On Saturday's instalment of Homes Under the Hammer, one property buyer revealed his story of remorse on the BBC show.
During the repeated show, host Tommy Walsh guided audiences through a three-room house in Suffolk before it went to auction for £101,000.
However, as soon as he stepped into the home, he spotted a severe issue.
He explained to the audience: "Looking at that skirting, there is a more serious problem because that's got dry rot. So this all has to be lifted up.
"Any dry rot removed completely from the site and then effectively repaired properly."
Unfortunately, the issues didn't stop there as Tommy walked into the kitchen. He commented: "They seem to have a serious damp problem here. But, I think there is potential to extend and this could be made into a big kitchen, dining space."
In the end, the home was sold for £101,000 to a man who was hoping to pay up to£35,000 in refurbishments, detailing his ambitious to complete the makeover within a mere three months.
Fifteen months down the line, the Homes Under the Hammer team made their return to observe the changes of the formerly run-down dwelling.
Looking back on the refurbishment experience, the homeowner detailed some regret as he wouldn't have brought the property upon reflection, reports Express.
He commented: "Well, it has certainly been an eye-opener and I've acquired a lot of knowledge.
"I wouldn't have acquired that knowledge or learnt the things I've learnt without buying this property. But had I known all those things, I would not have brought it."
His project manager laughingly agreed, commenting: "Had I known all those things, I wouldn't have let you buy it!"
The buyer further revealed he hadn't actually viewed the property's interior before making his auction bid.
When questioned by the BBC host about his initial response, he acknowledged: "It was a real shock! I thought, 'Oh my word, what have I let myself in for?"
Through moving the bathroom to the ground floor, the clever purchaser successfully transformed the dwelling into a three-bedroom property whilst also relocating the kitchen.
Audiences discovered that the purchaser had invested roughly £48,000 in renovations for the property.
During the BBC show, property expert Chris Bailey was enlisted to assess the home's prospective market worth following its transformation.
He concluded on the programme: "In my opinion, right now you're going to be looking at somewhere between £130,000 to £150,000."
Nevertheless, the project manager revealed they had put the property on the market for an ambitious £195,000, hoping to achieve a sale near their target figure.
Homes Under the Hammer can be viewed on BBC iPlayer.
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