Energy Performance Certificate
18 Letterston Road, Rumney, CF3 3PT
Energy rating
Current: 34 F | Potential: 71 C
Environmental impact (CO₂)
Current: 82
| Potential: 92
| Field | Value |
|---|---|
| LMK KEY | 8535-7921-3200-0473-2292 |
| ADDRESS1 | 18 Letterston Road |
| ADDRESS2 | Rumney |
| ADDRESS3 | — |
| POSTCODE | CF3 3PT |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | F |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 34 |
| POTENTIAL ENERGY EFFICIENCY | 71 |
| PROPERTY TYPE | House |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-09-17 |
| LOCAL AUTHORITY | W06000015 |
| CONSTITUENCY | W07000089 |
| COUNTY | — |
| LODGEMENT DATE | 2025-09-17 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 82 |
| ENVIRONMENT IMPACT POTENTIAL | 92 |
| ENERGY CONSUMPTION CURRENT | 190 |
| ENERGY CONSUMPTION POTENTIAL | 80 |
| CO2 EMISSIONS CURRENT | 1.5 |
| CO2 EMISS CURR PER FLOOR AREA | 18 |
| CO2 EMISSIONS POTENTIAL | 0.6 |
| LIGHTING COST CURRENT | 56 |
| LIGHTING COST POTENTIAL | 56 |
| HEATING COST CURRENT | 2309 |
| HEATING COST POTENTIAL | 1003 |
| HOT WATER COST CURRENT | 370 |
| HOT WATER COST POTENTIAL | 382 |
| TOTAL FLOOR AREA | 79 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Appliance thermostats |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 6 |
| NUMBER HEATED ROOMS | 6 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Electric instantaneous at point of use |
| HOT WATER ENERGY EFF | Very Poor |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Solid, 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 | System built, 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, 300 mm loft insulation |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Room heaters, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Appliance thermostats |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.29 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 18 Letterston Road, Rumney |
| LOCAL AUTHORITY LABEL | Cardiff |
| CONSTITUENCY LABEL | Cardiff East |
| POSTTOWN | CARDIFF |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2025-09-17 13:58:52 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 12 |
| LOW ENERGY FIXED LIGHT COUNT | 12 |
| UPRN | 100100107051 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |