Energy Performance Certificate
Penthouse 04, St. Johns Building, 79 Marsham Street, SW1P 4SB
Energy rating
Current: 69 C | Potential: 69 C
Environmental impact (CO₂)
Current: 67
| Potential: 67
| Field | Value |
|---|---|
| LMK KEY | 2391-4386-0522-9001-0993 |
| ADDRESS1 | Penthouse 04 |
| ADDRESS2 | St. Johns Building |
| ADDRESS3 | 79 Marsham Street |
| POSTCODE | SW1P 4SB |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 69 |
| POTENTIAL ENERGY EFFICIENCY | 69 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Enclosed End-Terrace |
| INSPECTION DATE | 2021-11-08 |
| LOCAL AUTHORITY | E09000033 |
| CONSTITUENCY | E14001172 |
| COUNTY | — |
| LODGEMENT DATE | 2021-11-09 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 67 |
| ENVIRONMENT IMPACT POTENTIAL | 67 |
| ENERGY CONSUMPTION CURRENT | 185 |
| ENERGY CONSUMPTION POTENTIAL | 185 |
| CO2 EMISSIONS CURRENT | 5.5 |
| CO2 EMISS CURR PER FLOOR AREA | 31 |
| CO2 EMISSIONS POTENTIAL | 5.5 |
| LIGHTING COST CURRENT | 111 |
| LIGHTING COST POTENTIAL | 111 |
| HEATING COST CURRENT | 1265 |
| HEATING COST POTENTIAL | 1265 |
| HOT WATER COST CURRENT | 264 |
| HOT WATER COST POTENTIAL | 264 |
| TOTAL FLOOR AREA | 176 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing, unknown install date |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 5 |
| NUMBER HEATED ROOMS | 5 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Poor |
| HOT WATER ENV EFF | Poor |
| FLOOR DESCRIPTION | (another dwelling below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Average |
| WINDOWS ENV EFF | Average |
| WALLS DESCRIPTION | System built, as built, insulated (assumed) |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Flat, insulated (assumed) |
| ROOF ENERGY EFF | Average |
| ROOF ENV EFF | Average |
| MAINHEAT DESCRIPTION | Air source heat pump, warm air, electric |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very Good |
| LIGHTING DESCRIPTION | Low energy lighting in all fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 19.7 |
| FLOOR HEIGHT | 2.56 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Penthouse 04, St. Johns Building, 79 Marsham Street |
| LOCAL AUTHORITY LABEL | Westminster |
| CONSTITUENCY LABEL | Cities of London and Westminster |
| POSTTOWN | LONDON |
| CONSTRUCTION AGE BAND | England and Wales: 1996-2002 |
| LODGEMENT DATETIME | 2021-11-09 11:51:37 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 23 |
| LOW ENERGY FIXED LIGHT COUNT | 23 |
| UPRN | 10033561207 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2021.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |