Energy Performance Certificate
6.16 St. John's Building, 79 Marsham Street, SW1P 4SB
Energy rating
Current: 74 C | Potential: 83 B
Environmental impact (CO₂)
Current: 56
| Potential: 82
| Field | Value |
|---|---|
| LMK KEY | 0971-5000-7201-2859-5200 |
| ADDRESS1 | 6.16 St. John's Building |
| ADDRESS2 | 79 Marsham Street |
| ADDRESS3 | — |
| POSTCODE | SW1P 4SB |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 74 |
| POTENTIAL ENERGY EFFICIENCY | 83 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2021-09-03 |
| LOCAL AUTHORITY | E09000033 |
| CONSTITUENCY | E14001172 |
| COUNTY | — |
| LODGEMENT DATE | 2021-09-05 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 56 |
| ENVIRONMENT IMPACT POTENTIAL | 82 |
| ENERGY CONSUMPTION CURRENT | 264 |
| ENERGY CONSUMPTION POTENTIAL | 101 |
| CO2 EMISSIONS CURRENT | 5.8 |
| CO2 EMISS CURR PER FLOOR AREA | 45 |
| CO2 EMISSIONS POTENTIAL | 2.3 |
| LIGHTING COST CURRENT | 114 |
| LIGHTING COST POTENTIAL | 104 |
| HEATING COST CURRENT | 916 |
| HEATING COST POTENTIAL | 331 |
| HOT WATER COST CURRENT | 169 |
| HOT WATER COST POTENTIAL | 122 |
| TOTAL FLOOR AREA | 130 |
| ENERGY TARIFF | Unknown |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer and room thermostat |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing installed during or after 2002 |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Average |
| 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 | Good |
| WINDOWS ENV EFF | Good |
| WALLS DESCRIPTION | Cavity wall, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Poor |
| WALLS ENV EFF | Poor |
| SECONDHEAT DESCRIPTION | Portable electric heaters (assumed) |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | (another dwelling above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Electric underfloor heating |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Very Poor |
| MAINHEATCONT DESCRIPTION | Programmer and room thermostat |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| 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 | heated corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.58 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 6.16 St. John's Building, 79 Marsham Street |
| LOCAL AUTHORITY LABEL | Westminster |
| CONSTITUENCY LABEL | Cities of London and Westminster |
| POSTTOWN | LONDON |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2021-09-05 15:10:35 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 8 |
| LOW ENERGY FIXED LIGHT COUNT | 8 |
| UPRN | — |
| UPRN SOURCE | — |
| REPORT TYPE | 2 |
| Source file | certificates-2021.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |