Around 10ft more land has slipped down the cliff side at Knipe Point in the space of just a week.
One of the four at-risk properties has just two rows of flagstones left between itself and the cliff edge.
Residents are waiting for answers following a report which states that a leaking pipe, owned by Yorkshire Water and carrying effluent from the McCain factory, could have contributed to the landslip.
Malcom Pirks, chairman of Knipe Point Residents’ Association, says he is hoping that all the parties involved can get round the table soon.
He said: “We’ve not spoken face to face yet, but the ball is firmly in their court.”
Kane Cunningham, who owns the property which is now closest to the edge, said: “It’s Yorkshire Water’s pipe, so I accept that it’s not McCain’s fault, but I would like them as one of the world’s largest companies to put pressure on Yorkshire Water to try and resolve these issues.”
McCain and Yorkshire Water are currently going through the report in detail and have said they will be in touch with residents.
Scarborough Council has now recommended four properties for demolition and will be confirming this with the owners in writing.
As the demolition has been “recommended” rather than “ordered”, the responsibilty to arrange and pay for the properties to be knocked down currently rests with the owners.
Mr Pirks, who lives further along the cliff edge, said: “It’s devastating really. The thing with this estate is that the average age is around 70 years old.
“The majority of people came to retire here and now we’re talking about people having to uproot and move.”
He added that having their own investigations done had cost residents in the region of £20,000 and with the demolition, there will be more expense to come.
Mr Pirks said: “People are really worried - we don’t know who’s going to be next. I think for those living on the edge it’s a lost cause.”
Kane Cunningham bought his property as a studio and art project. He is now asking people to send letters to the house as part of the project, which has attracted attention from all over the world.
Letters can be sent to 20 Knipe Point, Osgodby, Scarborough, YO11 3JT. He has also put a link online for anyone who is interested in reading the consultants’ report. Go to www.kanecunningham.co.uk
Also go to www.the scarboroughnews.co.uk to watch a video report on Knipe Point.
• Scarborough Council has closed a stretch of footpath in South Bay after significant land slippage was detected directly above the scenic pathway.
The path remains closed while investigations continue.