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 Post subject: Re: Sellers ignoring the new BER requirement.
PostPosted: Thu Jul 19, 2018 10:24 am 
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Holiday Home Owner

Joined: Jan 31, 2007
Posts: 349
Location: Middle Earth
Skippy 3 wrote:
There has been a sharp, abrupt shift in the BER quality of new build. See graphic.

Ten years ago the majority of new builds were C rated or below. Now they are almost all A-rated.

I am not a QS, but this presumably has an impact on the cost of construction (both materials and design).

It would be great to see a rough estimate of what this does to the viability of construction.

It might go some way toward explaining why there is much less activity these days than you would expect.

Image



Does that data come from design spec BER or actual BER surveys? I can spec a BER in the design to achieve 'A' but will it in fact be 'A' rated when built?


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 Post subject: Re: Sellers ignoring the new BER requirement.
PostPosted: Thu Jul 19, 2018 1:34 pm 
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Joined: Sep 29, 2010
Posts: 8718
Location: London, innit
owenm wrote:

Does that data come from design spec BER or actual BER surveys? I can spec a BER in the design to achieve 'A' but will it in fact be 'A' rated when built?



I understand your scepticism but why do you think it would be any different? the BER assessor isn't checking the airtightness;

Simlarly Air Source pumps sound great in theory but it seems too often badly specc'd and installed leading to woeful performance


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 Post subject: Re: Sellers ignoring the new BER requirement.
PostPosted: Thu Oct 11, 2018 12:35 pm 
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Of Systemic Importance
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Joined: Aug 20, 2009
Posts: 5156
Domestic Building Energy Ratings
Quarter 3 2018

https://www.cso.ie/en/releasesandpublic ... rter32018/

96% of Dwellings built in 2015-2018 were given an "A" rating


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 Post subject: Re: Sellers ignoring the new BER requirement.
PostPosted: Thu Oct 11, 2018 12:56 pm 
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Location: London, innit
I'd be interested to see actually air Tightness and performance testing of said A rated new builds


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