At Vertex, our sustainability offering is built on deep expertise in building physics, energy performance, and low‑carbon design. We help clients create buildings that are not only compliant with current regulations but genuinely optimised for long‑term environmental performance. Our approach combines accredited energy‑modelling software with advanced analytical methods, ensuring every design decision is backed by robust, evidence‑based insight.
We deliver detailed heating and cooling peak‑load assessments to support accurate plant sizing, energy efficiency, and comfort‑driven design. These calculations form the foundation of resilient, low‑carbon mechanical strategies and help project teams avoid oversizing, unnecessary capital cost, and avoidable operational energy waste.
Our team provides full Part L 2021 compliance modelling, including notional building comparisons, fabric and system optimisation, and carbon‑reduction strategies aligned with the latest Building Regulations. We also support Part O compliance, offering dynamic thermal modelling to assess solar gains, glazing performance, ventilation strategies, and overheating risk in line with regulatory requirements.
For more complex or high‑risk environments, we undertake TM52 and TM59 overheating assessments, using CIBSE‑approved methodologies to evaluate thermal comfort, resilience, and occupant wellbeing. These studies are essential for residential, education, healthcare, and mixed‑use developments where overheating is a critical design challenge.
To support realistic, operationally focused design, we also deliver TM54 Operational Energy evaluations, helping clients understand how buildings are likely to perform in use—not just in theory. This enables more accurate energy forecasting, better net‑zero planning, and improved building performance outcomes.
Across every project, our sustainability and building‑physics services ensure designs are predictive, performance‑driven, and aligned with the UK’s transition to low‑carbon, climate‑resilient buildings. Whether supporting early‑stage concept design or detailed compliance modelling, Vertex provides the technical clarity and strategic insight needed to deliver truly sustainable outcomes.