Energy Performance Certificate
Rock Haven, Bwlch Y Gwynt Road, Llysfaen, LL29 8DQ
Energy rating
Current: 69 C | Potential: 88 B
Environmental impact (CO₂)
Current: 65
| Potential: 71
| Field | Value |
|---|---|
| LMK KEY | 3105-4316-3002-1192-2006 |
| ADDRESS1 | Rock Haven |
| ADDRESS2 | Bwlch Y Gwynt Road |
| ADDRESS3 | Llysfaen |
| POSTCODE | LL29 8DQ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 69 |
| POTENTIAL ENERGY EFFICIENCY | 88 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2026-02-19 |
| LOCAL AUTHORITY | W06000003 |
| CONSTITUENCY | W07000095 |
| COUNTY | — |
| LODGEMENT DATE | 2026-02-23 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 65 |
| ENVIRONMENT IMPACT POTENTIAL | 71 |
| ENERGY CONSUMPTION CURRENT | 140 |
| ENERGY CONSUMPTION POTENTIAL | 100 |
| CO2 EMISSIONS CURRENT | 5.7 |
| CO2 EMISS CURR PER FLOOR AREA | 31 |
| CO2 EMISSIONS POTENTIAL | 4.7 |
| LIGHTING COST CURRENT | 79 |
| LIGHTING COST POTENTIAL | 79 |
| HEATING COST CURRENT | 1409 |
| HEATING COST POTENTIAL | 1331 |
| HOT WATER COST CURRENT | 293 |
| HOT WATER COST POTENTIAL | 294 |
| TOTAL FLOOR AREA | 182 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | — |
| MAIN HEATING CONTROLS | Programmer and at least two room thermostats |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 6 |
| NUMBER HEATED ROOMS | 6 |
| 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, insulated |
| 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, as built, insulated (assumed) |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | Room heaters, wood logs |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 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 and at least two room thermostats |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Excellent lighting efficiency |
| 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 | 1 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Rock Haven, Bwlch Y Gwynt Road, Llysfaen |
| LOCAL AUTHORITY LABEL | Conwy |
| CONSTITUENCY LABEL | Clwyd North |
| POSTTOWN | COLWYN BAY |
| CONSTRUCTION AGE BAND | England and Wales: 2003-2006 |
| LODGEMENT DATETIME | 2026-02-23 10:21:45 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 37 |
| LOW ENERGY FIXED LIGHT COUNT | 37 |
| UPRN | 10023134305 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |