Energy Performance Certificate
20 Maes Thornton, Rassau, NP23 5DS
Energy rating
Current: 102 A | Potential: 102 A
Environmental impact (CO₂)
Current: 100
| Potential: 100
| Field | Value |
|---|---|
| LMK KEY | 3835-4338-5500-0109-3206 |
| ADDRESS1 | 20 Maes Thornton |
| ADDRESS2 | Rassau |
| ADDRESS3 | — |
| POSTCODE | NP23 5DS |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | A |
| POTENTIAL ENERGY RATING | A |
| CURRENT ENERGY EFFICIENCY | 102 |
| POTENTIAL ENERGY EFFICIENCY | 102 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2025-08-01 |
| LOCAL AUTHORITY | W06000019 |
| CONSTITUENCY | W07000084 |
| COUNTY | — |
| LODGEMENT DATE | 2025-08-01 |
| TRANSACTION TYPE | New dwelling |
| ENVIRONMENT IMPACT CURRENT | 100 |
| ENVIRONMENT IMPACT POTENTIAL | 100 |
| ENERGY CONSUMPTION CURRENT | -2 |
| ENERGY CONSUMPTION POTENTIAL | -2 |
| CO2 EMISSIONS CURRENT | -0.0 |
| CO2 EMISS CURR PER FLOOR AREA | -0.3 |
| CO2 EMISSIONS POTENTIAL | -0.0 |
| LIGHTING COST CURRENT | 61 |
| LIGHTING COST POTENTIAL | 61 |
| HEATING COST CURRENT | 248 |
| HEATING COST POTENTIAL | 248 |
| HOT WATER COST CURRENT | 403 |
| HOT WATER COST POTENTIAL | 403 |
| TOTAL FLOOR AREA | 90 |
| ENERGY TARIFF | standard tariff |
| MAINS GAS FLAG | — |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | — |
| NUMBER HABITABLE ROOMS | — |
| NUMBER HEATED ROOMS | — |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Average thermal transmittance 0.11 W/m²K |
| FLOOR ENERGY EFF | Very Good |
| FLOOR ENV EFF | Very Good |
| WINDOWS DESCRIPTION | High performance glazing |
| WINDOWS ENERGY EFF | Very Good |
| WINDOWS ENV EFF | Very Good |
| WALLS DESCRIPTION | Average thermal transmittance 0.17 W/m²K |
| WALLS ENERGY EFF | Very Good |
| WALLS ENV EFF | Very Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Average thermal transmittance 0.09 W/m²K |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Air source heat pump, radiators and underfloor, electric |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very Good |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | Electricity: electricity, unspecified tariff |
| WIND TURBINE COUNT | — |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.5 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | — |
| MECHANICAL VENTILATION | — |
| ADDRESS | 20 Maes Thornton, Rassau |
| LOCAL AUTHORITY LABEL | Blaenau Gwent |
| CONSTITUENCY LABEL | Blaenau Gwent and Rhymney |
| POSTTOWN | EBBW VALE |
| CONSTRUCTION AGE BAND | 2023 |
| LODGEMENT DATETIME | 2025-08-01 15:00:23 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 12 |
| LOW ENERGY FIXED LIGHT COUNT | 12 |
| UPRN | 10093453934 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 3 |
| Source file | certificates-2025.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |