If I'm planning on investing £100k, is it worth doing it through a financial advisor?

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At the moment I only invest in cash ISAs or fixed rate bonds where the rate is 1% to 2%.
Is £100k enough to justify using a financial adviser or will the fees outweigh the benefit?
I'm quite conservative so I'm not expecting huge returns but would like to get 5% ish.
Thanks

It really depends 9n whether you can be bothered to do your own research....the are literally hundreds of books and websites and an advisor will probably direct you to a product that pays him a healthy commission (as do a lot of websites) read a few good books (How to own the world by Andrew Craig is really good) the whole investing thing isnt really that complex it just takes a bit of effort and time to educate yourself

Alternatively if reading and researching isn't your bag then I don't see the harm in getting some advice but it will cost you to take the easy route