£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

Is Apple’s next product an electric car?

Apple has hired ex-Tesla engineer and opened R&D base in Germany, but reports suggest first versions of long-rumoured vehicle won’t be self-driving

Vincent van Bot: the robots turning their hand to art

Twenty-six robots designed by students across the US will compete in an art contest that offers a glimpse into the creative potentials of artificial intelligence

All change at Calvin Klein

Francisco Costa and Italo Zucchelli are to leave the US brand, to make way for ‘one creative vision’, possibly under Raf Simons