Combined the figures suggest cost of a new boiler and installation can set you back from £1,040 to £4,250. This requirement has led to a huge improvement in the technology surrounding electric boilers and consequently a sharp rise in their installation numbers. Arrived on time and with short notice diagnosed the problem immediately and resolved it within the day. Absolutely true i hug a plumber today karan patel of k p heating & plumbing. My nephew had been playing in my bathroom.