Energy Performance Certificate
Flat B9, Llys Y Deon, Dean Street, LL57 1US
Energy rating
Current: 81 B | Potential: 85 B
Environmental impact (CO₂)
Current: 88
| Potential: 89
| Field | Value |
|---|---|
| LMK KEY | 3400-1035-7002-1503-9906 |
| ADDRESS1 | Flat B9 |
| ADDRESS2 | Llys Y Deon |
| ADDRESS3 | Dean Street |
| POSTCODE | LL57 1US |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | B |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 81 |
| POTENTIAL ENERGY EFFICIENCY | 85 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Enclosed Mid-Terrace |
| INSPECTION DATE | 2025-07-04 |
| LOCAL AUTHORITY | W06000002 |
| CONSTITUENCY | W07000083 |
| COUNTY | — |
| LODGEMENT DATE | 2025-07-17 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 88 |
| ENVIRONMENT IMPACT POTENTIAL | 89 |
| ENERGY CONSUMPTION CURRENT | 73 |
| ENERGY CONSUMPTION POTENTIAL | 59 |
| CO2 EMISSIONS CURRENT | 1.5 |
| CO2 EMISS CURR PER FLOOR AREA | 11 |
| CO2 EMISSIONS POTENTIAL | 1.4 |
| LIGHTING COST CURRENT | 79 |
| LIGHTING COST POTENTIAL | 79 |
| HEATING COST CURRENT | 587 |
| HEATING COST POTENTIAL | 321 |
| HOT WATER COST CURRENT | 290 |
| HOT WATER COST POTENTIAL | 226 |
| TOTAL FLOOR AREA | 133 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Appliance thermostats |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 7 |
| NUMBER HEATED ROOMS | 7 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | Community scheme |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Average |
| FLOOR DESCRIPTION | (another dwelling below) |
| 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, as built, insulated (assumed) |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | (another dwelling above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Room heaters, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Appliance thermostats |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Excellent lighting efficiency |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 4.548 |
| FLOOR HEIGHT | 2.379 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat B9, Llys Y Deon, Dean Street |
| LOCAL AUTHORITY LABEL | Gwynedd |
| CONSTITUENCY LABEL | Bangor Aberconwy |
| POSTTOWN | BANGOR |
| CONSTRUCTION AGE BAND | England and Wales: 2012-2021 |
| LODGEMENT DATETIME | 2025-07-17 10:41:35 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 48 |
| LOW ENERGY FIXED LIGHT COUNT | 48 |
| UPRN | 10090571390 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |