See inside Finsbury Park's 11ft-wide 'skinny house'

At only 11.5ft wide, this run down brick townhouse in Finsbury Park was in a terrible state but a young London architect needed a test bed for new ideas - and a home. She and her business partner seized the chance to make it fabulous, adding £550k to its value in the process.

The £100k House: Tricks of the Trade - big ideas on micro budgets

From a disastrous extension that's turned a house into building site, to the dilapidated London flat of a family who crave space and serenity - seven architects work to transform the homes of cash-strapped owners, in the latest BBC2 home improvement series...