Ah so sounds like the norm over there is to use an agent but not a lawyer. Over here I'd never dream of buying a house without a lawyer. Many of them charge a set fee for a house purchase of a few hundred pounds. It's never a percentage.
But all this stuff -
the purchase process involves a lot of work and detail you may not have thought of. Offer, counteroffers, bidding war - do you have a plan and strategy to ensure that your offer is the right price? The right price doesn't matter solely in terms of getting the best deal for yourself, a knowledgeable buyer's agent will help you make sure your offer is something that will appraise out so that you can get financing. Will you be checking in regularly with the listing broker to make sure that all is proceeding to plan, e.g., any items that come up requiring repair after home inspection, making sure smoke detector inspection and final meter readings with all utilities are all set, coordinating a final walk-through, etc.?
is stuff I'm perfectly happy to do myself, and in fact much of it I would rather be in control of directly, specially the bidding and financing.