Great Portland Estates (GPE) has sold its mixed-use scheme at 78-92 Great Portland Street and 15-19 Riding House Street to M&G Real Estate for £49.6m.
Step Forward Homes is one of a number of affordable housing groups to have attracted long-term investors.
Online estate agency Purplebricks has announced a £125m investment from leading digital publisher Axel Springer to accelerate its US rollout and expand into new markets.
US private equity firm Lone Star has hired advisers to explore options for Wembley developer Quintain including a sale of the business, which could be worth £3bn.
Chinese developer Xinyuan Real Estate has made its first foray into the UK real estate market with the purchase of a 50% stake in Madison Developments.
Urbeo Residential, a new mixed-tenure Irish housing fund, is planning to raise €300 to 400m (£266m to £355m) to scale up its investments in the Irish private rented sector.
Venture has already identified three sites in the borough and lined up £60m of funding from the council.
Regeneration specialist Urban Splash has agreed terms to acquire modular offsite construction business SIG Building Systems and announced the investment of Channel 4 presenter George Clarke and WeBuyAnyCar founder Noel McKee in its modular business.
Mayor of London Sadiq Khan has announced a partnership with developer L&Q to invest £500m in a residential-led regeneration in east London.