at what percentage of the value is acar declared a write off

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looking at some thoughts ,
got an email this morning that my mother had been involved in an accident , according to witnesses at the scene , she was observed driving slowly into a car park , when the car suddenly accelerated forward and turned sharply into a walled central island , with the car coming to rest against a tree , both airbags deployed and luckily , she only suffered bruising from where the seatbelt tensioners activated. front of the car and right drivers wheel suspension took the full force with windsceen smashed.

aparently the cause was mum depressing the accelerator instead of the brake , the cars an automatic !thankfully no one was injured
according to the RAC chap who arrived, he said in his opinion the car is a write off , however the insurance allocated garage pick up chap thought The car could be repaired its now being assesed

its an 2004 54 plate Toyota Yaris T spirit
looking at second hand values cars worth around 3,600 would this be the cut off for repair or would it be significantly less

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Paul Drawmer said:

Different insurance companies have differing rules. Check with the paperwork or ring the insurance company. Oh and start doing your homework to establish what your mother would have to pay to buy a similar car retail.

i bought her the car , so will replace if its written off , looking at glasses guide it comes up at 3600, have found a replacement for around 4000, for same spec , interestingly looking at reviews of newer yaris models after 2006 the semi auto box appears problematic

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TomJS said:

How old is mother? If she is hitting the accelerator instead of the brake, maybe she shouldn't be driving. It sounds like she is a danger to others, as well as herself.

we have arranged for her to take some advanced lessons, its her first accident and shes not at the "sterling Moss" stage yet and when she does reach this stage she will not be driving ,