Energy Performance Certificate
21 High Street, LL49 9LR
Energy rating
Current: 75 C | Potential: 84 B
Environmental impact (CO₂)
Current: 78
| Potential: 86
| Field | Value |
|---|---|
| LMK KEY | 0511-3019-9308-0712-1204 |
| ADDRESS1 | 21 High Street |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | LL49 9LR |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 75 |
| POTENTIAL ENERGY EFFICIENCY | 84 |
| PROPERTY TYPE | House |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2022-08-09 |
| LOCAL AUTHORITY | W06000002 |
| CONSTITUENCY | W07000096 |
| COUNTY | — |
| LODGEMENT DATE | 2022-08-09 |
| TRANSACTION TYPE | None of the above |
| ENVIRONMENT IMPACT CURRENT | 78 |
| ENVIRONMENT IMPACT POTENTIAL | 86 |
| ENERGY CONSUMPTION CURRENT | 125 |
| ENERGY CONSUMPTION POTENTIAL | 76 |
| CO2 EMISSIONS CURRENT | 3.1 |
| CO2 EMISS CURR PER FLOOR AREA | 21 |
| CO2 EMISSIONS POTENTIAL | 1.9 |
| LIGHTING COST CURRENT | 113 |
| LIGHTING COST POTENTIAL | 113 |
| HEATING COST CURRENT | 780 |
| HEATING COST POTENTIAL | 781 |
| HOT WATER COST CURRENT | 261 |
| HOT WATER COST POTENTIAL | 165 |
| TOTAL FLOOR AREA | 146 |
| ENERGY TARIFF | standard tariff |
| MAINS GAS FLAG | — |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 4 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | — |
| NUMBER HABITABLE ROOMS | — |
| NUMBER HEATED ROOMS | — |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | Average thermal transmittance 0.50 W/m²K |
| FLOOR ENERGY EFF | Poor |
| FLOOR ENV EFF | Poor |
| WINDOWS DESCRIPTION | High performance glazing |
| WINDOWS ENERGY EFF | Very Good |
| WINDOWS ENV EFF | Very Good |
| WALLS DESCRIPTION | Average thermal transmittance 1.47 W/m²K |
| WALLS ENERGY EFF | Poor |
| WALLS ENV EFF | Poor |
| SECONDHEAT DESCRIPTION | Room heaters, electric |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Average thermal transmittance 0.18 W/m²K |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Air source heat pump, underfloor, electric |
| MAINHEAT ENERGY EFF | 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 | Low energy lighting in all fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | Electricity: electricity, unspecified tariff |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | — |
| MECHANICAL VENTILATION | — |
| ADDRESS | 21 High Street |
| LOCAL AUTHORITY LABEL | Gwynedd |
| CONSTITUENCY LABEL | Dwyfor Meirionnydd |
| POSTTOWN | PORTHMADOG |
| CONSTRUCTION AGE BAND | 2022 |
| LODGEMENT DATETIME | 2022-08-09 09:15:27 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 15 |
| LOW ENERGY FIXED LIGHT COUNT | 15 |
| UPRN | 200003179133 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 3 |
| Source file | certificates-2022.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |