Energy Performance Certificate
12 Upper Clarendon Walk, W11 1SW
Energy rating
Current: 65 D | Potential: 75 C
Environmental impact (CO₂)
Current: 61
| Potential: 75
| Field | Value |
|---|---|
| LMK KEY | 2328-3052-1203-4455-9204 |
| ADDRESS1 | 12 Upper Clarendon Walk |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | W11 1SW |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 65 |
| POTENTIAL ENERGY EFFICIENCY | 75 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2025-07-22 |
| LOCAL AUTHORITY | E09000020 |
| CONSTITUENCY | E14001310 |
| COUNTY | — |
| LODGEMENT DATE | 2025-07-22 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 61 |
| ENVIRONMENT IMPACT POTENTIAL | 75 |
| ENERGY CONSUMPTION CURRENT | 223 |
| ENERGY CONSUMPTION POTENTIAL | 147 |
| CO2 EMISSIONS CURRENT | 2.9 |
| CO2 EMISS CURR PER FLOOR AREA | 41 |
| CO2 EMISSIONS POTENTIAL | 1.9 |
| LIGHTING COST CURRENT | 80 |
| LIGHTING COST POTENTIAL | 80 |
| HEATING COST CURRENT | 579 |
| HEATING COST POTENTIAL | 325 |
| HOT WATER COST CURRENT | 246 |
| HOT WATER COST POTENTIAL | 246 |
| TOTAL FLOOR AREA | 72 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Flat rate charging, programmer and TRVs |
| MULTI GLAZE PROPORTION | 0 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Community scheme |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Average |
| FLOOR DESCRIPTION | (another dwelling below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Single glazed |
| WINDOWS ENERGY EFF | Very Poor |
| WINDOWS ENV EFF | Very Poor |
| WALLS DESCRIPTION | Cavity wall, 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, insulated |
| ROOF ENERGY EFF | Average |
| ROOF ENV EFF | Average |
| MAINHEAT DESCRIPTION | Community scheme |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Average |
| MAINHEATCONT DESCRIPTION | Flat rate charging, programmer and TRVs |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | mains gas (community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | heated corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.18 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 12 Upper Clarendon Walk |
| LOCAL AUTHORITY LABEL | Kensington and Chelsea |
| CONSTITUENCY LABEL | Kensington and Bayswater |
| POSTTOWN | LONDON |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2025-07-22 10:44:20 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 30 |
| LOW ENERGY FIXED LIGHT COUNT | 30 |
| UPRN | 217050930 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |