Energy Performance Certificate
Flat 4, Topaz Apartments, High Street, TW3 1AJ
Energy rating
Current: 74 C | Potential: 74 C
Environmental impact (CO₂)
Current: 72
| Potential: 72
| Field | Value |
|---|---|
| LMK KEY | 2001-1482-0050-9002-0925 |
| ADDRESS1 | Flat 4 |
| ADDRESS2 | Topaz Apartments |
| ADDRESS3 | High Street |
| POSTCODE | TW3 1AJ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 74 |
| POTENTIAL ENERGY EFFICIENCY | 74 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-02-20 |
| LOCAL AUTHORITY | E09000018 |
| CONSTITUENCY | E14001124 |
| COUNTY | — |
| LODGEMENT DATE | 2025-02-20 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 72 |
| ENVIRONMENT IMPACT POTENTIAL | 72 |
| ENERGY CONSUMPTION CURRENT | 157 |
| ENERGY CONSUMPTION POTENTIAL | 157 |
| CO2 EMISSIONS CURRENT | 2.4 |
| CO2 EMISS CURR PER FLOOR AREA | 27 |
| CO2 EMISSIONS POTENTIAL | 2.4 |
| LIGHTING COST CURRENT | 101 |
| LIGHTING COST POTENTIAL | 101 |
| HEATING COST CURRENT | 555 |
| HEATING COST POTENTIAL | 555 |
| HOT WATER COST CURRENT | 175 |
| HOT WATER COST POTENTIAL | 175 |
| TOTAL FLOOR AREA | 86 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 1 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Charging system linked to use of community heating, programmer and room thermostat |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing installed during or after 2002 |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | Community scheme |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | (other premises below) |
| 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 | System built, as built, insulated (assumed) |
| WALLS ENERGY EFF | Very Good |
| WALLS ENV EFF | Very Good |
| SECONDHEAT DESCRIPTION | Room heaters, electric |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | (another dwelling above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Community scheme |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Charging system linked to use of community heating, programmer and room thermostat |
| 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 | mains gas (community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 2.18 |
| FLOOR HEIGHT | 2.39 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat 4, Topaz Apartments, High Street |
| LOCAL AUTHORITY LABEL | Hounslow |
| CONSTITUENCY LABEL | Brentford and Isleworth |
| POSTTOWN | HOUNSLOW |
| CONSTRUCTION AGE BAND | England and Wales: 2012 onwards |
| LODGEMENT DATETIME | 2025-02-20 16:13:48 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 8 |
| LOW ENERGY FIXED LIGHT COUNT | 8 |
| UPRN | 10090800492 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |