Energy Performance Certificate
Swyn Y Don, Llandanwg, LL46 2SB
Energy rating
Current: 32 F | Potential: 74 C
Environmental impact (CO₂)
Current: 32
| Potential: 42
| Field | Value |
|---|---|
| LMK KEY | 6100-0317-0822-2508-3653 |
| ADDRESS1 | Swyn Y Don |
| ADDRESS2 | Llandanwg |
| ADDRESS3 | — |
| POSTCODE | LL46 2SB |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | F |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 32 |
| POTENTIAL ENERGY EFFICIENCY | 74 |
| PROPERTY TYPE | Bungalow |
| BUILT FORM | Detached |
| INSPECTION DATE | 2025-06-09 |
| LOCAL AUTHORITY | W06000002 |
| CONSTITUENCY | W07000096 |
| COUNTY | — |
| LODGEMENT DATE | 2025-06-09 |
| TRANSACTION TYPE | None of the above |
| ENVIRONMENT IMPACT CURRENT | 32 |
| ENVIRONMENT IMPACT POTENTIAL | 42 |
| ENERGY CONSUMPTION CURRENT | 523 |
| ENERGY CONSUMPTION POTENTIAL | 397 |
| CO2 EMISSIONS CURRENT | 6.2 |
| CO2 EMISS CURR PER FLOOR AREA | 91 |
| CO2 EMISSIONS POTENTIAL | 4.6 |
| LIGHTING COST CURRENT | 87 |
| LIGHTING COST POTENTIAL | 83 |
| HEATING COST CURRENT | 2212 |
| HEATING COST POTENTIAL | 1208 |
| HOT WATER COST CURRENT | 320 |
| HOT WATER COST POTENTIAL | 152 |
| TOTAL FLOOR AREA | 68 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer and appliance thermostats |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing, unknown install date |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 4 |
| NUMBER HEATED ROOMS | 4 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Poor |
| HOT WATER ENV EFF | Poor |
| 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 | System built, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Very Poor |
| WALLS ENV EFF | Very 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 | Room heaters, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Poor |
| MAINHEATCONT DESCRIPTION | Programmer and appliance thermostats |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Low energy lighting in all fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.35 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Swyn Y Don, Llandanwg |
| LOCAL AUTHORITY LABEL | Gwynedd |
| CONSTITUENCY LABEL | Dwyfor Meirionnydd |
| POSTTOWN | HARLECH |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2025-06-09 16:07:33 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 10 |
| LOW ENERGY FIXED LIGHT COUNT | 10 |
| UPRN | 10070345846 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |