I cannot recommend Sean O'Farrell to anyone highly enough. He has been working for me since 2006 on a wide variety of projects. In that time he has rewired a London flat and done the same to a large Devon farmhouse (plus barns). (He has subsequently been recommended to and worked for a good number of my friends who all feel the same way I do.) The consistent theme in all of that time has been the incredibly high quality of Sean's work. Sean is an old fashioned tradesman in that he turns up on time, does the job in the time frame set out (and on budget) and never, ever cuts corners; it is anathema to him to leave your electrics in anything other than perfect condition and 100% safe. In addition to the above, he is a gentleman - courteous and with impeccable manners - and as such is a pleasure to deal with. Overall, a rare find in London. You can see why therefore I have no hesitation whatsoever in recommending him and his work to you.