diff --git a/BuildClasses/TE_LDN.nml b/BuildClasses/TE_LDN.nml
new file mode 100644
index 00000000..f6198473
--- /dev/null
+++ b/BuildClasses/TE_LDN.nml
@@ -0,0 +1,106 @@
+&specification
+    BuildingType='LDN_TE_pre1900'
+    BuildingName='LDN_TE_pre1900'
+    Height=9.3
+    FootprintArea=65.6
+    WallExternalArea=147.1
+    WWR=0.2
+    RatioInternalVolume=0.1
+    WallThickness=0.168
+    WallEffectiveConductivity=0.596
+    WallDensity=1626.237
+    WallCp=822.626
+    Wallx1=0.291
+    FloorThickness=0.235
+    GroundFloorEffectiveConductivity=0.752
+    GroundFloorDensity=1540.426
+    GroundFloorCp=1001.657
+    GroundDepth=2.0
+    ExternalGroundConductivity=0.0001
+    WindowThickness=0.004
+    WindowEffectiveConductivity=1.050
+    WindowDensity=2500.000
+    WindowCp=840.000
+    InternalMassDensity=1056.612
+    InternalMassCp=1286.081
+    IndoorAirDensity=1.2754
+    IndoorAirCp=1005
+    WallInternalConvectionCoefficient=1.27
+    InternalMassConvectionCoefficient=8.29
+    FloorInternalConvectionCoefficient=0.96
+    WindowInternalConvectionCoefficient=2.34
+    WallExternalConvectionCoefficient=8.51
+    WindowExternalConvectionCoefficient=5.29
+    WallExternalEmissivity=0.900
+    WallInternalEmissivity=0.910
+    InternalMassEmissivity=0.910
+    WindowExternalEmissivity=0.880
+    WindowInternalEmissivity=0.880
+    WindowTransmissivity=0.800
+    WindowAbsorbtivity=0.150
+    WindowReflectivity=0.050
+    WallTransmissivity=0.000
+    WallAbsorbtivity=0.625
+    WallReflectivity=0.375
+    WallBuildingViewFactor=0.354	
+    WallGroundViewFactor=0                        ! ASHRAE 140 - Case 600 
+    WallSkyViewFactor=0.646                             ! assumed isolated building wall(0.5)  and roof (1.0)
+    Occupants=0
+    MetabolicRate=0
+    LatentSensibleRatio=0
+    ApplianceRating=0
+    TotalNumberofAppliances=1
+    ApplianceUsageFactor=1
+    MaxHeatingPower=1000000.0                           ! ASHRAE 140 - Case 600
+    HeatingSystemEfficiency=0.9                         ! Assumed
+    MaxCoolingPower=1000000.0                           ! ASHRAE 140 - Case 600
+    CoolingSystemCOP=3.4                                ! Assumed
+    VentilationRate=0.6                                 ! ASHRAE 140 - Case 600 (ach)
+    IndoorAirStartTemperature=20
+    IndoorMassStartTemperature=20
+    WallIndoorSurfaceTemperature=18
+    WallOutdoorSurfaceTemperature=5
+    WindowIndoorSurfaceTemperature=18
+    WindowOutdoorSurfaceTemperature=5
+    GroundFloorIndoorSurfaceTemperature=18
+    GroundFloorOutdoorSurfaceTemperature=10.0
+    HeatingSetpointTemperature=18                       ! ASHRAE 140 - Case 600
+    CoolingSetpointTemperature=26                       ! ASHRAE 140 - Case 600
+    WaterTankTemperature=18                             ! Minimised in Volume as not considered in BESTEST - Case 600
+    InternalWallWaterTankTemperature=18                 ! ASHRAE 140 - Case 600 - influence minimised by volume
+    ExternalWallWaterTankTemperature=18                 ! ASHRAE 140 - Case 600 - influence minimised by volume
+    WaterTankWallThickness=0.055                        ! ASHRAE 140 - Case 600 - influence minimised by volume
+    MainsWaterTemperature=11                            ! ASHRAE 140 - Case 600 - influence minimised by volume
+    WaterTankWaterVolume=0.0046                         ! ASHRAE 140 - Case 600 - influence minimised by volume
+    WaterTankSurfaceArea=1                              ! ASHRAE 140 - Case 600 - influence minimised by volume
+    HotWaterHeatingSetpointTemperature=10               ! ASHRAE 140 - Case 600 - influence minimised by volume
+    HotWaterTankWallEmissivity=0.9                      ! ASHRAE 140 - Case 600 - influence minimised by volume
+    DomesticHotWaterTemperatureInUseInBuilding=15       ! ASHRAE 140 - Case 600 - influence minimised by volume
+    InternalWallDHWVesselTemperature=20                 ! ASHRAE 140 - Case 600 - influence minimised by volume
+    ExternalWallDHWVesselTemperature=20                 ! ASHRAE 140 - Case 600 - influence minimised by volume
+    DHWVesselWallThickness=0.47                         ! ASHRAE 140 - Case 600 - influence minimised by volume
+    DHWWaterVolume=0.0001                                ! Minimised for ASHRAE BESTEST
+    DHWSurfaceArea=0.00001                                ! Minimised for ASHRAE BESTEST
+    DHWVesselEmissivity=0.9                             ! Based on Internal ASHARE 140
+    HotWaterFlowRate=0.0                                ! Minimised for ASHRAE BESTEST
+    DHWDrainFlowRate=0.0                                ! Minimised for ASHRAE BESTEST
+    DHWSpecificHeatCapacity=4180.1                      ! of water
+    HotWaterTankSpecificHeatCapacity=29.1830            ! ASHRAE 140 - Case 600 - influence minimised by volume
+    DHWVesselSpecificHeatCapacity=29.1830               ! ASHRAE 140 - Case 600 - influence minimised by volume
+    DHWDensity=1000                                     ! of water
+    HotWaterTankWallDensity=15.8075                     ! ASHRAE 140 - Case 600 - influence minimised by volume
+    DHWVesselDensity=15.8075                            ! ASHRAE 140 - Case 600 - influence minimised by volume
+    HotWaterTankBuildingWallViewFactor=0.2
+    HotWaterTankInternalMassViewFactor=0.8
+    HotWaterTankWallConductivity=0.00001                 ! ASHRAE 140 - Case 600 - set to minimise influence
+    HotWaterTankInternalWallConvectionCoefficient=0.01  ! ASHRAE 140 - Case 600 - set to minimise influence
+    HotWaterTankExternalWallConvectionCoefficient=0.01  ! ASHRAE 140 - Case 600 - set to minimise influence
+    DHWVesselWallConductivity=0.00001                    ! ASHRAE 140 - Case 600 - set to minimise influence
+    DHWVesselInternalWallConvectionCoefficient=0.01     ! ASHRAE 140 - Case 600 - set to minimise influence
+    DHWVesselExternalWallConvectionCoefficient=0.01     ! ASHRAE 140 - Case 600 - set to minimise influence
+    DHWVesselWallEmissivity=0.9                         ! Based on Internal ASHARE 140
+    MaximumHotWaterHeatingPower=10                      ! Minimised for ASHRAE BESTEST
+    HotWaterHeatingEfficiency=0.95
+    MinimumVolumeOfDHWinUse=2.0                         ! altered to 20% of Vwt upon initiation
+
+/