To produce a video like on the blog post you need to download publicly available data on house prices and London borough shape files. These data files have the below copyright/licences (and are not included in this repository). Instruction are on the blog post.
Contains National Statistics data © Crown copyright and database right [2015] and Contains Ordnance Survey data © Crown copyright and database right [2015]. Contains National Statistics data © Crown copyright and database right [2012]. Contains Ordnance Survey data © Crown copyright and database right [2012]. Contains HM Land Registry data © Crown copyright and database right [2019]. This data is licensed under the Open Government Licence v3.0 http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/>