Energy Performance Certificate
Mellions, Heol Ddu, SA18 2UG
Energy rating
Current: 90 B | Potential: 91 B
Environmental impact (CO₂)
Current: 97
| Potential: 97
| Field | Value |
|---|---|
| LMK KEY | 2121-2850-2115-7816-1211 |
| ADDRESS1 | Mellions |
| ADDRESS2 | Heol Ddu |
| ADDRESS3 | — |
| POSTCODE | SA18 2UG |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | B |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 90 |
| POTENTIAL ENERGY EFFICIENCY | 91 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2025-07-22 |
| LOCAL AUTHORITY | W06000010 |
| CONSTITUENCY | W07000087 |
| COUNTY | — |
| LODGEMENT DATE | 2025-08-12 |
| TRANSACTION TYPE | Re-mortgaging |
| ENVIRONMENT IMPACT CURRENT | 97 |
| ENVIRONMENT IMPACT POTENTIAL | 97 |
| ENERGY CONSUMPTION CURRENT | 38 |
| ENERGY CONSUMPTION POTENTIAL | 35 |
| CO2 EMISSIONS CURRENT | 0.4 |
| CO2 EMISS CURR PER FLOOR AREA | 3 |
| CO2 EMISSIONS POTENTIAL | 0.3 |
| LIGHTING COST CURRENT | 86 |
| LIGHTING COST POTENTIAL | 86 |
| HEATING COST CURRENT | 1079 |
| HEATING COST POTENTIAL | 999 |
| HOT WATER COST CURRENT | 546 |
| HOT WATER COST POTENTIAL | 548 |
| TOTAL FLOOR AREA | 150 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 6 |
| NUMBER HEATED ROOMS | 6 |
| LOW ENERGY LIGHTING | 93 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Suspended, 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 | Room heaters, LPG |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 270 mm loft insulation |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Air source heat pump, radiators, electric |
| MAINHEAT ENERGY EFF | Very Good |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very 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 | 2.25 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Mellions, Heol Ddu |
| LOCAL AUTHORITY LABEL | Carmarthenshire |
| CONSTITUENCY LABEL | Caerfyrddin |
| POSTTOWN | AMMANFORD |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2025-08-12 05:37:11 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 29 |
| LOW ENERGY FIXED LIGHT COUNT | 27 |
| UPRN | 200002957028 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |