Energy Performance Certificate
18 John Street, CF41 7JT
Energy rating
Current: 52 E | Potential: 68 D
Environmental impact (CO₂)
Current: 73
| Potential: 85
| Field | Value |
|---|---|
| LMK KEY | 2745-7118-1572-2934-9401 |
| ADDRESS1 | 18 John Street |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | CF41 7JT |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | D |
| CURRENT ENERGY EFFICIENCY | 52 |
| POTENTIAL ENERGY EFFICIENCY | 68 |
| PROPERTY TYPE | House |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-10-16 |
| LOCAL AUTHORITY | W06000016 |
| CONSTITUENCY | W07000107 |
| COUNTY | — |
| LODGEMENT DATE | 2025-10-17 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 73 |
| ENVIRONMENT IMPACT POTENTIAL | 85 |
| ENERGY CONSUMPTION CURRENT | 260 |
| ENERGY CONSUMPTION POTENTIAL | 160 |
| CO2 EMISSIONS CURRENT | 2.9 |
| CO2 EMISS CURR PER FLOOR AREA | 40 |
| CO2 EMISSIONS POTENTIAL | 1.7 |
| LIGHTING COST CURRENT | 49 |
| LIGHTING COST POTENTIAL | 49 |
| HEATING COST CURRENT | 882 |
| HEATING COST POTENTIAL | 562 |
| HOT WATER COST CURRENT | 1039 |
| HOT WATER COST POTENTIAL | 982 |
| TOTAL FLOOR AREA | 71 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | No time or thermostatic control of room temperature |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 5 |
| NUMBER HEATED ROOMS | 5 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | No system present: electric immersion assumed |
| 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 | Granite or whin, 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, 225 mm loft insulation |
| 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 | No time or thermostatic control of room temperature |
| MAINHEATC ENERGY EFF | Very Poor |
| MAINHEATC ENV EFF | Very Poor |
| 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 | 2.38 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 18 John Street |
| LOCAL AUTHORITY LABEL | Rhondda Cynon Taf |
| CONSTITUENCY LABEL | Rhondda and Ogmore |
| POSTTOWN | PENTRE |
| CONSTRUCTION AGE BAND | England and Wales: 1900-1929 |
| LODGEMENT DATETIME | 2025-10-17 12:46:44 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 9 |
| LOW ENERGY FIXED LIGHT COUNT | 9 |
| UPRN | 100100726287 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |