Environmental and health related criteria for buildings - ANEC

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IBO - Environmental and Health related Criteria for Buildings 4.3. BREEAM – UK Residential buildings BRE developed a scheme for the assessment of housing called “EcoHomes” which can assess new homes, apartments/flats, and houses, apartments and flats undergoing major refurbishment at the design stage and post construction. The scheme EcoHomes became a national code in an adapted form in April 2007 and is mandatory from 1st May 2008 for all new self contained dwellings in England to include a Code for Sustainable Homes (CSH) certificate in the Home Information Pack (HIP). The Code has been drafted by the BREEAM Centre at the Building Research Establishment (BRE) under contract to the Department for Communities and Local Government. The Code for Sustainable Homes (CSH) is a national standard for use in the design and construction of new homes with a view to encouraging continuous improvement in sustainable home building. CSH was based on BREEAM Ecohomes but differs to the common BREEAM schemes in main categories, rating levels (level 1 to 6 where 6 is the highest), weightings and targets to achieve. CSH has been selected for comparison as it is the assessment which all new build homes in England have to undergo since May 2008. CSH assesses individual dwellings (instead of group of dwellings) and establishes minimum mandatory standards for CO 2 emission rates, indoor water use, materials, waste and surface water run-off, for achieving even the lowest level of the Code. For dwellings which do not achieve the minimum Code rating, a certificate is issued which shows a summary of the performance achieved, but does not show a rating from 1 to 6. For dwellings which are not assessed, a nil-rated certificate is issued. In addition to the mandatory standards, each design category scores a number of percentage points. The total number of percentage points establishes the Level or Rating for the dwelling. The certificate illustrates the rating achieved with a row of stars. A blue star is awarded for each level achieved. Where an assessment has taken place by where no rating is achieved, the certificate states that zero stars have been awarded. From the 1st of May 2008, a minimum of Code Level 3 is required for all new housing promoted or supported by the Welsh Assembly Government or their sponsored bodies and from 2nd June 2008, Code Level 3 is required for all new self-contained social housing in Northern Ireland. The Code does not apply in Scotland. The code contains mandatory performance levels in 6 key areas (see 13.2 Appendix: Code for Sustainable Homes (CSH)) which are the following - Energy and CO 2 Emissions - Water Efficiency - Water Surface Run-off - Site Waste Management - Household Waste Management - Materials - Lifetime Homes (only Level 6) Final Report 28 31 03 2011
IBO - Environmental and Health related Criteria for Buildings Additional credits are available in the following categories: Energy and CO2 Emissions, Water, Materials, Surface Water Run-off, Pollution, Health and Wellbeing, Management, Ecology. Code assessments are normally carried out in two stages: - Design Stage leading to an Interim Certificate - Post-Construction Stage leading to a Final Certificate The scheme “BREEAM Multi-residential” is intended for use on multi-occupancy residential buildings which are not suitable for assessment under the Code for Sustainable Homes (CSH) or EcoHomes, e.g. student halls of residence, key worker accommodation, care homes that do not consist of extensive medical facilities, sheltered housing and other multiresidential buildings which contain residential accommodation with communal areas, of which make up more than 10% of the total Net Internal Floor area. As the market for residential buildings is primarily regional and many indicators reflect local conditions, there is still no international BREEAM scheme available to assess buildings in the European Community or world-wide although development is ongoing. Today, residential buildings in Europe are assessed under the scheme “Bespoke” which means that the set of indicators is specially tailored to each building undergoing assessment. For Spain, a national BREEAM scheme for residential buildings as well as for commercial purposes and communities has been developed by the Instituto Tecnológico de Galicia (ITG). The core principles and issues, as held within all BREEAM schemes, will remain consistent to maintain the quality of BREEAM assessed buildings. Categories Credits are awarded in ten categories according to performance. The total sum of credits can vary within the categories assessed for different building types and schemes. BREEAM 2008 Environmental weightings (valid for e.g. multiresidential buildings in UK) MAN Management 12% HEA Health and Well-being 15% ENE Energy 19% TRA Transport 8 % WAT Water 6 % MAT Materials 12.5 % WST Waste 7.5% LE Land Use and Ecology 10% POL Pollution 10% INN Innovation 10% Innovation credits provide additional recognition for a building that innovates in the field of sustainable performance, above and beyond the level that is currently recognised and rewarded within standard BREEAM issues. Innovation credits therefore enable clients and design teams to boost their building’s performance and in addition, help support the market for new innovative technologies and practices. An additional 1% score can be added to a building’s final BREEAM score for each Innovation credit achieved. The maximum number of Final Report 29 31 03 2011
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Environmental and health related criteria for buildings - ANEC

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