berkeley Square and Green Park. The existing building comprises 40,249 sq ft (NIA) of offices with vacant possession achievable in 2017 when the property can be repositioned as either prime offices or residential apartments within the core Mayfair markets for these uses. History 2020 January - Freehold property is.