Retrofitting Historic Buildings - Westminster City Council

For further information see:• Factsheet produced by English Heritage:http://www.climatechangeandyourhome.org.uk/live/insulating_solid_walls.aspx• ‘An Introduction to Low Carbon Domestic Refurbishment’Construction Products Association (2010):http://www.constructionproducts.org.uk/publications/dbfiles/Domestic%20Refurbishment%20Revised11010%20(low%20res).pdf• Information from the Energy Saving Trusthttp://www.energysavingtrust.org.uk/In-your-home/Roofsfloors-walls-and-windows/Solid-wall-insulationCase Study: 88 Lothrop Street, Queens Park,Westminster (Retrofit for the Future)Consultant: Eco Alchemists LtdClient: CityWest HomesGoal: 80% reduction in carbon emissions.Due to its location in a conservation area, externalwall insulation was not a possibility, so to achieve ahigh level of insulation (minimum 0.15W/m2K) theSpacetherm range of aerogel thermal dry lininginsulation was applied on the walls. This wasreturned along party walls and combined with floorand loft insulation, with Mechanical Ventilation withHeat Recovery (MVHR) system installed to providepre-warmed, filtered, fresh air, secondary glazing, amicro CHP (combined heat and power unit) andupgraded lighting and appliances, as well as lowVOC paints and natural flooring.The house achieved a 79% reduction in carbonemissions.24