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cost of new heating system and pc sum

  • 09-05-2014 8:36am
    #1
    Selfbuilder14
    Registered Users, Registered Users 2 Posts: 59 ✭✭


    We are in the process of choosing a builder for our large extension. We have had prices back from builders and are negotiating to get the prices down. The heating has been given a pc sum of 6000 by two builders. We have had specialist quote and for normal radiators which is over 12,000 and for underfloor on the groundfloor we can add a further 2000. This is more than double the builders pc sums. If all the pc sums go up like this we have no chance in finishing. Is this normal?


Comments

  • #2
    BryanF
    Moderators, Home & Garden Moderators Posts: 10,146 Mod ✭✭✭✭BryanF


    Your Qs / architect advice is:


  • #3
    BobMcBob
    Registered Users, Registered Users 2 Posts: 63 ✭✭BobMcBob


    Have had a few quotes for heating
    Heat pump is €6000-10000
    Underfloor heating ~€20-25 m2
    Hot water cylinder +/- buffer tank €800-1500
    does not include the hot water plumbing

    Hope this helps

    BmcB


  • #4
    Selfbuilder14
    Registered Users, Registered Users 2 Posts: 59 ✭✭Selfbuilder14


    Our architect has mentioned very little regarding the heating. We have an existing oil burner but is too small to heat the whole building. That is why we,sought independent advice and were. surprised by the cost. We have only had one quote and we independently costed his job for the boiler etc and it is a fair price. It makes me think to heat the extension separately and maybe fork out for an air to water heat pump. We don't have a qs and our architect doesn't use one. the quote also includes the plumbing of new bathrooms .


  • #5
    CurnalG
    Registered Users, Registered Users 2 Posts: 3 ✭CurnalG


    you should look into the ground source heat pump system


  • #6
    galwaytt
    Registered Users, Registered Users 2 Posts: 12,822 ✭✭✭✭galwaytt


    Selfbuilder14 wrote: »
    Our architect has mentioned very little regarding the heating. We have an existing oil burner but is too small to heat the whole building. That is why we,sought independent advice and were. surprised by the cost. We have only had one quote and we independently costed his job for the boiler etc and it is a fair price. It makes me think to heat the extension separately and maybe fork out for an air to water heat pump. We don't have a qs and our architect doesn't use one. the quote also includes the plumbing of new bathrooms .

    In fairness, an architect is not a heating engineer. ......

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  • #7
    galwaytt
    Registered Users, Registered Users 2 Posts: 12,822 ✭✭✭✭galwaytt


    CurnalG wrote: »
    you should look into the ground source heat pump system

    Not without a whole-house thermal evaluation you shouldn't. Sticking a HP into a part-new, part-new build could be a recipe for disaster.

    Ode To The Motorist

    “And my existence, while grotesque and incomprehensible to you, generates funds to the exchequer. You don't want to acknowledge that as truth because, deep down in places you don't talk about at the Green Party, you want me on that road, you need me on that road. We use words like freedom, enjoyment, sport and community. We use these words as the backbone of a life spent instilling those values in our families and loved ones. You use them as a punch line. I have neither the time nor the inclination to explain myself to a man who rises and sleeps under the tax revenue and the very freedom to spend it that I provide, and then questions the manner in which I provide it. I would rather you just said "thank you" and went on your way. Otherwise I suggest you pick up a bus pass and get the ********* ********* off the road” 



  • #8
    Selfbuilder14
    Registered Users, Registered Users 2 Posts: 59 ✭✭Selfbuilder14


    Our extension is a separate building with a glass link linking it to our existing bungalow. so for the purposes of a heat pump it would meet the criteria but I think we will be going for oil and solid fuel. It was our architect who gave the pc sum of 6000. We are going to speak to the builders,when they come back with a revised quote.


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