Energy Performance Certificate
Merry Down, Commonwood, WD4 9BA
Energy rating
Current: 64 D | Potential: 82 B
Environmental impact (CO₂)
Current: 68
| Potential: 84
| Field | Value |
|---|---|
| LMK KEY | 0529-2848-7227-2620-0205 |
| ADDRESS1 | Merry Down |
| ADDRESS2 | Commonwood |
| ADDRESS3 | — |
| POSTCODE | WD4 9BA |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 64 |
| POTENTIAL ENERGY EFFICIENCY | 82 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2020-02-28 |
| LOCAL AUTHORITY | E07000102 |
| CONSTITUENCY | E14001496 |
| COUNTY | — |
| LODGEMENT DATE | 2020-02-29 |
| TRANSACTION TYPE | RHI application |
| ENVIRONMENT IMPACT CURRENT | 68 |
| ENVIRONMENT IMPACT POTENTIAL | 84 |
| ENERGY CONSUMPTION CURRENT | 156 |
| ENERGY CONSUMPTION POTENTIAL | 73 |
| CO2 EMISSIONS CURRENT | 7.1 |
| CO2 EMISS CURR PER FLOOR AREA | 26 |
| CO2 EMISSIONS POTENTIAL | 3.3 |
| LIGHTING COST CURRENT | 121 |
| LIGHTING COST POTENTIAL | 121 |
| HEATING COST CURRENT | 1785 |
| HEATING COST POTENTIAL | 1618 |
| HOT WATER COST CURRENT | 470 |
| HOT WATER COST POTENTIAL | 318 |
| TOTAL FLOOR AREA | 270 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer, TRVs and bypass |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing, unknown install date |
| GLAZED AREA | More Than Typical |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 11 |
| NUMBER HEATED ROOMS | 11 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 1 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Very Poor |
| HOT WATER ENV EFF | 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, coal |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 270 mm loft insulation |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Air source heat pump, radiators, electric |
| MAINHEAT ENERGY EFF | Very Good |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Programmer, TRVs and bypass |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Low energy lighting in all fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.31 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Merry Down, Commonwood |
| LOCAL AUTHORITY LABEL | Three Rivers |
| CONSTITUENCY LABEL | South West Hertfordshire |
| POSTTOWN | KINGS LANGLEY |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2020-02-29 11:10:56 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 28 |
| LOW ENERGY FIXED LIGHT COUNT | 28 |
| UPRN | 100081290596 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2020.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |