Thinking of buying a new build house. Not sure if heating is appropriate

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Thinking of buying a 6 bedroom house with 4 bathrooms. Going to view it tomorrow, however I'm a bit concerned about the heating design.. it all runs off a combi boiler.. was thinking to serve a large property like this would require a system boiler? What do you guys think. The video of the house is in the link below

Also, can anyone identify the boiler.. you get a quick glimpse near the beginning of the video.

Any other advice about buying the property or any questions I should ask would be appreciated.

https://m.facebook.com/watch/?v=216992836419482&_rdr
 
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Looks like a glow worm boiler.

There maybe a hot water store somewhere.
 
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It is a glow worm boiler, a combi is not suitable for that house, as above there is possibly an unvented cylinder somewhere
 
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If it is running off a combi it’s going to be completely inadequate,check if it’s got a unvented cylinder somewhere
 
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Hmmm.... I don't see an Airing Cupboard shown on the floor plan. Estate agents usually show them as AC and that's where a hot water cylinder would usually live.

bc1a4990b240f43afa37be5e629a0e6e55655e53.png
 
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When I rang the estate agent he said it's running off a combi and advised that I could install electric showers if we wanted to have simultaneous showers!

So assuming it hasn't got an unvented cylinder, how much we talking as a ball park figure to rectify
 
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Yeah a combi is definitely not suitable for that. Got to ask yourself what other corners have been cut, and whether you really want it...

It's not just the cost to rectify, but the mess too. The whole place is most likely plumbed in 15mm for hot and cold. You'd need a 22mm pipe taking from the stopcock and running to wherever you want your airing cupboard to be, then 22mm hot & balanced-pressure cold water running away from that to your bathrooms. Essentially a full re-pipe. You'd need to take a flow & return from the boiler to the same location. It's going to be difficult to do all that discreetly in a finished house.
 
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One bedroom seems to have access only via the French Doors
upload_2021-1-5_7-43-55.png


The people who design and build these developments do not have to live in them.
 
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I was thinking that an unvented cylinder could be installed in the 'utility room' alongside a system boiler.. probably need 300 litres? or is that too much

re-piping in 22mm would be a nightmare.

Consider this scenario, replace combi with a system and in the same utility room install a unvented cylinder and connect up to the existing 15mm pipipng. Work wise that would be minimal (I think!) in the sense that all the work would be confined to the utility room

What issues would we have in this scenario (with 15mm piping et al)?
 

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