How little we need to do.

Joe Wild

How little we need to do.

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I recently went to the Zero Carbon Hub presentation of their findings to the industry, where they implied we can achieve zero carbon building by 2016. with modest reductions in U values and a slight increase in air tightness, whilst keeping brick and block cavity walls.

It seems amazing how little we need to do in the UK compared to other European countries? Our construction industry seems to be the wrong group (with their own agendas & vested interests), to be advising our government, it should be the policy makers and practitioners of Germany, Belgium, Demark, Norway, Finland and Sweden to name but a few where much better performances are already required with their existing Building Regulations.

The use of monolithic walling systems and timber frame without brick and block cavity will also make achieving lower U values and better detailed buildings much easier. Quality control on UK construction sites is inherently poor but is always used as an excuse when any new changes are put forward to try and improve our buildings.

Well it’s the same the world over in New Zealand they only introduced double glazing into their Building Regulations two years ago and all the main construction companies. The media said that it would make detailing too difficult and make housing too expensive.

It’s easy to see how silly that is, so hopefully it’s just as easy to see how silly it is to think we cannot achieve better quality detailing and workmanship in the UK, but the only way to make it happen on a mass scale is to Legislate the change!

So in my mind the government policy makers should look to Europe for a better standard then impose it, which is if they really want to make an impact on carbon emissions and global warming.


Comments

I also attended a Zero

I also attended a Zero Carbon Hub and came away with a terrible migraine, zero carbon is not achievable without overly complicated offsetting. We can achieve Low Carbon, just by following AECB Carbonlite or Passivhaus standards. Even the Belgians have been doing it for years, achieving airtightness levels of 0.5ach routinely. We recently won Ashford's Best Residential Development award for an energy efficient house we originally designed about 5 years ago, we could improve on it significantly now. One of the other commended projects was the Eureka Park in Ashford, an office with virtually 100% glass walls. If you pass it, you will notice that despite all the glazing, the blinds are down and all the lights are on, yet this achieved a good BREEAM rating with very average glazed U values. It really boils down to clients demanding a higher standard, wanting low energy sustainable buildings, then we won't need to legislate. Paul

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