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  • About Me
    Looking to extend and renovate two 1920's semi-detached houses. One of them to become our long term home so looking at energy efficiency; the other is where we live now.
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    West Yorkshire

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  1. To support your experience, I read (lost the link) the Energy Trust survey on the inferior performance of this material in real world examples (Scotland).
  2. the government are smart at shouting out about giving those on benefits handouts but what portion of deprived "get-it" and do it?
  3. the cheapest thermal insulation with a tolerance to rain penetration at the time of ordering. Currently it is treated glass wool in batt form or blown-in complete fill (fingers crossed the wider cavity stops the crossover of rain moisture).
  4. the £1000 is the difference between the two levels of insulation. If I get my application in before cut-off date, then the project investment appraisal cost terms is a £1000 less over the 32-year period. This is the knock-on effect of more insulation up front. I must wait longer in my grave to recoup that £1000. The breakeven is many more decades away, assuming an average fuel price, which I know is complete conjecture. The penny is finally dropping, yes, the price of gas is still low for the level of insulation we the house extenders are now asked to put in.
  5. I totally agree with your sentiments, but we are not Germany, and I knew 60-year life houses need 60-year cost in use doctrine applied just to save fuel never mind the planet. But democracy is clearly not working it behaves like shares in the stock exchange, suppose to reflect the future but really has not got a clue. So, this change to me is unfair to those trying to make use of recycled shells of a house that cost more to run and economically impossible to fix to comply, sympathetically. Throwing insulation at a house is not the simple answer, I am afraid to say here of all places. Improvements in U-value levels is the result of the relationship between the cost of energy and the lowering cost of producing thermal insulation of last 30 years or so. In recent years insulation prices has spiked, not helped with government price pumping with vote winning policies. The fact is if gas increased and stayed at around 10p/kWh then I'll breakeven in 30 years with these new regulations. So do I hope of high gas prices to make it worthwhile. Is the government going to keep the high gas price to save the planet? Because that is a real solution to the problem.
  6. There is no such thing as a free lunch. I agree, hope, we continue to be better off to continue to afford those goodies, but this change to put into perspective, is an under recovery of building cost of £1000 over a life of 32 years (my partner). So, I will not see full payback. So new house builders can undercut small time builders by thousands per house, so recycling old houses has just got more difficult with 6 months' notice. If we were in Switzerland, we have a referendum on this I like to think.
  7. I want to see the Government be upfront about the cost of saving the planet. Until some wonder fuel or wonder insulant lands on our doorstep, this change is now increasing the cost of living and making insulants like PIR uneconomical to use.
  8. Thank you for the quick calc. interesting direction. Can I say though we must add the extra over cost of a wider cavity, foundations, more land/less room bigger roof more gutter, more cladding, more expensive insulant (not choosing sticky beads) etc. Plus, the ventilation is just got trickier. Pressure to go mechanical and service routine is on the cards.
  9. thanks for your offer for help, I am in the game (or was in the building game) so designing and costing building is my thing. I was hoping to get a pointer as to the official politics behind the change.
  10. You miss my point on economics. The Building Regulations Codes of Practice (in old money) before was set at an economic level. Now a premium is being paid to build for the equitable cause of saving the planet. I have put the case here before that there is point when insulation material no longer makes economic sense. We have passed that point now but the spec builders have not, yet it seems.
  11. agree to interference, but fair interference please. I don't want to get into the equitable green debate, there are no winners on that one... no one has crystal balls.
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