Energy Performance Certificate
Flat 4, 454-458 Chiswick High Road, W4 5TT
Energy rating
Current: 59 D | Potential: 59 D
Environmental impact (CO₂)
Current: 88
| Potential: 88
| Field | Value |
|---|---|
| LMK KEY | 9135-6138-9100-0289-0296 |
| ADDRESS1 | Flat 4 |
| ADDRESS2 | 454-458 Chiswick High Road |
| ADDRESS3 | — |
| POSTCODE | W4 5TT |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | D |
| CURRENT ENERGY EFFICIENCY | 59 |
| POTENTIAL ENERGY EFFICIENCY | 59 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-08-11 |
| LOCAL AUTHORITY | E09000018 |
| CONSTITUENCY | E14001264 |
| COUNTY | — |
| LODGEMENT DATE | 2025-08-11 |
| TRANSACTION TYPE | New dwelling |
| ENVIRONMENT IMPACT CURRENT | 88 |
| ENVIRONMENT IMPACT POTENTIAL | 88 |
| ENERGY CONSUMPTION CURRENT | 140 |
| ENERGY CONSUMPTION POTENTIAL | 140 |
| CO2 EMISSIONS CURRENT | 0.9 |
| CO2 EMISS CURR PER FLOOR AREA | 12.5 |
| CO2 EMISSIONS POTENTIAL | 0.9 |
| LIGHTING COST CURRENT | 61 |
| LIGHTING COST POTENTIAL | 61 |
| HEATING COST CURRENT | 694 |
| HEATING COST POTENTIAL | 694 |
| HOT WATER COST CURRENT | 415 |
| HOT WATER COST POTENTIAL | 415 |
| TOTAL FLOOR AREA | 70 |
| ENERGY TARIFF | off-peak 7 hour |
| MAINS GAS FLAG | — |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Controls for high heat retention storage heaters |
| 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 | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Poor |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Average thermal transmittance 0.19 W/m²K |
| FLOOR ENERGY EFF | Good |
| FLOOR ENV EFF | Good |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Average |
| WINDOWS ENV EFF | Average |
| WALLS DESCRIPTION | Average thermal transmittance 0.39 W/m²K |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | (other premises above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Electric storage heaters |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Controls for high heat retention storage heaters |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | Electricity: electricity, unspecified tariff |
| WIND TURBINE COUNT | — |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.5 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | — |
| MECHANICAL VENTILATION | — |
| ADDRESS | Flat 4, 454-458 Chiswick High Road |
| LOCAL AUTHORITY LABEL | Hounslow |
| CONSTITUENCY LABEL | Hammersmith and Chiswick |
| POSTTOWN | London |
| CONSTRUCTION AGE BAND | 2025 |
| LODGEMENT DATETIME | 2025-08-11 14:48:00 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 22 |
| LOW ENERGY FIXED LIGHT COUNT | 22 |
| UPRN | 10097427639 |
| UPRN SOURCE | Address Matched |
| REPORT TYPE | 3 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |