The Green Register Blog

For and by sustainable construction professionals

How will the Fifth Carbon Budget shape future development?

Posted on September 1st, 2016

Thomas Vazakas | RPS Group

In 2008, Parliament introduced the Climate Change Act. The Act, which is independent from European Union (EU) legislation, established a legally binding target to reduce UK greenhouse gas emissions by at least 80% by 2050, compared to 1990 levels. The recent vote to leave the EU does not change this commitment.

To drive progress and set the UK on a pathway towards this target, the Act introduced a system of carbon budgets to be produced in successive five year...

Posted in Carbon emissions, Features, General News, Have your say, Legislation, Recommended, Sustainable Development

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Reducing hot water demand in Passivhaus dwellings

Posted on August 1st, 2016

Cath Hassell | ech2o 

The Passivhaus standard is recognised as a methodology that has a major role to play in reducing the 50% of CO2 emissions that come from the UK’s built environment. This is either in a new build scenario or as an EnerPHit to existing buildings - always assuming that Brexit doesn’t mean it will no longer have validity in the UK. But to my mind it has one major flaw, and that is the absence of a design standard for hot water use. 6% of CO2 emissions in the UK come from...

Posted in Carbon emissions, Have your say, Recommended, Retrofit, Sustainable Development, Water

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Three rules to make Passivhaus much easier

Posted on July 1st, 2016

Piers Sadler | Piers Sadler Consulting

I am rarely approached these days about a new project without Passivhaus being mentioned.  Most architects and many clients have an understanding that Passivhaus represents the highest standard of energy efficiency; some have an understanding of the energy performance gap and are aware that adopting the Passivhaus standard will help to eliminate it; others are aware that Passivhaus provides excellent thermal comfort and indoor air quality; but few make it easy...

Posted in Carbon emissions, Low and Zero Carbon Technologies, Recommended, Sustainable Development

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Brexit or Bremain – what’s in it for the construction industry?

Posted on June 1st, 2016

Views from the industry...

With only a few weeks to go, the noise around the In/Out referendum is getting louder. Concerns about the economy, immigration and the strains on public services abound but views on how the construction industry might be affected are less easy to find.

In January, Building magazine reported that there was considerable concern that UK withdrawal from the EU would be damaging for the British construction industry and the magazine has come out in support of staying in the EU. The results of an...

Posted in Features, General News, Have your say, Recommended

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Reflecting on the International Passive House Conference, Darmstadt 2016

Posted on May 1st, 2016

Niall Crosson | Senior Engineer | Ecological Building Systems

Reflecting on the International Passive House Conference, Darmstadt 2016. By Niall Crosson, Senior Engineer at Ecological Building Systems and Member of the Board of Directors of the Irish Green Building Council

I travelled once again to the International Passive House Conference which was held in Darmstadt, Germany from the 22nd to the 24th of April. The International Passive House Conference (IPHC) returned to...

Posted in Events, Features, General News, Have your say

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ESOS compliance only at 70%

Posted on April 1st, 2016

Thomas Vazakas | Technical Director | RPS

The Energy Savings Opportunity Scheme (ESOS) was introduced by the Government in June 2014 and it obliges all large enterprises to carry out an energy efficiency audit every four years. The scheme is required under the 2012 European Energy Efficiency Directive and has a scope which is wider than current carbon schemes, such as CRC, as the focus is on energy, not carbon. ESOS also covers all parts of an organisation’s energy consumption, including buildings,...

Posted in Carbon emissions, Features, General News, Have your say, Legislation, Recommended

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The Great British Stand Off

Posted on March 1st, 2016

Lucy Pedler | Director | The Green Register

If you are working in the sustainable construction field, perhaps you will be having some engaging debates in the pub with colleagues about the best way to improve the performance of existing buildings. I know I am.

On the one hand (the argument goes), some existing buildings are losing so much heat through the elements we need to install as much insulation of whatever type to stop this wasteful loss of energy.

On the other hand there is...

Posted in Building envelope, Events, Have your say, Low and Zero Carbon Technologies, Recommended, Retrofit, Sustainable Development

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The Merits of The Green Register’s WUFI training course

Posted on February 1st, 2016

A review by Alain Speed from PDP London architects

I enrolled on the WUFI course with some trepidation. I regarded it as a privilege to have been sponsored by my employer, PDP London, and was determined to get to grips with the programme. WUFI’s reputation and that of the presenters loomed large. Gaining an understanding of the science behind building pathology (relating to harmful moisture) would allow me to make informed judgments when faced with the plethora of information out there about...

Posted in Events, Features, Have your say, Recommended

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Pitfalls and Solutions for Internal Wall Insulation

Posted on February 1st, 2016

Nick Lloyd | Urbane Eco

The most important thing to bear in mind when installing IWI is, in my view, to consider the large quantity of water vapour generated by building occupants, and what happens to it. A family of four will produce anything from ten to twenty litres of water in 24 hours; two litres while sleeping, a couple of litres bathing and showering, four litres cooking, a litre...

Posted in Building envelope, Features, Have your say, Low and Zero Carbon Technologies, Recommended, Retrofit, Sustainable Development

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Leaky Loos

Posted on January 4th, 2016

Cath Hassell | ech2o 

The 1999 Water Regulations (2000 Water Byelaws in Scotland) state that ‘all WC flushing cisterns should be provided with a connection for a warning pipe, the outlet of which is to discharge in a prominent position’ and that ‘an internal overflow discharging into the WC pan shall be deemed to meet the requirements of the Regulations’.

Before 1999 any overflow from a toilet had to terminate in an obvious place and internal overflows were very much ...

Posted in Features, Recommended, Water

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