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Design-led architecture for homes, places and people
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Sustainability at MK40 Architects​

At MK40 Architects, sustainability is embedded in every stage of design, specification, and delivery. Our approach aligns with the RIBA Sustainable Outcomes Framework, ensuring that each project is guided by measurable, evidence‑based performance targets across operational energy, embodied carbon, health, resilience, and social value. We integrate these outcomes into our workflows from the earliest briefing stages, enabling clients to make informed decisions that balance cost, performance, and long‑term value.

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1. Net Zero Operational Carbon

We adopt a fabric‑first strategy to minimise energy demand before introducing low‑carbon technologies. Our design process includes:

  • Early‑stage energy modelling and sensitivity testing

  • Optimised orientation, shading, and daylighting strategies

  • High‑performance insulation, airtightness, and thermal bridging control

  • Natural and mixed‑mode ventilation strategies

  • Integration of heat pumps, MVHR, and on‑site renewables where appropriate

This ensures that buildings meet or exceed emerging Net Zero operational benchmarks and remain resilient to future regulatory tightening.

2. Net Zero Embodied Carbon

We assess embodied carbon across the lifecycle, prioritising:

  • Retention and retrofit of existing structures

  • Low‑carbon materials such as timber, lime, and recycled content products

  • Specification of durable, repairable components with long service life

  • Reduction of high‑impact materials (e.g., concrete, aluminium) where feasible

  • Collaboration with suppliers to obtain EPDs and transparent carbon data

Our specifications are developed to support circularity, reduce waste, and enable future adaptability.

3. Sustainable Water Cycle

We incorporate water‑efficient design through:

  • Low‑flow fixtures and fittings

  • Rainwater harvesting and greywater reuse where viable

  • Permeable surfaces and SuDS‑aligned landscape strategies

  • Reduction of potable water demand in line with best practice

These measures reduce operational costs and improve site resilience.

4. Sustainable Land Use & Ecology

Our projects enhance ecological value through:

  • Biodiversity‑led landscape design

  • Native planting and habitat creation

  • Green roofs, green walls, and pollinator‑friendly strategies

  • Minimising soil disturbance and protecting existing trees

We aim for measurable net biodiversity gain wherever possible.

5. Good Health & Wellbeing

We design environments that support occupant health through:

  • Optimised daylight factors and glare control

  • Natural ventilation and indoor air quality strategies

  • Acoustic comfort aligned with Approved Document E and relevant standards

  • Thermal comfort modelling to mitigate overheating (Part O compliance)

Our approach ensures comfortable, healthy spaces that perform year‑round.

6. Sustainable Communities & Social Value

We consider the wider social impact of our work by:

  • Designing inclusive, accessible environments

  • Supporting local character and community identity

  • Engaging stakeholders early and transparently

  • Ensuring long‑term adaptability and stewardship

7. Sustainable Connectivity & Transport

We integrate transport considerations through:

  • EV charging infrastructure

  • Secure cycle storage and active travel routes

  • Reduced car dependency through site planning and connectivity analysis

8. Net Zero Whole Life Carbon

By combining operational and embodied carbon strategies, we work toward whole‑life Net Zero outcomes. Our workflows include:

  • Lifecycle carbon assessments

  • Maintenance and replacement planning

  • End‑of‑life circularity considerations

 

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