St Mark’s Mansions
- Client: Grosvenor Estate
- Architect & Carbon Consultant: Sturgis Carbon Profiling
- Structural Engineer: Hurst Pierce + Malcolm
- Contractor: Bastows
- Location: Mayfair, London
High-level thermal retrofit of substantial converted Victorian house.
R.J Withers built this Victorian property in 1872. Sturgis Carbon Profiling was appointed to provide thermal improvements to the existing fabric of all 8 apartments. The challenge was to achieve this whilst retaining existing historic features and detailing.
SCP’s approach included:
- Conversion of a disused roof void into luxury apartments
- Installation of 48 PV panels
- Highly efficient internal insulation including breathable aerogel to achieve low u-values on existing historic façades whilst maintaining their characteristics
- Replacement of all existing single glazed windows and roof lights with double glazed units to match existing
- Re-use of suitable existing sanitary ware and use of high recycled content materials to reduce carbon footprint
- Use of Mechanical Heat Recovery Ventilation (MHRV) to reduce heating demand and highly efficient condensing boiler to ensure optimum fuel use
SCP provided both architectural and sustainability consulting services to achieve carbon reductions.
The thermal improvements achieved a 95% reduction in CO2 emissions, from 98.44 KgCO2/m2yr to 4.63 KgCO2/m2yr.