Berkshire boiler installations: The Good, the Bad, and the Ugly
http://ncda.org.uk/When-Replacing-Older-Systems-Should-You-Favor-Condensing-Boilers--1609055385.html
Combi boilers are the best option if you have limited space. Electric boilers work under the same principle as traditional gas boilers, other than the fact that they use electricity to heat the water rather than