Energy Performance Certificate
12 Maes Eilian, Dinorwig, LL55 3EH
Energy rating
Current: 49 E | Potential: 59 D
Environmental impact (CO₂)
Current: 72
| Potential: 77
| Field | Value |
|---|---|
| LMK KEY | 1723-0366-8002-0129-0006 |
| ADDRESS1 | 12 Maes Eilian |
| ADDRESS2 | Dinorwig |
| ADDRESS3 | — |
| POSTCODE | LL55 3EH |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | D |
| CURRENT ENERGY EFFICIENCY | 49 |
| POTENTIAL ENERGY EFFICIENCY | 59 |
| PROPERTY TYPE | House |
| BUILT FORM | End-Terrace |
| INSPECTION DATE | 2026-01-23 |
| LOCAL AUTHORITY | W06000002 |
| CONSTITUENCY | W07000096 |
| COUNTY | — |
| LODGEMENT DATE | 2026-01-23 |
| TRANSACTION TYPE | Re-mortgaging |
| ENVIRONMENT IMPACT CURRENT | 72 |
| ENVIRONMENT IMPACT POTENTIAL | 77 |
| ENERGY CONSUMPTION CURRENT | 160 |
| ENERGY CONSUMPTION POTENTIAL | 129 |
| CO2 EMISSIONS CURRENT | 2.8 |
| CO2 EMISS CURR PER FLOOR AREA | 34 |
| CO2 EMISSIONS POTENTIAL | 2.4 |
| LIGHTING COST CURRENT | 63 |
| LIGHTING COST POTENTIAL | 63 |
| HEATING COST CURRENT | 1205 |
| HEATING COST POTENTIAL | 1060 |
| HOT WATER COST CURRENT | 342 |
| HOT WATER COST POTENTIAL | 342 |
| TOTAL FLOOR AREA | 82 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| 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 | 93 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system, plus solar |
| 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 | Average |
| WINDOWS ENV EFF | Average |
| WALLS DESCRIPTION | Cavity wall, with external insulation |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 150 mm loft insulation |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Boiler and radiators, LPG |
| MAINHEAT ENERGY EFF | Very Poor |
| 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 | bottled LPG |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.5 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | Y |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 12 Maes Eilian, Dinorwig |
| LOCAL AUTHORITY LABEL | Gwynedd |
| CONSTITUENCY LABEL | Dwyfor Meirionnydd |
| POSTTOWN | CAERNARFON |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2026-01-23 09:45:57 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 14 |
| LOW ENERGY FIXED LIGHT COUNT | 13 |
| UPRN | 200003180103 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |