Specially commissioned artworks by the likes of David Adjaye, Rafael Viñoly, Anthony Gormley and Wolfgang Buttress, designer of the UK's Milan Expo pavilion, are up for grabs. 

The 100 pieces, all in some way inspired by a designated stretch of London's River Thames, are being auctioned off to raise money for Article 25 - the architectural and construction aid charity that each year asks architects, designers, artists to take part in its biggest fund-raiser.

Architecture is well-represented in the line-up. Adjaye and Viñoly are in the company of – among others – Sir Terry Farrell, Ken Shuttleworth, Chris Wilkinson, Eric Parry, Will Alsop, Eva Jiricna CBE, Ian Ritchie, Mike Stiff and Laurie Chetwood.

The charity divided the river into 100 segments, hence the name: 10x10 Drawing The River London. Some creatives, such as Jiricna, Wilkinson, Ritchie, Chetwood and Stiff took things literally; their renditions of a river view are recognisable.

Others have indulged in some poetic license, such as Adjaye's collection of building sketches, Buttress's four unexplained petri-dish-style images, and Gormley's watercolour profile of a human figure standing on its head. Regardless of any obvious connection to the brief, this one has an impressive starting bid of £7,000.

Some pieces, including work by Shuttleworth, Peter Barbalov, Morley von Sternberg, Rebecca Campbell, Layla Lyons and Soham De, show the inevitable cranes, as the capital is in the throes of an unprecedented high-rise building boom, with 263 skyscrapers either built, under construction or approved. Which means some of these riverscapes will soon be history. 

Online bidding is open, and will conclude in a live auction hosted at the Royal Institute of British Architects in London on 1 December. Article 25, whose work includes a training centre for former child soldiers in Uganda, hopes to raise even more than the £120,000 made by last year's 10x10 auction.