Sustainability Report

Embodied carbon reduction is achieved primarily through material efficiency, durability, locality, and disassembly readiness, rather than carbon-intensive compensatory systems. Key strategies to reduce embodied carbon include:

• Structural optimisation through ribbed slabs and refined cantilevers, reducing concrete volume while maintaining span and performance.

• Compact high-rise massing in two slender volumes, optimising built surface efficiency relative to usable area.

• Use of local stone materials (Sierra Elvira and Macael marbles), limiting transport-related emissions.

• Demountable facade metal modules with concealed anchors, designed for repair, replacement, and reuse rather than full removal.

• Modular timber corridor cladding, allowing piece-by-piece replacement and extended service life.

• Avoidance of unnecessary finishes and preference for durable, low-emission materials.

Passive demand reduction

• Continuous external thermal insulation system (ETICS) eliminating thermal bridges.

• High thermal inertia envelope strategy.

• 1.50 m recessed openings and double-height shaded terraces for solar control.

• Blind north and south facades to improve airtightness.

• East–west daylight optimisation through longitudinal orientation.

Efficient systems

• Individual aerothermal systems for domestic hot water.

• Low-consumption DX HVAC systems.

• LED lighting with presence detectors.

• Monitored and controlled ventilation systems.

• Air-quality-driven garage ventilation, limiting fan use.

On-site renewable energy and measured operational performance

• Rooftop photovoltaic panels supply electricity for common areas.

• Non-renewable primary energy: 42.89 kWh/m²·year

• Operational emissions: 7.99 kgCO₂/m²·year

• Heating demand: 18.50 kWh/m²·year

• Cooling demand: 14.89 kWh/m²·year

• Natural garage ventilation via staggered slabs, reducing mechanical equipment, ducts, and fan replacement cycles.

• Humidity-controlled extraction grilles, lowering unnecessary ventilation loads.

• Demountable and repairable facade metalwork, extending component lifespan.

• Modular timber corridor linings, enabling selective repair without demolition.

• Accessible service routes, shafts, and inspection panels, reducing invasive maintenance operations.

• Layer-by-layer construction logic (e.g. inverted roof/terrace build-ups) supporting partial renewal rather than full replacement.