Advice charges

Brynsam

Try http://www.hl.co.uk/pensions/drawdown?utm_source=money.co.uk&utm_medium=affiliate&utm_campaign=Money.co.uk+Drawdown+AFMON&theSource=AFMON&Override=1

Useful list at https://www.money.co.uk/pensions/income-drawdown-pensions.htm

TcpnT

Why not just transfer from the existing providers to a SIPP with HL or similar. You can then crystallise the pot and move into drawdown and take income as flexibly as you like at a fairly small charge. No advisor charges involved.

noh

There are a few to choose from listed here:-
http://www.moneyobserver.com/our-analysis/find-best-broker-your-sipp-portfolio