Energy Performance Certificate
1 Chesham Close, SW1X 8DN
Energy rating
Current: 58 D | Potential: 79 C
Environmental impact (CO₂)
Current: 50
| Potential: 74
| Field | Value |
|---|---|
| LMK KEY | 3690-7296-0222-0575-3053 |
| ADDRESS1 | 1 Chesham Close |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | SW1X 8DN |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 58 |
| POTENTIAL ENERGY EFFICIENCY | 79 |
| PROPERTY TYPE | House |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-10-31 |
| LOCAL AUTHORITY | E09000033 |
| CONSTITUENCY | E14001172 |
| COUNTY | — |
| LODGEMENT DATE | 2025-11-03 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 50 |
| ENVIRONMENT IMPACT POTENTIAL | 74 |
| ENERGY CONSUMPTION CURRENT | 220 |
| ENERGY CONSUMPTION POTENTIAL | 104 |
| CO2 EMISSIONS CURRENT | 5.8 |
| CO2 EMISS CURR PER FLOOR AREA | 40 |
| CO2 EMISSIONS POTENTIAL | 2.9 |
| LIGHTING COST CURRENT | 87 |
| LIGHTING COST POTENTIAL | 87 |
| HEATING COST CURRENT | 1710 |
| HEATING COST POTENTIAL | 815 |
| HOT WATER COST CURRENT | 248 |
| HOT WATER COST POTENTIAL | 251 |
| TOTAL FLOOR AREA | 144 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 3 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 6 |
| NUMBER HEATED ROOMS | 6 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | Solid, no insulation (assumed) |
| 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 | Solid brick, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Poor |
| WALLS ENV EFF | Poor |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Flat, no insulation |
| ROOF ENERGY EFF | Very Poor |
| ROOF ENV EFF | Very Poor |
| MAINHEAT DESCRIPTION | Boiler and underfloor heating, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very Good |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.62 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 1 Chesham Close |
| LOCAL AUTHORITY LABEL | Westminster |
| CONSTITUENCY LABEL | Cities of London and Westminster |
| POSTTOWN | LONDON |
| CONSTRUCTION AGE BAND | England and Wales: 1900-1929 |
| LODGEMENT DATETIME | 2025-11-03 00:35:24 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 24 |
| LOW ENERGY FIXED LIGHT COUNT | 24 |
| UPRN | 100022734502 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |