Retrofitting Historic Buildings - Westminster City Council

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Heating controlsDoesBuildingRegs apply?Is this work a requirement triggeredby Part L1B?http://www.planningportal.gov.uk/uploads/br/BR_PDF_ADL1B_2010.pdfPermissions and consents...Disruption Risks Unlisted within a Listed buildingconservation areaUnlisted outside aconservation areaNo, althoughin practiceusuallyinstalledtogether witha new boilerwhich issubject tobuildingregulationsapproval.Heating systems are a ‘controlledservice’ under Part L1B. Workshould comply with the “DomesticHeating Compliance Guide”.http://www.planningportal.gov.uk/uploads/br/BR_PDF_PTL_DOMHEAT.pdfLow-Medium Low Internal alterations donot require planningpermission.Does not requireplanningpermission orlisted buildingconsent.Internal alterations donot require planningpermission.Without proper programmable heating controls, the benefits of amore efficient condensing boiler will not be realised. Thereforethermostats should be programmable ‘Chrono-proportional’thermostats on a timer, enabling a number of differentprogrammable room temperature levels each day. These shouldbe combined with TRV (Thermostatic Radiator Valves) in eachroom (except the room where the thermostat is located, and thebathroom) which switch off the heating in a room when itreaches the required temperature. Such systems can bewireless, which mean that no wiring or making good is required.When to do this: It makes sense to upgrade heating controlswhenever a new boiler is installed, but also when new sources oflow and zero carbon heating are installed, such as heat pumps,and perhaps also if you are considering installing underfloorheating.38
CostsHeatingcontrolsProgrammableheatingcontrollerThermostaticRadiatorValves 42Hot watercylinder jacket 43UnitPertypicalcontrollerPer TRVinstalledPercylinderjacketselfinstalledCost(lower)Cost(Upper)Cost(average)£50 £100 £75 -£35 £75 £55 -Subsidies(refer to ESTwebsite forlatest info 41- - £30 0-100%Case StudyThe Retrofit for the Future property at LothropStreet is trialling an intelligent fully automaticheating controller which senses when the house isoccupied, and learns heating preferences meaningthat occupants do not need to programme thetimer. The Wattbox is being deployed in a numberof the Technology Strategy Boards Retrofit for theFuture projects. It also has the capability to monitora range of other inputs such as humidity and CO 2levels and functions with other smart meters.For further information see:• http://www.planningportal.gov.uk/permission/commonprojects/boilersheating/• ‘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• http://www.beama.org.uk/en/news/index.cfm/tacma%20publicationThe Wattbox in Lothrop Street39
Page 1 and 2: Retrofitting Historic Buildingsfor
Page 3 and 4: ContentsIntroduction 4Limitations o
Page 5 and 6: This guidance will be of most use t
Page 8: Article 4 DirectionsFor some buildi
Page 12 and 13: competent person’ scheme exists.
Page 14 and 15: MeasuresThis section outlines measu
Page 16 and 17: Installing insulation in existing r
Page 18 and 19: Floor insulation (suspended timber
Page 20 and 21: For further information see:• Fac
Page 22 and 23: Solid wall insulation can be a way
Page 24 and 25: For further information see:• Fac
Page 26 and 27: Solid wall insulation can be a way
Page 30 and 31: Advantages: This can improve the th
Page 32 and 33: Disadvantages: It can be more expen
Page 34 and 35: A significant amount of heat is los
Page 36 and 37: Boiler upgradeDoesBuildingRegsapply
Page 40 and 41: Micro Combined Heat and Power (CHP)
Page 42 and 43: Ground source heat pumpsDoesBuildin
Page 44 and 45: Air source heat pumpsDoesBuildingRe
Page 46 and 47: For further information see:• ‘
Page 48 and 49: Solar PV panels convertenergy from
Page 50 and 51: Solar thermal panelsDoes BuildingRe
Page 52 and 53: Living roofDoesBuildingRegsapply?Is
Page 54 and 55: Case Study: 15 Passmore Street, SW1
Page 56 and 57: Case Study: The Flagship HomeArchit
Page 58 and 59: SummaryMeasureUnlisted, within acon
Page 60 and 61: Westminster’s Planning PolicyThis
Page 62 and 63: Notes and References1 Westminster H
Page 64 and 65: 35 Town and Country Planning (Gener

Retrofitting Historic Buildings - Westminster City Council

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