A wheelchair-bound dad with multiple sclerosis has revealed what happened after filming.
Nick Knowles and the team transformed Stuart Philp's Torquay home to make his life more comfortable and allow his blind mum Lin to move in.
The team faced one major problem, they could not extend the property, but redesigned the house with an open plane downstairs and separate flat for 73-year-old Lin.
Stuart, 44, was able to get upstairs in a lift to a special bed and was given his own wet room so he could once again wash with dignity.
However, 15 months later, there are still big issues with the house that have not been resolved.
Stuart and Lin are keen to stress that they are very grateful to the BBC and the volunteers that helped.
But Stuart has been left staring at a wall all day, Lin can't fit a chair in her cramped room and daughter Lauren's room is smaller than before.
Stuart told Devon Live : "Don't get me wrong - it's lovely. We are so grateful and we don't want to sound greedy.
"Lots of things they did were amazing - especially repairing the end wall in the kitchen which was in a terrible state.
"But they had to squeeze everything into the existing small house space and house three people where there had been two. It's not the BBC's fault.
"I think that's why they did such a great job with the back garden - to compensate for the extension not going ahead."
Stuart struggles to get in and out of the front and back doors in his wheelchair.
Stuart believes mum Lyn, who gave up her own flat to move in with him, was much happier in her old home.
But she is glad to be living with her son, whose condition is debilitating.
Lyn, who has been totally blind since the 1980s, said: "I haven't even got room for a chair. It's been very difficult. We didn't want to appear ungrateful. The people who were doing the volunteering were amazing."
She added: "I'm really pleased I'm here because Stuart is getting worse and needs me more."
A BBC spokesperson said: "The DIY SOS team take the responsibility of building a home extremely seriously, and contributors are consulted throughout the build to ensure the design will meet their specific needs.
"We remained in touch with the Philips family regularly after filming to address and resolve their concerns as quickly as possible.”
*DIY SOS: The Big Build airs on BBC One on Thursdays at 9pm
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