Energy Performance Certificate
Bron Eryri, Brynrefail, LL55 3NR
Energy rating
Current: 39 E | Potential: 62 D
Environmental impact (CO₂)
Current: 84
| Potential: 89
| Field | Value |
|---|---|
| LMK KEY | 3200-4096-4002-1304-7602 |
| ADDRESS1 | Bron Eryri |
| ADDRESS2 | Brynrefail |
| ADDRESS3 | — |
| POSTCODE | LL55 3NR |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | D |
| CURRENT ENERGY EFFICIENCY | 39 |
| POTENTIAL ENERGY EFFICIENCY | 62 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2026-04-02 |
| LOCAL AUTHORITY | W06000002 |
| CONSTITUENCY | W07000096 |
| COUNTY | — |
| LODGEMENT DATE | 2026-04-02 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 84 |
| ENVIRONMENT IMPACT POTENTIAL | 89 |
| ENERGY CONSUMPTION CURRENT | 236 |
| ENERGY CONSUMPTION POTENTIAL | 171 |
| CO2 EMISSIONS CURRENT | 1.3 |
| CO2 EMISS CURR PER FLOOR AREA | 23 |
| CO2 EMISSIONS POTENTIAL | 0.9 |
| LIGHTING COST CURRENT | 60 |
| LIGHTING COST POTENTIAL | 60 |
| HEATING COST CURRENT | 1756 |
| HEATING COST POTENTIAL | 1624 |
| HOT WATER COST CURRENT | 635 |
| HOT WATER COST POTENTIAL | 402 |
| TOTAL FLOOR AREA | 58 |
| 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 | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 4 |
| NUMBER HEATED ROOMS | 4 |
| LOW ENERGY LIGHTING | 79 |
| NUMBER OPEN FIREPLACES | 1 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Very Poor |
| HOT WATER ENV EFF | Very Good |
| 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 | Granite or whin, with internal insulation |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 175 mm loft insulation |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Boiler and radiators, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Programmer, room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Average |
| LIGHTING ENV EFF | Average |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.4 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Bron Eryri, Brynrefail |
| LOCAL AUTHORITY LABEL | Gwynedd |
| CONSTITUENCY LABEL | Dwyfor Meirionnydd |
| POSTTOWN | CAERNARFON |
| CONSTRUCTION AGE BAND | England and Wales: before 1900 |
| LODGEMENT DATETIME | 2026-04-02 13:14:36 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 29 |
| LOW ENERGY FIXED LIGHT COUNT | 23 |
| UPRN | 10070344360 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |