Oil heating and water - options?

[IceBoy]

Hi All,

We are very close to exchanging contracts on our new home. It is a large 1908 bungalow, which is in the countryside and has oil, with a large old floor standing boiler for the heating and hot water.

As this is our final move and there is going to be a comprehensive list of works, modernisation and a small extension, what are your thoughts on the best system for heating and hot water for the house, with oil?

1. Combi-oil fired boiler?
2. Mega-flow type system?
3. Stick with a similar system to what we have now, which is floor standing boiler with hot-water tank

Are there any other consideration that I should think about?

The property is 2500sq ft, with 3 bathrooms and kitchen, I also gather that the walls will not be very well insulated although we will upgrade the loft insulation.

IceBoy

[IceBoy]

So does the Mega flow only provide the hot water? Is there still a separate boiler/pump for the rads?

Could someone explain a "janet & john" version of how it works. I have only had combi-boliers in the past.

IceBoy

[IceBoy]

Thanks Gingerbread Man!
IceBoy