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Insight
Home Insights The circular economy in office fit out
The circular economy is an alternative to the standard, linear economy of make, use and dispose. Read on to find out how it relates to construction and fit out.
James Shears
Environmental and Sustainability Manager
Wednesday, 30th April 2025
4 minutes read time
About James
The circular economy is an alternative to the standard, linear economy of make, use and dispose. Instead, it aims to keep resources in use for as long as possible and then recover or recycle the materials at end of life.
A move to a circular economy is getting more important as Earth Overshoot Day gets earlier every year. Earth Overshoot Day is the date when humanity’s demand for resources and services in a given year exceeds what Earth can naturally regenerate in that year – in 2024 it was the 1st of August.
‘Transitioning to a circular economy entails decoupling economic activity from the consumption of finite resources. This represents a systemic shift that builds long term resilience, generates business and economic opportunities and provides environmental and societal benefits.’ - Ellen McCarthur Foundation
Reed Smith, BREEAM Excellent
‘In a Circular Office, decision making should seek to design out waste entirely and retain the maximum possible value of resources for as long as possible. The lifecycle of products and materials should be considered from the outset, with awareness of how the resources flow from procurement, through usage, to the end of service life.’ - The Prince’s Responsible Business Network.
Circularity is crucial to the whole lifespan of an office: from its design and construction, through to its use, operation and eventual deconstruction. Design and construction – To make sure the office space is adaptable to change without wasting materials or products, both its present and future use should be a key consideration during the design phase:
Capital Group, Paddington, LEED Gold, BREEAM Excellent
Use and operation – Optimise use of existing resources within the office and minimise waste created during day to day use:
Deconstruction – When an office space gets to the end of its usable life we should consider deconstruction instead of demolition. During this process it is important that all materials are considered:
Conde Nast, London, material reuse initiatives
‘The bulk of emissions for new buildings are front loaded and twice as high as those from refurbished buildings.’ – Dave Cheshire, The Handbook to Building a Circular Economy.
One of the largest sources of carbon is embodied carbon - the carbon emitted in the sourcing of raw materials and the manufacture, transportation and consumption of new products.
By reusing materials and products, keeping their value for as long as possible, we are reducing the need to source, manufacture and transport new raw materials, resulting in reduced embodied carbon.
Lancaster University, Lancaster, embodied carbon assessment undertaken
Perhaps the biggest challenge for designers and contractors is creating an open mindset to consider ways of challenging traditional design, doing things differently and being innovative. This is needed to break away from the norm of what worked before in the linear economy.
One of the first actions for the contractor when thinking circularly is to identify ways they can design out waste from the design and construction process, thereby increasing material efficiency:
When designing a space, consider the different scenarios that would change the use of the space and design accordingly. COVID was a good example of how the use of offices has drastically changed, with a greater need for hotdesking, social distancing and collaboration spaces, rather than the traditional workspaces we were used to. Ensure that the spaces being designed are adaptable to future needs without needing large level changes and wastage of materials.
Reusing existing materials is one of the best options for both reducing the carbon of an office fit out and embracing the circular economy. Through retaining the materials for their initial use, the quantity of materials having to be sourced or manufactured is minimised.
Arup, Leeds
Recycling is the outermost ring of the circular economy and so is less desirable than reuse or designing out waste. However, it is not always possible to use reused or refurbished products and in these situations contractors should look to source products with high levels of recycled content within them.
Many manufacturers offer closed loop recycling take back schemes where they take offcut and stripped out material to be directly recycled into new products; this is common in the plasterboard and carpet industries. Closed loop recycling means the material keeps its value and is recycled into a new product of the same value with the same material properties; this is a circular option, where the value is retained.
Be careful to ensure that you are using a manufacturer's closed loop recycling take back scheme, rather than a scheme where they simply send materials on for general recycling and are not recycled directly into new products. A lot of materials that are recycled are in fact downcycled, where the value of the material decreases until the material cannot be utilised anymore.
For instance, solid wood will be chipped and remade into boards, which then may be chipped again and made into animal bedding where its life is likely finished before being incinerated or composted.
Mills & Reeve, Leeds
Part of a successful circular office is ensuring longevity of the space and that it’s built to last. Often when a product has broken it is either in a sealed container or is too complex to be able to repair. Longevity involves ensuring that the products installed are repairable or replacement parts are widely available.
Interface: Interface’s I2 tiling mimics the haphazard and random patterns of nature, where every tile is different in colour, pattern and texture. This means the tiles blend together no matter where or when they are purchased and installed, meaning if one tile is damaged it can be swapped out for a new tile without replacing the whole floor.
Signify's lighting as a service: Signify offers a ‘Pay per lux’ service, where a client pays for the light they consume rather than buying the lighting units themselves. Instead, they are paying for the design, install, maintenance, repair and upgrade of the lighting. This means it is in Signify’s best interest to ensure the lighting is the most efficient, long lasting units they can be. At the end of the contract, the fittings are returned to be refurbished or upgraded to be used again.
GSK, London, BREEAM Outstanding, WELL Platinum
Buildings should be thought of as ‘material banks’. The materials are ‘deposited’ into the building during its construction, but as they retain value over time, they should be ‘withdrawn’ at the end of their original building’s life to be used for another purpose.
When designing and building a space, the end of life and deconstruction of the space should be given as much consideration as its install and daily use. The installers have the most knowledge on how to deconstruct spaces and products, it’s vital that this information is written down in a deconstruction guide or operation and maintenance manual for when the space is stripped out. This should include information on how the element, product or space has been constructed, the fastenings, that were used, the best techniques for deconstruction in layers etc.
Where possible, mechanical fastenings should be used, as they allow for materials and products to be carefully removed and separated, whereas adhesives and glues can prevent easy separation of materials and can impede the recyclability of the materials. There should also be an aim to install materials that can easily be removed; demountable partitions, for example, can be removed with much less wastage of materials.
Fortrea, Drapers Yard, Leeds, BREEAM Very Good
Composite materials, made of different materials bonded together, should be avoided as they can’t easily be separated and recycled. Materials that are difficult to manage at end of life, such as PVC, should be avoided as well.
The programme of a project should be carefully considered to ensure enough time is given to the deconstruction process, allowing for removal in layers, which will maximise reusability and recyclability. A deconstruction programme that is too short will mean corners are cut and the cut and carve process of traditional strip outs could occur.
We have identified what we see as the missing piece of the fit out circular economy puzzle - a ‘Deconstruction & Disassembly Guide’.
In a recent project, this deconstruction guide formed part of the project training and handover period, allowing the end users to input and provide feedback. The guide is in digital format and contains descriptive and visual (images and videos) information.
This guide was developed in close collaboration with our subcontractors, incorporating input from each of their packages on how to disassemble and deconstruct components, maximise material recovery and reuse and prevent materials from entering waste streams.
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