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Retrofitting Historic Buildings - Westminster City Council

Retrofitting Historic Buildings - Westminster City Council

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ContentsIntroduction 4Limitations of this guidance 6Leasehold/Freehold Issues 6Permitted Development 6Conservation areas 6Article 4 Directions 8Listed <strong>Buildings</strong> 10Approach to retrofittinghistoric buildings 10Grants and Sources of Funding 13Measures 14Loft and roof insulation 15Floor insulation(suspended timber floors) 18Internal solid wall insulation 21External solid wall insulation 25Draughtproofing 29Secondary glazing 31Double (or triple) glazing 33Boiler upgrade 36Heating controls 38Micro Combined Heat andPower (CHP) 40Ground source heat pumps 42Air source heat pumps 44Solar photovoltaic system(PV electric panels) 47Solar thermal panels 50Living roof 52Case Study:15 Passmore Street SW1 54Case Study:The Flagship Home 56Summary 58<strong>Westminster</strong>’s Planning Policy 60Unitary Development Plan 60The Local DevelopmentFramework 61Supplementary PlanningGuidance 61Notes and References 623

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