Energy Performance Certificate
18 Maes Alarch, Mostyn, CH8 9QA
Energy rating
Current: 65 D | Potential: 70 C
Environmental impact (CO₂)
Current: 59
| Potential: 62
| Field | Value |
|---|---|
| LMK KEY | 5535-7622-2509-0683-7292 |
| ADDRESS1 | 18 Maes Alarch |
| ADDRESS2 | Mostyn |
| ADDRESS3 | — |
| POSTCODE | CH8 9QA |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 65 |
| POTENTIAL ENERGY EFFICIENCY | 70 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2025-12-17 |
| LOCAL AUTHORITY | W06000005 |
| CONSTITUENCY | W07000094 |
| COUNTY | — |
| LODGEMENT DATE | 2026-01-07 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 59 |
| ENVIRONMENT IMPACT POTENTIAL | 62 |
| ENERGY CONSUMPTION CURRENT | 169 |
| ENERGY CONSUMPTION POTENTIAL | 152 |
| CO2 EMISSIONS CURRENT | 5.3 |
| CO2 EMISS CURR PER FLOOR AREA | 41 |
| CO2 EMISSIONS POTENTIAL | 4.9 |
| LIGHTING COST CURRENT | 74 |
| LIGHTING COST POTENTIAL | 74 |
| HEATING COST CURRENT | 1100 |
| HEATING COST POTENTIAL | 1040 |
| HOT WATER COST CURRENT | 414 |
| HOT WATER COST POTENTIAL | 414 |
| TOTAL FLOOR AREA | 128 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 3 |
| NUMBER HABITABLE ROOMS | 5 |
| NUMBER HEATED ROOMS | 5 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Average |
| 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 | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 300 mm loft insulation |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Boiler and radiators, oil |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Average |
| MAINHEATCONT DESCRIPTION | Room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | oil (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.52 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 18 Maes Alarch, Mostyn |
| LOCAL AUTHORITY LABEL | Flintshire |
| CONSTITUENCY LABEL | Clwyd East |
| POSTTOWN | HOLYWELL |
| CONSTRUCTION AGE BAND | England and Wales: 1991-1995 |
| LODGEMENT DATETIME | 2026-01-07 16:43:32 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 18 |
| LOW ENERGY FIXED LIGHT COUNT | 18 |
| UPRN | 100100935072 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |