Energy Performance Certificate
Tregwylan, Stryd Y Ffynnon, Nefyn, LL53 6HW
Energy rating
Current: 59 D | Potential: 73 C
Environmental impact (CO₂)
Current: 50
| Potential: 64
| Field | Value |
|---|---|
| LMK KEY | 3000-2595-0322-0521-3553 |
| ADDRESS1 | Tregwylan |
| ADDRESS2 | Stryd Y Ffynnon |
| ADDRESS3 | Nefyn |
| POSTCODE | LL53 6HW |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 59 |
| POTENTIAL ENERGY EFFICIENCY | 73 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2025-05-21 |
| LOCAL AUTHORITY | W06000002 |
| CONSTITUENCY | W07000096 |
| COUNTY | — |
| LODGEMENT DATE | 2025-05-23 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 50 |
| ENVIRONMENT IMPACT POTENTIAL | 64 |
| ENERGY CONSUMPTION CURRENT | 186 |
| ENERGY CONSUMPTION POTENTIAL | 119 |
| CO2 EMISSIONS CURRENT | 8.6 |
| CO2 EMISS CURR PER FLOOR AREA | 48 |
| CO2 EMISSIONS POTENTIAL | 5.9 |
| LIGHTING COST CURRENT | 138 |
| LIGHTING COST POTENTIAL | 138 |
| HEATING COST CURRENT | 1581 |
| HEATING COST POTENTIAL | 1288 |
| HOT WATER COST CURRENT | 245 |
| HOT WATER COST POTENTIAL | 193 |
| TOTAL FLOOR AREA | 177 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing, unknown install date |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 4 |
| NUMBER HABITABLE ROOMS | 8 |
| NUMBER HEATED ROOMS | 8 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Average |
| FLOOR DESCRIPTION | Suspended, 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 | Granite or whinstone, 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 | Roof room(s), insulated |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Boiler and radiators, oil |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Average |
| MAINHEATCONT DESCRIPTION | Programmer, room thermostat and TRVs |
| 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 | oil (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.9 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Tregwylan, Stryd Y Ffynnon, Nefyn |
| LOCAL AUTHORITY LABEL | Gwynedd |
| CONSTITUENCY LABEL | Dwyfor Meirionnydd |
| POSTTOWN | PWLLHELI |
| CONSTRUCTION AGE BAND | England and Wales: before 1900 |
| LODGEMENT DATETIME | 2025-05-23 16:45:25 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 19 |
| LOW ENERGY FIXED LIGHT COUNT | 19 |
| UPRN | 200003176607 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |