Unit 35 Sustainable Methods of Construction (T/618/8111) Assignment Brief 2026

Unit 35 Sustainable Methods of Construction Assignment Brief

Introduction

The construction industry seeks to be dynamic and forward thinking but, in reality, most buildings are still constructed using many of the same materials and processes that have been utilised for centuries. While there is accumulated knowledge in the use of ‘tried-and-tested’ methods, these are not always the most efficient or cost effective. Combined with this is the fact that the construction industry is one of the largest contributors to CO2 emissions and is under increasing pressure, and legislation,  to improve its processes and practices.

However, the industry faces further challenges. As one of the most important sectors of the global economy, it is imperative that construction is able to meet the demands for housing, office, institutional and commercial development. Continuing to build using traditional methods will not be sufficient. One of the ways in which the sector is exploring how to address sustainability and increase productivity is through the development and implementation of alternative forms of construction.

On successful completion of this unit, students will have examined how the construction industry impacts on the environment, explored alternative construction methods that are fit for purpose, considered government policy implications and health and safety constraints associated with alternative construction methods, and designed a fit-for-purpose structure using an alternative construction method.

Learning Outcomes

By the end of this unit, students will be able to:

LO1 Examine how the construction industry impacts on the environment and how changes in the industry can create broader social and economic benefits

LO2 Explore sustainable construction methods that are fit for purpose in a  given context

LO3 Discuss the potential benefits and challenges associated with different forms of sustainable construction

LO4 Present a design proposal, utilising a selected sustainable construction method, and explain how it is ‘fit for purpose’ in the given context.

Essential Content

LO1 Examine how the construction industry impacts on the environment and how changes in the industry can create broader social and economic benefits

• Environmental impact
• Global warming
• Carbon emissions
• Construction statistics (e.g., carbon emissions, energy consumption)
• Social and economic factors
• Industry contribution to national economies
• Government targets (e.g., carbon reduction, energy use)
• International agreements/accords (e.g., Paris Agreement, Kyoto Protocol)
• Housing demand (e.g., affordable homes, housing market)
• Urbanisation (greenfield use, brownfield sites)
• Sustainability protocols
• Passivhaus/Passive House
• BREEAM
• LEED
• SAP (Standard Assessment Procedure)
• Code for Sustainable Homes

LO2 Explore sustainable construction methods that are fit for purpose in a given context

• Timber systems
• Timber frame
• Cross-laminated timber
• Off-site manufacture
• Prefabrication
• Panelised systems (e.g., structural insulated panels (SIP), ceramic composite panels)
• Volumetric systems
• Modularisation/componentisation
• Other
• Traditional
• Rammed earth
• Cob/adobe
• Sandbag
• Straw bale
• Other

LO3 Discuss the potential benefits and challenges associated with different forms of sustainable construction

• Potential benefits
• Improved working conditions (e.g., off-site construction in controlled environment)
• Reduced environmental impact (e.g., reduced waste, lower emissions, better component/building performance, better use of renewables)
• Faster construction (e.g., off-site construction has less impact from adverse weather, automated systems can operate longer hours, modular/panelised systems require less time on site)
• More reliable/higher quality (e.g., off-site construction works at lower tolerances, less human error, technology integration throughout process)
• Challenges
• Market acceptance (e.g., public perception of ‘new’, untested at larger-scale buildings)
  Industry investment (e.g., cost of off-site facilities, retraining of staff, closing ‘skills gaps’)
• Legislation and regulation (e.g., some building regulations do not support alternative methods, complex health and safety regulations (off-site+on-site))

LO4 Present a design proposal, utilising a selected sustainable construction method and explain how it is ‘fit for purpose’ in the given context

• Client requirements
• Building use
• Budget
• Environmental targets
• Project type
• Residential (e.g., multi-occupancy, apartments, flats)
• Commercial (e.g., office buildings, shopping centres)
• Cultural (e.g., museums, theatres, stadiums, exhibition halls)
• Industrial (e.g., factories, warehouses, garages)
• Medical/scientific (e.g., hospitals, clinics, laboratories)
• Project scale
• Single-storey vs multi-storey
• Long-span
• High traffic (e.g., large number of occupants/users)
• Design proposal
• Strategy
• Feasibility (e.g., construction costs, operational costs)
• Drawings/models (e.g., plans, sections, elevations, details)
• Permissions (e.g., planning permissions, building regulations, health and safety)

Learning Outcomes and Assessment Criteria

Recommended Resources

Print resources

COTTERELL, J., DADEBY, A. (2012), The Passivhaus Handbook: A practical guide to constructing and retrofitting buildings for ultra-low energy performance, Green Books

ELIZABETH, L., ADAMS, C. (2005), Alternative Construction, Wiley

GARBER, R. (2014), BIM Design, John Wiley & Sons

HICKEY, T. (2014), Construction Technology: Designing Sustainable Homes, Gill Education

JONES, B. (2015), Building with Straw Bales, Green Books

LAWSON, M., OGDEN, R., GOODIER, C. (2014), Design in Modular Construction, CRC Press

MCDONOUGH, W., BRAUNGART, M. (2010), Cradle to Cradle: Remaking the Way We Make Things, North Point Press

Links

This unit links to the following related units:

• Unit 2: Construction Technology
• Unit 4: The Construction Environment
• Unit 13: Building Information Modelling
• Unit 14: Principles of Refurbishment
• Unit 15: Principles of Alternative Energy
• Unit 23: Construction Economics & Sustainability
• Unit 32: Advanced Construction Drawing & Detailing
• Unit 33: Construction Technology for Complex Buildings Projects
• Unit 47: Advanced Building Information Modelling

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