Energy Performance Certificate
25 Onslow Avenue, Cheam, SM2 7ED
Energy rating
Current: 79 C | Potential: 83 B
Environmental impact (CO₂)
Current: 72
| Potential: 76
| Field | Value |
|---|---|
| LMK KEY | 0380-2510-6520-2996-4881 |
| ADDRESS1 | 25 Onslow Avenue |
| ADDRESS2 | Cheam |
| ADDRESS3 | — |
| POSTCODE | SM2 7ED |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 79 |
| POTENTIAL ENERGY EFFICIENCY | 83 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2026-02-10 |
| LOCAL AUTHORITY | E09000029 |
| CONSTITUENCY | E14001534 |
| COUNTY | — |
| LODGEMENT DATE | 2026-02-10 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 72 |
| ENVIRONMENT IMPACT POTENTIAL | 76 |
| ENERGY CONSUMPTION CURRENT | 104 |
| ENERGY CONSUMPTION POTENTIAL | 86 |
| CO2 EMISSIONS CURRENT | 7.0 |
| CO2 EMISS CURR PER FLOOR AREA | 20 |
| CO2 EMISSIONS POTENTIAL | 5.8 |
| LIGHTING COST CURRENT | 128 |
| LIGHTING COST POTENTIAL | 128 |
| HEATING COST CURRENT | 2265 |
| HEATING COST POTENTIAL | 1887 |
| HOT WATER COST CURRENT | 114 |
| HOT WATER COST POTENTIAL | 114 |
| TOTAL FLOOR AREA | 355 |
| ENERGY TARIFF | Unknown |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | — |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 2 |
| NUMBER HABITABLE ROOMS | 11 |
| NUMBER HEATED ROOMS | 11 |
| 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 | High performance glazing |
| 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 | 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 radiators, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Programmer, room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | 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 | 1 |
| PHOTO SUPPLY | 25 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 25 Onslow Avenue, Cheam |
| LOCAL AUTHORITY LABEL | Sutton |
| CONSTITUENCY LABEL | Sutton and Cheam |
| POSTTOWN | SUTTON |
| CONSTRUCTION AGE BAND | England and Wales: 1930-1949 |
| LODGEMENT DATETIME | 2026-02-10 16:20:45 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 28 |
| LOW ENERGY FIXED LIGHT COUNT | 28 |
| UPRN | 5870017661 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |