Grand Designs has seen castles, life boats and various other crazy living situations dreamt up on the Channel 4 show, starring Kevin McCloud.
Now a couple has built their dream home in London, and saved a whopping £400,000.
The couple, who work as neurologists, were originally told by builders that it would cost them an enormous £1 million to build a house on the plot of land they bought in Islington.
The plot itself cost £725,000 - so the total build would not have been far from the region of £2m.Related articles
CHANNEL 4Grand Designs 2017: Couple build £2m London house from scratch
Grand Designs 2017: Couple build £2m London house from scratch in latest episode of new series
Penny Talelli and Mark Edwards decided to cut out the middleman and do the building and designing themselves.
They created a house in the shape of a box, coated in zinc.
The couple planned a spacious living and dining area, as well as a kitchen with mod cons, which combined wood and metal to stunning effect.
Penny designed and created a