Energy Performance Certificate
146 Denham Way, Maple Cross, WD3 9SP
Energy rating
Current: 62 D | Potential: 85 B
Environmental impact (CO₂)
Current: 64
| Potential: 79
| Field | Value |
|---|---|
| LMK KEY | 2230-1793-8050-2000-8095 |
| ADDRESS1 | 146 Denham Way |
| ADDRESS2 | Maple Cross |
| ADDRESS3 | — |
| POSTCODE | WD3 9SP |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 62 |
| POTENTIAL ENERGY EFFICIENCY | 85 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2025-07-18 |
| LOCAL AUTHORITY | E07000102 |
| CONSTITUENCY | E14001496 |
| COUNTY | — |
| LODGEMENT DATE | 2025-07-20 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 64 |
| ENVIRONMENT IMPACT POTENTIAL | 79 |
| ENERGY CONSUMPTION CURRENT | 253 |
| ENERGY CONSUMPTION POTENTIAL | 136 |
| CO2 EMISSIONS CURRENT | 2.9 |
| CO2 EMISS CURR PER FLOOR AREA | 42 |
| CO2 EMISSIONS POTENTIAL | 1.6 |
| LIGHTING COST CURRENT | 45 |
| LIGHTING COST POTENTIAL | 45 |
| HEATING COST CURRENT | 976 |
| HEATING COST POTENTIAL | 597 |
| HOT WATER COST CURRENT | 171 |
| HOT WATER COST POTENTIAL | 171 |
| TOTAL FLOOR AREA | 69 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 2 |
| NUMBER HABITABLE ROOMS | 5 |
| NUMBER HEATED ROOMS | 5 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| 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 | Average |
| WINDOWS ENV EFF | Average |
| WALLS DESCRIPTION | Solid brick, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Very Poor |
| WALLS ENV EFF | Very Poor |
| SECONDHEAT DESCRIPTION | Room heaters, wood logs |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 300 mm loft insulation |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Boiler and radiators, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Programmer, room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Excellent lighting efficiency |
| 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 | 2.44 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 146 Denham Way, Maple Cross |
| LOCAL AUTHORITY LABEL | Three Rivers |
| CONSTITUENCY LABEL | South West Hertfordshire |
| POSTTOWN | RICKMANSWORTH |
| CONSTRUCTION AGE BAND | England and Wales: 1930-1949 |
| LODGEMENT DATETIME | 2025-07-20 14:26:30 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 10 |
| LOW ENERGY FIXED LIGHT COUNT | 10 |
| UPRN | 200000938720 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |