Energy Performance Certificate
20 Catherine Street, CF24 4EF
Energy rating
Current: 56 D | Potential: 60 D
Environmental impact (CO₂)
Current: 97
| Potential: 97
| Field | Value |
|---|---|
| LMK KEY | 3536-4127-6500-0909-7276 |
| ADDRESS1 | 20 Catherine Street |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | CF24 4EF |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | D |
| CURRENT ENERGY EFFICIENCY | 56 |
| POTENTIAL ENERGY EFFICIENCY | 60 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2026-03-31 |
| LOCAL AUTHORITY | W06000015 |
| CONSTITUENCY | W07000091 |
| COUNTY | — |
| LODGEMENT DATE | 2026-03-31 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 97 |
| ENVIRONMENT IMPACT POTENTIAL | 97 |
| ENERGY CONSUMPTION CURRENT | 181 |
| ENERGY CONSUMPTION POTENTIAL | 160 |
| CO2 EMISSIONS CURRENT | 0.2 |
| CO2 EMISS CURR PER FLOOR AREA | 4 |
| CO2 EMISSIONS POTENTIAL | 0.2 |
| LIGHTING COST CURRENT | 43 |
| LIGHTING COST POTENTIAL | 43 |
| HEATING COST CURRENT | 586 |
| HEATING COST POTENTIAL | 498 |
| HOT WATER COST CURRENT | 253 |
| HOT WATER COST POTENTIAL | 254 |
| TOTAL FLOOR AREA | 59 |
| ENERGY TARIFF | Unknown |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 1 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 2 |
| NUMBER HEATED ROOMS | 2 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | 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 | Cavity wall, filled cavity |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| 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 | Boiler and radiators, |
| MAINHEAT ENERGY EFF | Poor |
| MAINHEAT ENV EFF | Very 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 | biogas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.4 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 20 Catherine Street |
| LOCAL AUTHORITY LABEL | Cardiff |
| CONSTITUENCY LABEL | Cardiff South and Penarth |
| POSTTOWN | CARDIFF |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2026-03-31 16:45:54 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 10 |
| LOW ENERGY FIXED LIGHT COUNT | 10 |
| UPRN | 100100027588 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |