Thanks all for the advice. We're going to be finishing the trip at our new home at Chiswick Quay Marina and so won't require the pier or Chelsea Harbour - unless we are late in the case of the former! Just completed my VHF course today on the Strand with First Class Sailing - instrcuted by the excellent Mark Hamilton (no relation to Luke Skywalker as far as I am aware). Shouldn't think we'll need to use my qualification on our journey from Penton Hook though - fingers crossed.