Energy Performance Certificate
33 Mervyn Road, Tremorfa, CF24 2SS
Energy rating
Current: 68 D | Potential: 73 C
Environmental impact (CO₂)
Current: 68
| Potential: 70
| Field | Value |
|---|---|
| LMK KEY | 2920-9334-1781-1017-0111 |
| ADDRESS1 | 33 Mervyn Road |
| ADDRESS2 | Tremorfa |
| ADDRESS3 | — |
| POSTCODE | CF24 2SS |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 68 |
| POTENTIAL ENERGY EFFICIENCY | 73 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2025-11-29 |
| LOCAL AUTHORITY | W06000015 |
| CONSTITUENCY | W07000091 |
| COUNTY | — |
| LODGEMENT DATE | 2025-12-02 |
| TRANSACTION TYPE | None of the above |
| ENVIRONMENT IMPACT CURRENT | 68 |
| ENVIRONMENT IMPACT POTENTIAL | 70 |
| ENERGY CONSUMPTION CURRENT | 174 |
| ENERGY CONSUMPTION POTENTIAL | 155 |
| CO2 EMISSIONS CURRENT | 3.6 |
| CO2 EMISS CURR PER FLOOR AREA | 29 |
| CO2 EMISSIONS POTENTIAL | 3.3 |
| LIGHTING COST CURRENT | 72 |
| LIGHTING COST POTENTIAL | 72 |
| HEATING COST CURRENT | 1164 |
| HEATING COST POTENTIAL | 1104 |
| HOT WATER COST CURRENT | 214 |
| HOT WATER COST POTENTIAL | 214 |
| TOTAL FLOOR AREA | 124 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 1 |
| 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 | 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 | Cavity wall, filled cavity |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | Room heaters, wood logs |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, insulated |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Boiler and radiators, 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 | 2.5 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 33 Mervyn Road, Tremorfa |
| LOCAL AUTHORITY LABEL | Cardiff |
| CONSTITUENCY LABEL | Cardiff South and Penarth |
| POSTTOWN | CARDIFF |
| CONSTRUCTION AGE BAND | England and Wales: 1900-1929 |
| LODGEMENT DATETIME | 2025-12-02 16:43:23 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 41 |
| LOW ENERGY FIXED LIGHT COUNT | 41 |
| UPRN | 100100065069 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |