Code which identifies a particular storey in a building part. Lower ground Ground 1st 2nd 3rd 4th 5th 6th Roof rooms Code which indicates an improvement measure for a property. Loft insulation Cavity wall insulation Hot water cylinder insulation Draughtproofing Low energy lights Cylinder thermostat Heating controls for wet central heating system Heating controls for warm air system Upgrade boiler, same fuel Biomass boiler Biomass room heater with boiler New or replacement storage heaters Replacement warm-air unit Solar water heating Double glazing Secondary glazing Solid wall insulation Condensing oil boiler Change heating to Band A gas condensing boiler (no fuel switch) Change heating to Band A gas condensing boiler (fuel switch) Photovoltaics Wind turbine Code which indicates the type of heating system, as defined in SAP table 4a (codes 901-999). Code which indicates a particular low or zero carbon energy source. Biofuel main heating Biofuel community heating Biofuel community heating for some of heat generation Biofuel secondary heating Geothermal heat source Community combined heat and power Ground source heat pump Water source heat pump Air source heat pump Solar water heating Solar photovoltaics Wind turbine Community heat pump Hydro-electric generation Micro-CHP Exhaust air heat pump Code which indicates the type of flue. open flue balanced flue chimney omitted (boiler is in an outhouse, so its flue arrangements are not relevant) unknown (there is a flue, but its type could not be determined) 6 mm 12 mm 16 mm or more Code which indicates the type of SAP data. new dwelling as designed new dwelling as built new extension to existing dwelling new dwelling created by change of use existing dwelling other Code which indicates the SAP version. SAP 2005 version 9.80, dated October 2005 SAP version 9.81, dated January 2008 SAP version 9.82, dated Jun 2008 SAP version 9.83, dated Jun 2009 SAP version 9.90, dated Mar 2010 SAP version 9.91, dated Jan 2012 Code which indicates the type of floor (exposure). basement floor ground floor upper floor (if heat loss area > 0, this area is an exposed floor) party floor Code which indicates the country within the UK, taken from BS 6879. England and Wales Scotland Northern Ireland Code which indicates the region within the UK. Borders East Anglia East Pennines East Scotland Highland Midlands North East England North East Scotland North West England / South West Scotland Northern Ireland Orkney Severn Valley Shetland South East England South West England Southern England Thames Valley Wales West Pennines West Scotland Western Isles Jersey Guernsey Isle of Man Code which indicates the type of wall (exposure). basement wall exposed wall sheltered wall party wall internal wall Code which indicates how the thermal bridge data has been recorded. default 2002 regulations accredited user defined (global y-value) user defined (individual values) Code which indicates a particular type of thermal bridge. Steel lintel with perforated steel base plate Other lintels (including other steel lintels) Sill Jamb Ground floor Intermediate floor within a dwelling Intermediate floor between dwellings Balcony within a dwelling Balcony between dwellings Eaves (insulation at ceiling level) Eaves (insulation at rafter level) Gable (insulation at ceiling level) Gable (insulation at rafter level) Corner (normal) Corner (inverted) Party wall between dwellings other type 1 other type 2 Flat roof Flat roof with parapet Ground floor (party wall) Intermediate floor within a dwelling (party wall) Intermediate floor between dwellings (party wall) Roof (insulation at ceiling level) (party wall) Roof (insulation at rafter level) (party wall) Code which indicates the compass direction. unknown or unspecified North North East East South East South South West West North West Horizontal (windows and roof windows only) Code which indicates the source of opening data. manufacturer declaration SAP table BFRC data Code which indicates the type of opening. solid door half glazed door door to corridor window roof window Code which indicates the type of heating emitter. radiators underfloor both radiators and underfloor fan coil units Code which indicates the type of glazing; if U-value is from BFRC or manufacturer declaration, give as one of - single - double - triple. not applicable (non-glazed door) single double double low-E hard 0.2 double low-E hard 0.15 double low-E soft 0.1 double low-E soft 0.05 triple triple low-E hard 0.2 triple low-E hard 0.15 triple low-E soft 0.1 triple low-E soft 0.05 secondary glazing Code which indicates the type of opening frame. wood PVC metal no break metal 4 mm break metal 8 mm break metal 12 mm break metal 20 mm break metal 32 mm break Code which indicates the amount of window overshading. very little average or unknown more than average heavy Code which indicates the type of conservatory. no conservatory separated unheated conservatory separated heated conservatory not separated Code which indicates whether a pressure test has been done, or whether an assumed value is used. yes (new dwelling, value measured in this dwelling) yes (new dwelling, design value) no test, value assumed for calculation (new dwelling) no test, SAP algorithm used (existing dwelling) average for other dwellings of the same type (new dwelling) yes (existing dwelling) Code which indicates what kind of heating a community heating system is used for. space heating only water heating only space and water heating Codes which indicates where a flat is located within a building. basement ground floor mid floor top floor Code which indicates the type of floor construction. not suspended timber suspended timber, sealed suspended timber, unsealed Code which indicates the type of wall construction. steel or timber frame other Code which indicates the type of ventilation. natural with intermittent extract fans natural with passive vents positive input from loft positive input from outside mechanical extract, centralised (MEV c) mechanical extract, decentralised (MEV dc) balanced without heat recovery (MV) balanced with heat recovery (MVHR) natural with intermittent extract fans and/or passive vents. For backwards compatibility only, do not use. natural with intermittent extract fans and passive vents Code which indicates the source of SAP data. Applies to both ventilation and heating. from database from manufacturer declaration from SAP table Code which indicates the type of duct. flexible rigid Code which indicates the type of duct insulation. not insulated insulated Code which indicates the type of boiler for the case where the fuel is gas or oil. regular combi CPSU range cooker Code which indicates the type of combi boiler. instantaneous, no store or keep hot primary storage secondary storage CPSU untimed keep-hot by fuel timed keep hot by fuel untimed keep-hot by electricity timed keep hot by electricity untimed keep-hot by fuel and electricity timed keep hot by fuel and electricity Code which indicates the type of heating control, as described in SAP table 4e. Code which indicates the type of underfloor heat emitter. in concrete slab in screed above insulation in timber floor Code which indicates the type of boiler fuel feed. gravity manual screw other Code which indicates the source of SAP data. Like "SAP-DataSourceCode", but without the "database" option. This is why the enumeration doesn't start at "1". from manufacturer declaration from SAP table Code which indicates the type of thermal store. none hot water only integrated Code which indicates the type of heating distribution system. Piping system <= 1990, not pre-ins, medium/high temp, full flow Piping system <= 1990, pre-insulated, low temp, full flow Piping system >= 1991, pre-insulated, medium temp, variable flow Piping system >= 1991, pre-insulated, low temp, variable flow calculated unknown Code which indicates the form in which a property is built. Detached Semi-Detached End-Terrace Mid-Terrace Enclosed End-Terrace Enclosed Mid-Terrace Code which indicates the type of solar collector. unglazed flat panel evacuated tube Code which indicates the source of solar collector data. default declared values Code which indicates the compass direction. Like SAP-OrientationCode, but without the "unknown" and "horizontal" options. North North East East South East South South West West North West To be used when the pitch is horizontal Code which indicates the vertical pitch (angle). horizontal 30 degrees 45 degrees 60 degrees vertical Code which indicates the amount of solar collector overshading. none or very little modest significant heavy Code which indicates the type of hot water storage insulation. factory-applied loose jacket Code which indicates the type of heating fuel, as defined in SAP table 12. Gas: mains gas Gas: bulk LPG Gas: bottled LPG Oil: heating oil LNG LPG subject to Special Condition 18 Solid fuel: dual fuel appliance (mineral and wood) Solid fuel: house coal Solid fuel: manufactured smokeless fuel Solid fuel: anthracite Solid fuel: wood logs Solid fuel: wood chips Solid fuel: wood pellets (in bags, for secondary heating) Solid fuel: wood pellets (bulk supply in bags, for main heating) Electricity: electricity sold to grid Electricity: electricity displaced from grid Electricity: electricity, unspecified tariff Community heating schemes: heat from heat pump Community heating schemes: heat from boilers - waste combustion Community heating schemes: heat from boilers - biomass Community heating schemes: heat from boilers - biogas Community heating schemes: waste heat from power stations Community heating schemes: geothermal heat source Community heating schemes: heat from CHP Community heating schemes: electricity generated by CHP Community heating schemes: electricity for pumping in distribution network Community heating schemes: heat from mains gas Community heating schemes: heat from LPG Community heating schemes: heat from oil Community heating schemes: heat from coal Community heating schemes: heat from B30D biodiesel from any biomass source biodiesel from used cooking oil only rape seed oil appliances able to use mineral oil or liquid biofuel B30K bioethanol from any biomass source Code which indicates the type of immersion heater. Dual Single Code which indicates the type of heating system, as defined in SAP tables 4a/4b (codes 101 to 899). Code which indicates the type of terrain. urban suburban rural Code which indicates the type of electricity tariff. standard tariff off-peak 7 hour off-peak 10 hour 24 hour not applicable Codes used to indicate a category of main heating system. none boiler with radiators or underfloor heating micro-cogeneration heat pump with radiators or underfloor heating heat pump with warm air distribution community heating system electric storage heaters electric underfloor heating warm air system (not heat pump) room heaters other system Codes used to indicate a category of secondary heating system. Codes are aligned with those of 'SAP-MainHeatingCategoryCode'. none room heaters Code which indicates the type of boiler for the case where the fuel is solid. independent open fire closed room heater range cooker England and Wales: before 1900; Scotland: before 1919; Northern Ireland: before 1919 England and Wales: 1900-1929; Scotland: 1919-1929; Northern Ireland: 1919-1929 England and Wales: 1930-1949; Scotland: 1930-1949; Northern Ireland: 1930-1949 England and Wales: 1950-1966; Scotland: 1950-1964; Northern Ireland: 1950-1973 England and Wales: 1967-1975; Scotland: 1965-1975; Northern Ireland: 1974-1977 England and Wales: 1976-1982; Scotland: 1976-1983; Northern Ireland: 1978-1985 England and Wales: 1983-1990; Scotland: 1984-1991; Northern Ireland: 1986-1991 England and Wales: 1991-1995; Scotland: 1992-1998; Northern Ireland: 1992-1999 England and Wales: 1996-2002; Scotland: 1999-2002; Northern Ireland: 2000-2006 England and Wales: 2003-2006; Scotland: 2003-2007; Northern Ireland: not applicable England and Wales: 2007 onwards; Scotland: 2008 onwards; Northern Ireland: 2007 onwards none load compensation weather compensation enhanced load compensator SAP table default government-approved scheme not government-approved scheme SAP table default <= 125 litres per person per day not defined exposed roof party ceiling split or multi-split packaged on/off modulating unknown on/off (gas and oil burners) modulating (gas and oil boilers) manual (solid fuel boilers) electrical (solid fuel boilers) CHP boilers heat pump waste heat geothermal not gas or oil boiler SEDBUK(2005) SEDBUK(2009) winter and summer both main heating systems provide heat to the whole property the main heating systems are separate and heat different parts of the property