Energy Performance Certificate
28 Mariners Heights, CF64 1QJ
Energy rating
Current: 76 C | Potential: 79 C
Environmental impact (CO₂)
Current: 91
| Potential: 92
| Field | Value |
|---|---|
| LMK KEY | 2152-3955-0200-6475-9204 |
| ADDRESS1 | 28 Mariners Heights |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | CF64 1QJ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 76 |
| POTENTIAL ENERGY EFFICIENCY | 79 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2025-10-25 |
| LOCAL AUTHORITY | W06000014 |
| CONSTITUENCY | W07000091 |
| COUNTY | — |
| LODGEMENT DATE | 2025-10-26 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 91 |
| ENVIRONMENT IMPACT POTENTIAL | 92 |
| ENERGY CONSUMPTION CURRENT | 114 |
| ENERGY CONSUMPTION POTENTIAL | 101 |
| CO2 EMISSIONS CURRENT | 0.7 |
| CO2 EMISS CURR PER FLOOR AREA | 10 |
| CO2 EMISSIONS POTENTIAL | 0.6 |
| LIGHTING COST CURRENT | 76 |
| LIGHTING COST POTENTIAL | 76 |
| HEATING COST CURRENT | 419 |
| HEATING COST POTENTIAL | 376 |
| HOT WATER COST CURRENT | 539 |
| HOT WATER COST POTENTIAL | 456 |
| TOTAL FLOOR AREA | 66 |
| ENERGY TARIFF | Unknown |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Automatic charge control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 78 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | (another dwelling below) |
| 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 | Cavity wall, as built, insulated (assumed) |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | Portable electric heaters (assumed) |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | (another dwelling above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Electric storage heaters |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Automatic charge control |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Average |
| LIGHTING ENV EFF | Average |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 9.26 |
| FLOOR HEIGHT | 2.46 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 28 Mariners Heights |
| LOCAL AUTHORITY LABEL | Vale of Glamorgan |
| CONSTITUENCY LABEL | Cardiff South and Penarth |
| POSTTOWN | PENARTH |
| CONSTRUCTION AGE BAND | England and Wales: 1983-1990 |
| LODGEMENT DATETIME | 2025-10-26 08:45:21 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 9 |
| LOW ENERGY FIXED LIGHT COUNT | 7 |
| UPRN | 100100840316 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |