There's been some really good advice on presentation and I agree that the agent and photographer have not given you a good service.
Piles of laundry, washing in the machine and the ironing board left leaning up against the wall give out the subliminal messages that storage is lacking and that you're not all that bothered. Whereas part of looking at house particulars is wanting that lifestyle, thinking 'I can see myself there' We once sold a house to someone who wanted our cushions, lamps and art work.
I also disagree with people who said that the pet accessories don't matter. Both of us are allergic to cats and my other half wouldn't even view a house where he'd seen evidence. Might be extreme, but just pointing out that there are people like that.
Conversely we have bought a new build only a couple of months after someone else had it and we've also sold one within three months of it being finished. Both were due to unexpected job relocations.
You only need one purchaser and new buyers start looking every day for all kinds of reasons. What you also need is presentation and advertising that draws people in and makes them want your house at a price you can afford to take.
I'd have priced it at £148,500, but I wouldn't drop it now. I'd ride it out with a view to taking it off the market and trying again in a few months with a different agent, but check your contract that you wouldn't still be liable for commission to both should it sell. Having said all that, in your shoes OP, I'd see how it plays out with your mother as yet another move might not be the answer at all.