Energy Performance Certificate
6a Nancy Downs, WD19 4NF
Energy rating
Current: 84 B | Potential: 90 B
Environmental impact (CO₂)
Current: 86
| Potential: 91
| Field | Value |
|---|---|
| LMK KEY | 2018-3944-1309-9634-6204 |
| ADDRESS1 | 6a Nancy Downs |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | WD19 4NF |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | B |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 84 |
| POTENTIAL ENERGY EFFICIENCY | 90 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2024-11-29 |
| LOCAL AUTHORITY | E07000102 |
| CONSTITUENCY | E14001496 |
| COUNTY | — |
| LODGEMENT DATE | 2024-11-29 |
| TRANSACTION TYPE | New dwelling |
| ENVIRONMENT IMPACT CURRENT | 86 |
| ENVIRONMENT IMPACT POTENTIAL | 91 |
| ENERGY CONSUMPTION CURRENT | 68 |
| ENERGY CONSUMPTION POTENTIAL | 42 |
| CO2 EMISSIONS CURRENT | 3.7 |
| CO2 EMISS CURR PER FLOOR AREA | 12 |
| CO2 EMISSIONS POTENTIAL | 2.3 |
| LIGHTING COST CURRENT | 186 |
| LIGHTING COST POTENTIAL | 186 |
| HEATING COST CURRENT | 1029 |
| HEATING COST POTENTIAL | 1029 |
| HOT WATER COST CURRENT | 550 |
| HOT WATER COST POTENTIAL | 332 |
| TOTAL FLOOR AREA | 317 |
| 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 | Very Poor |
| HOT WATER ENV EFF | Poor |
| FLOOR DESCRIPTION | Average thermal transmittance 0.18 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 0.21 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 0.15 W/m²K |
| 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 | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very Good |
| LIGHTING DESCRIPTION | Low energy lighting in all fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | Electricity: electricity, unspecified tariff |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.85 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | — |
| MECHANICAL VENTILATION | — |
| ADDRESS | 6a Nancy Downs |
| LOCAL AUTHORITY LABEL | Three Rivers |
| CONSTITUENCY LABEL | South West Hertfordshire |
| POSTTOWN | WATFORD |
| CONSTRUCTION AGE BAND | 2022 |
| LODGEMENT DATETIME | 2024-11-29 14:17:50 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 1 |
| LOW ENERGY FIXED LIGHT COUNT | 1 |
| UPRN | 100081142439 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 3 |
| Source file | certificates-2024.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |