A weekly round up of the latest property news from the central London boroughs.

Camden

EG reports that LinkedIn has appointed Colliers International to find it a new London base. The social networking firm currently occupies just under 50,000 sq ft in AXA Real Estate’s Castlewood House, 77-91 New Oxford Street, WC1.

City of London

PW reports that Pembroke Real Estate has secured a 17,340 sq ft letting to International Game Technology at 10 Finsbury Square.

Palmhurst Group has purchased River House, in Binaries, for £8.45m. The building contains 15 apartments and the ground floor is let to Jamies Wine Bar.

City of Westminster

EG reports that the London Hilton, Park Lane, W1, is to be extensively refurbished to include 28 flats totalling around 40,000 sq ft and valued close to £7m each.

EG reports that asset management firm GAM has begun a search for a new 70,000 sq ft office to consolidate its London operations. It is planning to move out of its four offices in St James’s, SW1.

EG reports that Knight Frank has been appointed by Grosvenor to market 20 Grosvenor Street, W1. Offers in excess of £95m will be sought for the five-storey building.

PW reports that a private Middle Eastern investor is under offer to buy Kinnaird House, 1-14 Pall Mall East, for around £85m, reflecting a yield of 3.95%. The owner, German fund manager GLL Real Estate Partners, paid £57m for the asset in September 2012. The 61,500 sq ft office space is let to McKinsey & Co until March 2018 and the 10,000 sq ft restaurant is let to Out of Africa Investments until September 2037.

PW reports that Grosvenor is marketing the 125-year leasehold interest on its newly refurbished office and retail building at 20 Grosvenor Street for £95m.

PW reports that Adelie Estates will develop a new residential scheme at 13-14 Buckingham Gate after acquiring the site from Banda Property for around £17m. Banda initially acquired the property in later 2013 for circa £11.5m from Henderson.

Hammersmith & Fulham

EG reports that Qatar’s Alduwaliya Asset Management is close to buying London Automotive Factory, W6, from Westerland Real Estate for around £100.3m.

Tower Hamlets

EG reports that HSBC has announced that it is to remain headquartered in the UK at 8 Canada Square, E14, and will no longer continue the practice of reviewing the location of the group’s HQ every three years. Instead it will revisit the matter only if there is a material change in circumstances.