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ICF vs double block cavity construction


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Does anyone know the difference in cost between these 2 methods. A friend has recently built a property using ICF and said it was similar in cost to a property he built using a double block cavity construction.

I've only had a quick look and this doesn't seem correct.

 

Thanks.

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40 minutes ago, deuce22 said:

Does anyone know the difference in cost between these 2 methods. A friend has recently built a property using ICF and said it was similar in cost to a property he built using a double block cavity construction.

I've only had a quick look and this doesn't seem correct.

 

Thanks.

 

Is this comparison being made just on materials?

 

The impression I had with ICF is that the self builder has the opportunity to do more work themselves. 

 

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I've spoken with a company called Thermohouse and they've quoted me £41 per m2. I've just done a quick costing for my garage and for blocks including Labour it comes to just over £5500 and with ICF it came to just over £6000. I have to add the cost of a concrete pump, so it will possibly be around £1000 more. Even though there is liveable space above the garage, the majority of it is not and so it's probably a bit of a waste of money using it for the garage.

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