Energy Performance Certificate
41 Williams Way, WD7 7HB
Energy rating
Current: 48 E | Potential: 67 D
Environmental impact (CO₂)
Current: 38
| Potential: 55
| Field | Value |
|---|---|
| LMK KEY | 9834-2629-6409-0418-4226 |
| ADDRESS1 | 41 Williams Way |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | WD7 7HB |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | D |
| CURRENT ENERGY EFFICIENCY | 48 |
| POTENTIAL ENERGY EFFICIENCY | 67 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2024-11-28 |
| LOCAL AUTHORITY | E07000098 |
| CONSTITUENCY | E14001284 |
| COUNTY | — |
| LODGEMENT DATE | 2024-12-03 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 38 |
| ENVIRONMENT IMPACT POTENTIAL | 55 |
| ENERGY CONSUMPTION CURRENT | 338 |
| ENERGY CONSUMPTION POTENTIAL | 214 |
| CO2 EMISSIONS CURRENT | 11 |
| CO2 EMISS CURR PER FLOOR AREA | 60 |
| CO2 EMISSIONS POTENTIAL | 7.0 |
| LIGHTING COST CURRENT | 148 |
| LIGHTING COST POTENTIAL | 148 |
| HEATING COST CURRENT | 2889 |
| HEATING COST POTENTIAL | 2125 |
| HOT WATER COST CURRENT | 207 |
| HOT WATER COST POTENTIAL | 127 |
| TOTAL FLOOR AREA | 185 |
| 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 | double glazing installed during or after 2002 |
| GLAZED AREA | More Than Typical |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 7 |
| NUMBER HEATED ROOMS | 7 |
| LOW ENERGY LIGHTING | 95 |
| NUMBER OPEN FIREPLACES | 1 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | Suspended, no insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Good |
| WINDOWS ENV EFF | Good |
| WALLS DESCRIPTION | Cavity wall, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Poor |
| WALLS ENV EFF | Poor |
| SECONDHEAT DESCRIPTION | Room heaters, mains gas |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, insulated at rafters |
| ROOF ENERGY EFF | Very Poor |
| ROOF ENV EFF | Very Poor |
| 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 | Low energy lighting in 95% of 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 | 2.43 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 41 Williams Way |
| LOCAL AUTHORITY LABEL | Hertsmere |
| CONSTITUENCY LABEL | Hertsmere |
| POSTTOWN | RADLETT |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2024-12-03 08:29:34 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 22 |
| LOW ENERGY FIXED LIGHT COUNT | 21 |
| UPRN | 10013029284 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2024.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |