In message , sweetheart writes
Fees for that will be a few thousand (mostly estate agents, assuming you use one - about 1 - 1.5% of the selling price. Conveyance will be fixed price deal for a few hundred.)
Depending on the condition of the house, you could spend something on it I guess to make it more saleable. But probably easier to price it to sell quicker and forgo bit of money.
This has no legal standing, so is up to you and your conscience. But I would imagine you would like to carry out her wishes.
You are being way to negative about this. Costs, even if you engaged a solicitor to deal with it all on a % basis are surely going to come in at under 10%, it seems that there will probably be no IHT to pay . That just leaves what you need to pay for the charitable contributions.
But it's something you can probably deal with yourself, a relative did this and it seemed ok, though a fair bit of paperwork