Jon Trinick adds that some people had been concerned that Cameron Close, by not embracing the most cost - effective building forms and completely optimised glazing, might be dangerous to the adoption
of the passive house standard and the perception of its affordability.
«We both wanted to be sure we understood the rigours
of the passive house standard and to see if the end result was something we liked living in, before suggesting it to clients.
For a start, the plans won't come into force until next year, so there's plenty of time for builders and developers to get to grips with the technical side
of the passive house standard, and to ensure tradespeople have the relevant skills.
Not exact matches
The first blower door test result was 0.59 air changes per hour (ACH), prior to insulating the envelope, which everyone was keen to improve on as it only marginally passed the
passive house standard and was prior to fitting services, which are known to increase the risk
of air leaks.
There are a number
of ways that
passive house has closed the «performance gap» — including detailed thermal analysis
of junctions and windows, and a high
standard of on - site quality assurance — but another factor is the use
of conservative estimates for internal heat gains.
«Phase two was really our test bed to see if we could get close to the
passive house standard on a commercial scale,» Barry Durkan of Durkan Residential told Passive House
house standard on a commercial scale,» Barry Durkan
of Durkan Residential told
Passive House House Plus.
Although it would doubtless have been out
of the question on this site, Patrick Osborne agrees that a new build
passive house — fitted out to a similar
standard — would not necessarily have cost more, and might even have cost less.
Three
of these are new four - bedroom terraced
houses, built to the
passive house standard, and the first new social
housing built by Lambeth council for ten years.
A diagnostic initial blower door test, done when the external envelope was completed on one
of the development's show
houses, took place on December 12 and delivered a worldbeating result
of 0.16 air changes per hour (ACH), well inside the
passive house standard of 0.6 ACH and the best result this magazine has ever noted for a masonry building.
Taking all
of these factors together, very low U-values needed to be achieved in the walls, floor and roof in order to reach the
passive house standard.
He's gone from a two - room cottage to a
passive standard two - storey, by way
of a 1990s low - energy
house.
Building the third scheme to the
passive house standard has only required a few tweaks to the design
of phase two — including the selection
of MVHR over DCV, an upgrade from double to triple glazing, and a 40 mm increase in external insulation to the walls, which are all built from single leaf nine inch hollow blocks.
Along with a much wider ecological agenda, the
house employed fabric first principles
of insulation and airtightness, and met
passive house design targets at a time when the
standard was still in its infancy in the UK.
All new buildings in south - east Dublin must be built to the
passive house standard or demonstrably equivalent levels, in a move that may lead to the construction
of upwards
of 20,000
passive houses by 2022.
Professor Ürge - Vorsatz was also one
of two co-ordinating lead authors
of the chapter on mitigating emissions from buildings in the Intergovernmental Panel on Climate Change's fifth assessment report, which was published in 2013, and also explicitly advocated for the
passive house standard.
«Cities are becoming the powerhouse
of action, more than national governments,» she said, describing the decision by Dún Laoghaire - Rathdown County Council in Dublin to make the
passive house standard mandatory for new buildings as «fantastic».
Chapter five
of the report, which focuses on energy efficiency, includes a dedicated section on the
passive house standard.
Daire estimates that the cost
of opting for the
passive house standard compared with the conventional build originally tendered for was just 6pc higher, which included the heavier insulation and thermal bridge detailing, airtightness work, the MVHR system and the
passive house certification.
«We wanted to achieve a high level
of airtightness and also ventilation, to achieve as close to [the
passive house standard] as possible.
Any local authority seeking to play its part in answering the WMO's call for radical efforts to reduce carbon emissions would be wise to follow the recommendations
of another UN agency, the Intergovernmental Panel on Climate Change, whose latest report on climate change mitigation options, AR5, placed particular emphasis on the
passive house standard.
Designing and building a massive temple to modernism with an emphasis on reduced energy consumption is more common than ever, and, the question
of big expanses
of glass notwithstanding, it is possible to build dream homes that meet the
passive house standard.
The table at the start
of the buildings chapter which summarizes the chapter's main findings organized by major mitigation strategies lists the
passive house standard as the first option in terms
of system (infrastructure) efficiency.
As passivehouseplus.ie reported at the time, Dublin City Council voted at the end
of May to retain a policy in the draft city development plan requiring the
passive house standard or equivalent for all new buildings in the city, in an early sign that Dún Laoghaire - Rathdown's initiative could serve to inspire others.
Dún Laoghaire - Rathdown County Council's decision in April to require the
passive house standard or demonstrably equivalent approaches as a planning requirement for all new buildings in the county is a shining example
of such a policy.
For instance, Exeter City Council designs all
of its buildings to the
passive house standard, using 2080 weather files.
While embracing traditional farmstead design made it trickier for this new build home in the Scottish Highlands to meet the coveted
passive house standard, mixing modern
standards of super-insulation with vernacular farmhouse architecture ultimately led to the creation
of a very special home for proprietors Jeanette and Jon Fenwick — one that picked up a coveted UK Passivhaus Award in 2016.
And even though he didn't set out to build a
passive house, he managed to meet the
standard while doing almost all
of the work in conjunction with his father, while exceeding the targets
of Ireland's nearly zero energy building definition.
Built with a timber frame insulated with straw - bale, and featuring an extensive suite
of ecological and recycled materials, this stunning North Yorkshire home also produces more energy than it consumes, making it the first straw - bale building in the world to reach the brand new «
passive house plus»
standard.
Completed early this year, the new Centre for Medicine at the University
of Leicester is by far the largest single building in the UK to meet the
passive house standard — and not surprisingly, its design and construction posed tough new challenges for how to meet the rigorous low energy
standard on such a large, complicated building.
With an intricate design based on the concept
of two pitched - roof sections that overlap, this eye - catching timberframed Sussex home proves you can meet the
passive house standard with just about any shape.
Sam Mays Architect In the hands
of the right architect, meeting the
passive house standard needn't involve compromising on design.
However, the two homes were certified to the less onerous AECB Silver
Standard, which is based on
passive house principles of fabricfirst design and high quality ventilation, and is designed using the Passive House Planning Package soft
house principles
of fabricfirst design and high quality ventilation, and is designed using the
Passive House Planning Package soft
House Planning Package software.
It can also be designed according to
passive house standards, while there is also the option
of taking it off - the - grid by installing a solar power array, composting toilet, water tanks and a gray water system.
Despite this, the building achieved an airtightness
of 0.39 air changes per hour, well within the
passive house standard of 0.6.
The draft development plan makes no reference to the
passive house standard relieving developers
of the need to ensure that buildings comply with Part L — or any other part —
of building regulations.
So the
Passive House Institute US (PHIUS), of which I'm a board member, developed new climate - specific passive house stand
House Institute US (PHIUS),
of which I'm a board member, developed new climate - specific
passive house stand
house standards.
«Failure to remove [the
passive house proposal] will entail the consideration, by the Minister,
of the use
of the powers available to him under Section 31
of the Planning Act to ensure the overall coherence
of the plan as regards
housing supply and
housing standards components,» the submission, made by a senior civil servant on behalf
of Minister Kelly, states.
The building scored an impressive airtightness test result
of 0.5 air changes per hour at 50 Pascals — a score that not only blitzes the requirement for Enerphit (the
passive house standard for retrofit), but comfortably beats the new build
passive house target
of 0.6 ACH too.
What is true is that to certify an opaque building element — such as a wall system — as a
passive house component, the manufacturer does have to come up with
standard connection details which have psi - values
of 0.01 W / mK or less.
In light
of objections by the construction industry to plans by Dún Laoghaire Rathdown County Council to make the
passive house standard mandatory in the area, we decided to republish this 2012 article from Village magazine by our deputy editor, Lenny Antonelli, which details the history
of the industry's objections to higher
standards.
And yet despite tougher building regs and a surge
of interest in the
passive house standard there hasn't been any significant palpable change in our knowledge as an industry in terms
of what thermal bridging actually is, what the regulations require us to do when it comes to accounting for thermal bridging in buildings, how we minimise thermal bridging effects at design stage, where it sits in the overall context
of a BER or Sap assessment and so on.
We built the first
passive house — the leading
standard of ultra low energy building — in the English speaking world, and we've become a world leader in this
standard.
«We've wanted to get to
passive house, to a new
standard of construction,» says Patrick Durkan.
The use
of an oak frame constrained the size and shape
of the
house, but the need for a compact dwelling also lent itself to meeting the
passive house standard.
This remarkably low cost build in rural Co Meath adds to the evidence that it's possible to meet the
passive house standard on a tight budget — with a number
of additional green technologies thrown in for good measure
That said, it's undoubtedly true that simpler, more compact building forms make it easier and cheaper to build to the
passive house standard — though this also applies when building to any
standard — so the notion
of the boxy
passive house endures.
A quick review
of the site identified that while the terrace
houses could be adapted to the
passive house standard, the three remaining units had a poor orientation and form factor and were unlikely to achieve the
passive house standard cost - effectively.
Leading
passive house rooflight supplier DVS recently designed, supplied and installed two large Passive House Institute - certified glass roofs for the University of Leicester's Centre for Medicine, the largest non-residential building built to the passive house standard in th
house rooflight supplier DVS recently designed, supplied and installed two large
Passive House Institute - certified glass roofs for the University of Leicester's Centre for Medicine, the largest non-residential building built to the passive house standard in th
House Institute - certified glass roofs for the University
of Leicester's Centre for Medicine, the largest non-residential building built to the
passive house standard in th
house standard in the UK.
One third
of the units at a new social
housing development in the East Midlands have met the
passive house standard — but the entire project was inspired by fabric first, low energy design.
The client had originally looked at the possibility
of meeting the Enerphit
standard for retrofit, but thought it would be too expensive, though they still planned to adopt
passive house design principles.