Energy Performance Certificate
51 Onslow Road, TW10 6QH
Energy rating
Current: 73 C | Potential: 82 B
Environmental impact (CO₂)
Current: 69
| Potential: 74
| Field | Value |
|---|---|
| LMK KEY | 9921-1202-3205-1834-2500 |
| ADDRESS1 | 51 Onslow Road |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | TW10 6QH |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 73 |
| POTENTIAL ENERGY EFFICIENCY | 82 |
| PROPERTY TYPE | House |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-12-18 |
| LOCAL AUTHORITY | E09000027 |
| CONSTITUENCY | E14001445 |
| COUNTY | — |
| LODGEMENT DATE | 2025-12-21 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 69 |
| ENVIRONMENT IMPACT POTENTIAL | 74 |
| ENERGY CONSUMPTION CURRENT | 138 |
| ENERGY CONSUMPTION POTENTIAL | 112 |
| CO2 EMISSIONS CURRENT | 3.6 |
| CO2 EMISS CURR PER FLOOR AREA | 25 |
| CO2 EMISSIONS POTENTIAL | 3.0 |
| LIGHTING COST CURRENT | 70 |
| LIGHTING COST POTENTIAL | 70 |
| HEATING COST CURRENT | 1001 |
| HEATING COST POTENTIAL | 890 |
| HOT WATER COST CURRENT | 250 |
| HOT WATER COST POTENTIAL | 251 |
| TOTAL FLOOR AREA | 143 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | — |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 5 |
| NUMBER HEATED ROOMS | 5 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | Suspended, no insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Poor |
| WINDOWS ENV EFF | Poor |
| WALLS DESCRIPTION | Solid brick, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Very Poor |
| WALLS ENV EFF | Very Poor |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, insulated (assumed) |
| ROOF ENERGY EFF | Average |
| ROOF ENV EFF | Average |
| 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 | Excellent lighting efficiency |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 1 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 51 Onslow Road |
| LOCAL AUTHORITY LABEL | Richmond upon Thames |
| CONSTITUENCY LABEL | Richmond Park |
| POSTTOWN | RICHMOND |
| CONSTRUCTION AGE BAND | England and Wales: 1900-1929 |
| LODGEMENT DATETIME | 2025-12-21 14:24:10 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 18 |
| LOW ENERGY FIXED LIGHT COUNT | 18 |
| UPRN | 100022313154 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |