The De Manincor FKA900 is a high quality woodburning range cooker stove with a window to the firebox and a high output backboiler. This range cooker stove has a nominal heat output to water of 16kW: enough to provide hot water and to run around 6-7 radiators - plenty for most houses.
The Klover BiFire Mid is a combined log and wood pellet boiler stove able to power a whole house. That little bit more compact than its bigger cousin, the BiFire Mid can still give out over 25kW of heat.
The Broseley Snowdon 26 is a wide boiler stove that at 16kW to the water, and 2-10kW to the room, really chucks out some heat. The large double doors give a wide uncluttered view of the fire and it is suited to a vented or pressurised systems.