Energy Performance Certificate
12 Pen Y Cefn, LL68 9DF
Energy rating
Current: 63 D | Potential: 74 C
Environmental impact (CO₂)
Current: 63
| Potential: 73
| Field | Value |
|---|---|
| LMK KEY | 2511-1775-2129-3188-1127 |
| ADDRESS1 | 12 Pen Y Cefn |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | LL68 9DF |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 63 |
| POTENTIAL ENERGY EFFICIENCY | 74 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2026-02-06 |
| LOCAL AUTHORITY | W06000001 |
| CONSTITUENCY | W07000112 |
| COUNTY | — |
| LODGEMENT DATE | 2026-02-12 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 63 |
| ENVIRONMENT IMPACT POTENTIAL | 73 |
| ENERGY CONSUMPTION CURRENT | 211 |
| ENERGY CONSUMPTION POTENTIAL | 153 |
| CO2 EMISSIONS CURRENT | 4.1 |
| CO2 EMISS CURR PER FLOOR AREA | 38 |
| CO2 EMISSIONS POTENTIAL | 3 |
| LIGHTING COST CURRENT | 75 |
| LIGHTING COST POTENTIAL | 75 |
| HEATING COST CURRENT | 1259 |
| HEATING COST POTENTIAL | 971 |
| HOT WATER COST CURRENT | 341 |
| HOT WATER COST POTENTIAL | 341 |
| TOTAL FLOOR AREA | 108 |
| 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 | 6 |
| NUMBER HEATED ROOMS | 6 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| 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 | Poor |
| WINDOWS ENV EFF | Poor |
| WALLS DESCRIPTION | Cavity wall, filled cavity |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | Room heaters, mains gas |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 200 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 | 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 | 2.4 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 12 Pen Y Cefn |
| LOCAL AUTHORITY LABEL | Isle of Anglesey |
| CONSTITUENCY LABEL | Ynys Môn |
| POSTTOWN | AMLWCH |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2026-02-12 11:22:10 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 18 |
| LOW ENERGY FIXED LIGHT COUNT | 18 |
| UPRN | 100100000321 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |