Tbh I think her problem will be the salary multiplier. It’s what shafts most people & is why it’s so difficult to buy outside of a couple. Largely banks are only willing to lend to 4.5x annual salary (ignoring that 15% of mortgages are allowed to bend the regulations - will get to that at the end). I think she’s looking at properties like her rental, so let’s say £750k? Minus her 10% deposit she’d need a mortgage for £675k, which would require an annual salary of £150k. To get this down she’d need a bigger deposit, or a bigger salary.
As mentioned there are mortgage products (and tbh even lenders) who cover edge cases & there are brokers that would have an initial chat for free. It would just require her saving for a deposit, stamp duty & fees but for some reason she seems hell bent on not doing that?! She’s had so many privileges, years of living subsidised with a millionaire / rich parents / high paying easy work, and yet hasn’t managed? I don’t agree w bashing millennials saying if they stopped buying coffee and £2 avocados they’d own property as it’s clearly not true, but got a small suspicion that 6 £900 Cotswold company pieces / a £400 hammock / thousands in cookbooks aren’t exactly helping the cause are they