Case Studies > Life Cycle Assessment and Life Cycle Costing
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Life Cycle Assessment and Life Cycle Costing

Minster Close 

The Minster Close project, located in Hatfield, comprises the demolition of the existing buildings and the replacement of these with up-to-date modern accommodation for over 55s.

Eight Associates was appointed as the BREEAM Assessors for this scheme by Press and Starkey. As part of a package to achieve a score of ‘Very Good,’ a life cycle assessment (LCA) and life cycle costing (LCC) exercise was undertaken, offering a potential of BREEAM 14 credits (including 3 exemplary credits).

Using LCA software, Eight Associates evaluated the embodied carbon of the proposed development, as well as analysed a variety of potential alterations to the superstructure, substructure, and hard landscaping that could reduce this impact. Undertaking this at the concept design stage (equivalent to RIBA Stage 2), 5 credits were achieved under Mat 01 criteria, approximately 5.4% of the credits required to achieve a ‘Very Good’ score; and 2 credits were achieved under Man 02 criteria, approximately 1% of the credits required. It is estimated that for the Technical Design Stage (equivalent to RIBA Stage 3-4), a further 4 credits can be achieved. 11 of the potential 14 credits are predicted to be achieved.

The LCA and LCC exercise allowed Eight Associates to contribute a sizeable portion of the BREEAM credits to achieve the target score, whilst simultaneously providing the design team with a number of options which could reduce the embodied carbon of the development. The scheme could achieve an embodied carbon of 320 kg CO2e/m2 through the substitution of concrete floors for cross laminated timber which almost achieves the RIBA Climate Challenge’s 2030 Benchmark.

Client quote: “Eight Associates undertook the Life Cycle Analysis and Life Cycle Costing at the Concept Design stage effectively and in a timely manner, which enabled our scheme to achieve 6% of the credits required for the targeted BREEAM score. We are looking forward to working with Eight Associates at Technical Design to achieve a further 3% of the targeted credits, their comprehensive approach and collaborative service has proved to be very valuable and has provided significant benefit to our BREEAM rating and project overall.”

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Client Quotes
"Eight Associates has worked for Cadogan for many years to help us reach our objective to develop more sustainable buildings on the Estate. We have found their assistance in helping us to achieve this objective invaluable and Eight Associates form an integral part of the develop team in reaching this goal."
Nicholas Dutton
Head of Building Surveying, The Cadogan Estate
"We have worked with Eight Associates for many years and always found them fast and responsive and with a practical approach to sustainable design."
Max Horwell
Partner at E+M Tecnica
"Eight Associates has rapidly become the 'go to' consultancy for all our ecology and arboricultural requirements. Each member of this friendly team has impressed us with their expertise, pragmatism and efficiency. The professional, 'fuss free' services mean we can turn projects around very quickly for our clients, which is critical for our business."
Andrew Brooks
Development Manager at Lumiere Property
"Our experience of working alongside Eight Associates on a variety of projects is of a professional and progressive company. Clients benefit from an efficient multidisciplinary approach, that provides a very effective service to developers, architects, institutions and property owners in relation to their environmental, ecological, planning and sustainability matters."
Jason Mills
Writtle Forest Consultancy Ltd.
"Eight Associates is a lovely company to deal with and I recommend with enthusiasm anyone who would consider them. They are diligent and professional, usually actioning before their deadlines – great team players."
Steve Reynolds
Director, Thornton Reynolds Engineering Consultancy
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