News analysis Regulations
chance of doing it. This is one of the
Part L ref it unveiled
measures that would have helped in Momentous changes will impact across the supply chain
doing that.”
Paul King, chief executive of The long-awaited government The consultation asks whether this consequential improvements to the
the UK Green Building Council consultation papers on changes should be a flat 25 per cent for all energy efficiency of a building, which
(UK-GBC), adds: “We are not going to Parts L (Conservation of Fuel non-domestic building types, or must be undertaken when certain
to achieve a ‘near zero carbon and Power) and Part F (Means an aggregate 25 per cent across “trigger works” are carried out.
built environment by 2050’ – the of Ventilation) of the Building the stock, with some building An interesting addition to
government’s aspiration set out in Regulations are probably the types facing more stringent the table of improvements,
its Heat and Energy Saving Strategy single most significant legislation targets. Comments are invited “that in ordinary circumstances
– by wishful thinking. affecting those who design on “the further trajectory towards are practical and economically
“We need concerted action, buildings, or manufacture, install zero carbon new non-domestic feasible”, is that measures
leadership and, frankly, to pull every and commission building services. buildings”. contained in a recommendations
lever within reach to transform Some proposals may even have The Department for report which accompanies an
our woefully inefficient existing an impact on energy assessors Communities and Local Energy Performance Certificate
homes and buildings. To drop producing recommendations Government (DCLG) proposes to is considered to be cost-effective.
a key measure, the so-called reports on existing buildings. tighten rules for commissioning of A new owner of a building or
‘consequential improvements’, that The package includes draft new buildings, with a requirement the building control officer may
could really help bolster the market revisions to the four Approved to certify that the commissioning need to rely on the content of
for energy efficient refurbishment, Documents (ADs) to Part L, and plan has been followed. It also a recommendations report to
sends the opposite signal. revises the detailed calculation suggests that when building inform a decision about regulatory
“The new housing minister is still methodology for emissions control checks that the CO2 target approval of subsequent works. This
getting his feet under the table, and ratings of new buildings. But the emission rate (TER) complies highlights the need for clients to
I hope he can find a way to catch the overall approach of setting carbon with the regulations, they should ensure that the reports are properly
rather valuable thing that has just emissions targets, with the five confirm that a commissioning plan commissioned and are tailored to,
fallen off it.” compliance criteria to satisfy, has been prepared when the TER and reflect, the circumstances of
Dr Ian Pegg of consultancy Buro remains in place. As the energy calculations are submitted. This the particular building. There may
Happold says the government targets become more onerous, recognises that commissioning is be potential for so called “drive
must now find another way to tackle it is expected that buildings will neglected too often. by” recommendations reports to
emissions from existing buildings – become more airtight. The package Another detailed change become a bone of legal contention
regardless of the instruments used. therefore includes proposals proposed for both ADL2A and B is if the proposed changes to this
“The 80 per cent reduction for changes to the ventilation that energy efficiency requirements aspect of ADL2B are adopted.
in greenhouse emissions could requirements in Part F, and ADF. apply not only where energy is used Hywel Davies, CIBSE
partially be achieved in the existing And a significant change is to to provide comfort for occupants,
stock by introducing a city-wide give greater emphasis to the but also to any building space
www.communities.gov.uk/
decentralised energy network, as is distinction between the regulatory where energy is used to condition publications/planningandbuilding/
being planned in London. requirements, set out in Part L (and the indoor climate – such as server partlf2010consultation
“This scheme has recognised F), and the guidance set out in the rooms and cold stores.
that large-scale carbon savings Approved Documents on how to The majority of buildings that CIBSE will be preparing a response
must be centrally planned and meet the requirements. will be in use in 2050 are already ahead of the September closing
require a partnership between To achieve the target of all new built, and are generally less energy date for the consultation on Parts
private and public bodies, with homes being zero carbon by efficient than newer buildings. The L and F. There may be regional
real investment. This is the first 2016, energy efficiency standards package considers how to improve and group events during the next
step towards a low-carbon heating for new homes will be improved these buildings, with changes two and a half months to consider
network to rival Copenhagen or relative to 2006 levels by 25 per to the requirements that apply aspects of the proposals and to
Stockholm. cent in 2010 and 44 per cent when existing buildings undergo contribute to the overall CIBSE
“Other opportunities to affect in 2013. For new non-domestic work that is within the scope of response. Any members wishing
the existing stock would involve buildings, the proposal is for a 25 Building Regulations. Section 6 of to contribute to the response are
enabling new developers to pay per cent improvement in 2010. ADL2B sets out requirements for invited to visit
www.cibse.org/partl
into a local ‘green fund’ instead of >
www.cibsejournal.com July 2009 CIBSE Journal 15
CIBSEjul09 pp14-17 newsanalysis.indd 15 25/6/09 15:44:18
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