(As nominated by Rat and Mouse readers)

Thanks to a sharp-eyed reader for spotting this contemporary re-appraisal of the 60s/70s space-age look. It's in St Paul's Street in Islington, and it's a three-bedroom duplex plus roof terrace with some innovative inside/outside detailing. It's priced at £850,000. Click this to download the particulars as a pdf file.