Energy Performance Certificate
Flat, 39 Mostyn Avenue, LL30 1YY
Energy rating
Current: 51 E | Potential: 70 C
Environmental impact (CO₂)
Current: 50
| Potential: 71
| Field | Value |
|---|---|
| LMK KEY | 5508-1396-4002-1727-2702 |
| ADDRESS1 | Flat |
| ADDRESS2 | 39 Mostyn Avenue |
| ADDRESS3 | — |
| POSTCODE | LL30 1YY |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 51 |
| POTENTIAL ENERGY EFFICIENCY | 70 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2026-03-25 |
| LOCAL AUTHORITY | W06000003 |
| CONSTITUENCY | W07000083 |
| COUNTY | — |
| LODGEMENT DATE | 2026-03-26 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 50 |
| ENVIRONMENT IMPACT POTENTIAL | 71 |
| ENERGY CONSUMPTION CURRENT | 272 |
| ENERGY CONSUMPTION POTENTIAL | 169 |
| CO2 EMISSIONS CURRENT | 12 |
| CO2 EMISS CURR PER FLOOR AREA | 44 |
| CO2 EMISSIONS POTENTIAL | 7.6 |
| LIGHTING COST CURRENT | 202 |
| LIGHTING COST POTENTIAL | 107 |
| HEATING COST CURRENT | 4540 |
| HEATING COST POTENTIAL | 2813 |
| HOT WATER COST CURRENT | 330 |
| HOT WATER COST POTENTIAL | 331 |
| TOTAL FLOOR AREA | 277 |
| ENERGY TARIFF | Unknown |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer, TRVs and bypass |
| MULTI GLAZE PROPORTION | 7 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 2 |
| NUMBER HABITABLE ROOMS | 10 |
| NUMBER HEATED ROOMS | 8 |
| LOW ENERGY LIGHTING | 49 |
| NUMBER OPEN FIREPLACES | 4 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | (other premises below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Some double glazing |
| WINDOWS ENERGY EFF | Very Poor |
| WINDOWS ENV EFF | Very Poor |
| WALLS DESCRIPTION | Solid brick, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Poor |
| WALLS ENV EFF | Poor |
| SECONDHEAT DESCRIPTION | Room heaters, dual fuel (mineral and wood) |
| 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, TRVs and bypass |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Poor |
| LIGHTING ENV EFF | Poor |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 3.07 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat, 39 Mostyn Avenue |
| LOCAL AUTHORITY LABEL | Conwy |
| CONSTITUENCY LABEL | Bangor Aberconwy |
| POSTTOWN | LLANDUDNO |
| CONSTRUCTION AGE BAND | England and Wales: 1900-1929 |
| LODGEMENT DATETIME | 2026-03-26 10:28:56 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 41 |
| LOW ENERGY FIXED LIGHT COUNT | 20 |
| UPRN | 10023741578 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |