Energy Performance Certificate
21 DARREN LAS, MERTHYR VALE, MERTHYR TYDFIL, CF48 4SZ
Energy rating
Current: 48 E | Potential: 86 B
Environmental impact (CO₂)
Current: 41
| Potential: 84
| Field | Value |
|---|---|
| LMK KEY | 4400-2253-0722-7002-3793 |
| ADDRESS1 | 21 DARREN LAS |
| ADDRESS2 | MERTHYR VALE |
| ADDRESS3 | MERTHYR TYDFIL |
| POSTCODE | CF48 4SZ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 48 |
| POTENTIAL ENERGY EFFICIENCY | 86 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2021-03-05 |
| LOCAL AUTHORITY | W06000024 |
| CONSTITUENCY | W07000099 |
| COUNTY | — |
| LODGEMENT DATE | 2021-03-05 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 41 |
| ENVIRONMENT IMPACT POTENTIAL | 84 |
| ENERGY CONSUMPTION CURRENT | 447 |
| ENERGY CONSUMPTION POTENTIAL | 114 |
| CO2 EMISSIONS CURRENT | 6.1 |
| CO2 EMISS CURR PER FLOOR AREA | 79 |
| CO2 EMISSIONS POTENTIAL | 1.6 |
| LIGHTING COST CURRENT | 64 |
| LIGHTING COST POTENTIAL | 64 |
| HEATING COST CURRENT | 646 |
| HEATING COST POTENTIAL | 464 |
| HOT WATER COST CURRENT | 515 |
| HOT WATER COST POTENTIAL | 69 |
| TOTAL FLOOR AREA | 77 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer, no room thermostat |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing, unknown install date |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 4 |
| NUMBER HEATED ROOMS | 4 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system, no cylinder thermostat |
| HOT WATER ENERGY EFF | Very Poor |
| HOT WATER ENV EFF | Very Poor |
| 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 | Average |
| WALLS ENV EFF | Average |
| SECONDHEAT DESCRIPTION | Room heaters, mains gas |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 250 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, no room thermostat |
| MAINHEATC ENERGY EFF | Very Poor |
| MAINHEATC ENV EFF | Very Poor |
| LIGHTING DESCRIPTION | Low energy lighting in all fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.3 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 21 DARREN LAS, MERTHYR VALE, MERTHYR TYDFIL |
| LOCAL AUTHORITY LABEL | Merthyr Tydfil |
| CONSTITUENCY LABEL | Merthyr Tydfil and Aberdare |
| POSTTOWN | MERTHYR TYDFIL |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2021-03-05 15:45:01 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 16 |
| LOW ENERGY FIXED LIGHT COUNT | 16 |
| UPRN | 100100590868 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2021.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |