Photo credit: Loz Flowers on Flickr.

The Liberal Democrats used to call it home. Now 4 Cowley Street (vacated by the party in summer 2011) is up for sale as a 6-bedroom house for £11 million.

Estate agents Hathaways describe “Cowley House” as:

…an architecturally astounding property.

Hidden in the heart of Old Westminster the property was purpose-built as offices in the early 20th century, but the layout is such that it will make a particularly grand and spacious London home. Designed in the elaborate style of the Baroque 17th century, imitating the era of Sir Christopher Wren, and influenced by other important architectural periods. Grade II Listed and situated in the Smith Square Conservation Area, this is a unique and iconic property, available to refurbish as offices or ambassadorial premises, or develop as one of the most prominent of London townhouses (subject to consents). The property measures 11,321 sq ft (1,051 sq m) GIA.

Cowley Street is considered one of the best preserved Georgian streets in London and this property dominates the street with its imposing 52 foot width, large doorcase and pediments. The property is situated at the eastern end of Cowley Street, with views from the front down Lord North Street to the imposing towers of St John’s Church, Smith Square.

The property is Grade II Listed. Planning permission and listed building consent have been granted, for the change of use to a single residential unit and the associated works in creating a dwelling. Proposed plans may be found in the brochure.

There is scope for further investigation into the possibilities for the roof of the property which would afford a view of the charming rooftops of Old Westminster.

If you’d like to buy the ultimate piece of party memorabilia (or if you’d just like to see that a bathtub is now proposed for the site of Mark Pack’s old desk) you can peruse the full brochure here.