Energy Performance Certificate
74 Llansteffan Road, Johnstown, SA31 3NR
Energy rating
Current: 73 C | Potential: 80 C
Environmental impact (CO₂)
Current: 73
| Potential: 77
| Field | Value |
|---|---|
| LMK KEY | 9897-3059-3207-7576-9200 |
| ADDRESS1 | 74 Llansteffan Road |
| ADDRESS2 | Johnstown |
| ADDRESS3 | — |
| POSTCODE | SA31 3NR |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 73 |
| POTENTIAL ENERGY EFFICIENCY | 80 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2026-03-11 |
| LOCAL AUTHORITY | W06000010 |
| CONSTITUENCY | W07000087 |
| COUNTY | — |
| LODGEMENT DATE | 2026-03-11 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 73 |
| ENVIRONMENT IMPACT POTENTIAL | 77 |
| ENERGY CONSUMPTION CURRENT | 163 |
| ENERGY CONSUMPTION POTENTIAL | 132 |
| CO2 EMISSIONS CURRENT | 2.6 |
| CO2 EMISS CURR PER FLOOR AREA | 30 |
| CO2 EMISSIONS POTENTIAL | 2.2 |
| LIGHTING COST CURRENT | 58 |
| LIGHTING COST POTENTIAL | 58 |
| HEATING COST CURRENT | 760 |
| HEATING COST POTENTIAL | 673 |
| HOT WATER COST CURRENT | 175 |
| HOT WATER COST POTENTIAL | 175 |
| TOTAL FLOOR AREA | 86 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer and room thermostat |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 6 |
| NUMBER HEATED ROOMS | 6 |
| LOW ENERGY LIGHTING | 96 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | 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 | 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, 200 mm loft insulation |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Boiler and radiators, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Programmer and room thermostat |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | mains gas (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 | 74 Llansteffan Road, Johnstown |
| LOCAL AUTHORITY LABEL | Carmarthenshire |
| CONSTITUENCY LABEL | Caerfyrddin |
| POSTTOWN | CARMARTHEN |
| CONSTRUCTION AGE BAND | England and Wales: 1983-1990 |
| LODGEMENT DATETIME | 2026-03-11 12:56:20 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 23 |
| LOW ENERGY FIXED LIGHT COUNT | 22 |
| UPRN | 100100149594 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |