£1.5m Battersea power station apartments held back from market

Downturn at top end prompts developers to withhold from sale 150 flats designed by Frank Gehry and Norman Foster

Sir Elton John and JK Rowling listed as most charitable UK celebrities

Singer donated £26.8m and author gave £10.3m in 2015, though Sainsbury family top list of wealthy givers with £220m

Tate Modern’s Frances Morris: ‘If it rained I went to the museum. That had a huge impact’

In her first interview since being appointed director of the world’s most popular contemporary art gallery, Frances Morris talks about its major new expansion, the morality of sponsorship, and her vision for the institution’s future

A brush with Picasso: rare portraits to be displayed in London

National Portrait Gallery exhibition will feature more than 75 portraits, some of which have never been seen in the UK

London set for more than 35,000 new luxury homes in next decade

Developers have projects in the pipeline totalling 40m square feet and worth £77bn at 196 sites across the capital

Let’s not turn the Arctic into an adventure playground

As polar ice retreats, tourists are rushing in, many claiming to bear witness to climate change. But their expeditions are only speeding the region’s destruction