Energy Performance Certificate
12 Heol Deg, Tonteg, CF38 1ET
Energy rating
Current: 85 B | Potential: 86 B
Environmental impact (CO₂)
Current: 75
| Potential: 77
| Field | Value |
|---|---|
| LMK KEY | 8736-8022-8500-0232-9296 |
| ADDRESS1 | 12 Heol Deg |
| ADDRESS2 | Tonteg |
| ADDRESS3 | — |
| POSTCODE | CF38 1ET |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | B |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 85 |
| POTENTIAL ENERGY EFFICIENCY | 86 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2026-02-12 |
| LOCAL AUTHORITY | W06000016 |
| CONSTITUENCY | W07000106 |
| COUNTY | — |
| LODGEMENT DATE | 2026-02-12 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 75 |
| ENVIRONMENT IMPACT POTENTIAL | 77 |
| ENERGY CONSUMPTION CURRENT | 145 |
| ENERGY CONSUMPTION POTENTIAL | 136 |
| CO2 EMISSIONS CURRENT | 2.1 |
| CO2 EMISS CURR PER FLOOR AREA | 29 |
| CO2 EMISSIONS POTENTIAL | 2.0 |
| LIGHTING COST CURRENT | 54 |
| LIGHTING COST POTENTIAL | 54 |
| HEATING COST CURRENT | 699 |
| HEATING COST POTENTIAL | 658 |
| HOT WATER COST CURRENT | 186 |
| HOT WATER COST POTENTIAL | 186 |
| TOTAL FLOOR AREA | 74 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 5 |
| NUMBER HEATED ROOMS | 5 |
| LOW ENERGY LIGHTING | 91 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | 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 | Average |
| WINDOWS ENV EFF | Average |
| 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 | Pitched, 300 mm loft insulation |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Boiler and radiators, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Programmer, room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Average |
| LIGHTING ENV EFF | Average |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.29 |
| PHOTO SUPPLY | 50 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 12 Heol Deg, Tonteg |
| LOCAL AUTHORITY LABEL | Rhondda Cynon Taf |
| CONSTITUENCY LABEL | Pontypridd |
| POSTTOWN | PONTYPRIDD |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2026-02-12 14:52:57 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 11 |
| LOW ENERGY FIXED LIGHT COUNT | 10 |
| UPRN | 100100762242 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |