Energy Performance Certificate
1 Numa Court, Justin Close, TW8 8QG
Energy rating
Current: 62 D | Potential: 70 C
Environmental impact (CO₂)
Current: 55
| Potential: 67
| Field | Value |
|---|---|
| LMK KEY | 5035-0122-5509-0702-7206 |
| ADDRESS1 | 1 Numa Court |
| ADDRESS2 | Justin Close |
| ADDRESS3 | — |
| POSTCODE | TW8 8QG |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 62 |
| POTENTIAL ENERGY EFFICIENCY | 70 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2025-12-02 |
| LOCAL AUTHORITY | E09000018 |
| CONSTITUENCY | E14001124 |
| COUNTY | — |
| LODGEMENT DATE | 2025-12-03 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 55 |
| ENVIRONMENT IMPACT POTENTIAL | 67 |
| ENERGY CONSUMPTION CURRENT | 263 |
| ENERGY CONSUMPTION POTENTIAL | 193 |
| CO2 EMISSIONS CURRENT | 3.3 |
| CO2 EMISS CURR PER FLOOR AREA | 48 |
| CO2 EMISSIONS POTENTIAL | 2.4 |
| LIGHTING COST CURRENT | 53 |
| LIGHTING COST POTENTIAL | 53 |
| HEATING COST CURRENT | 670 |
| HEATING COST POTENTIAL | 479 |
| HOT WATER COST CURRENT | 245 |
| HOT WATER COST POTENTIAL | 216 |
| TOTAL FLOOR AREA | 68 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 1 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Flat rate charging, TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Community scheme |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Average |
| FLOOR DESCRIPTION | Solid, no insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Poor |
| WINDOWS ENV EFF | Poor |
| WALLS DESCRIPTION | Cavity wall, as built, partial insulation (assumed) |
| WALLS ENERGY EFF | Average |
| WALLS ENV EFF | Average |
| SECONDHEAT DESCRIPTION | None |
| 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 | Average |
| MAINHEAT ENV EFF | Average |
| MAINHEATCONT DESCRIPTION | Flat rate charging, TRVs |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Average |
| LIGHTING ENV EFF | Average |
| MAIN FUEL | mains gas (community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.3 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 1 Numa Court, Justin Close |
| LOCAL AUTHORITY LABEL | Hounslow |
| CONSTITUENCY LABEL | Brentford and Isleworth |
| POSTTOWN | BRENTFORD |
| CONSTRUCTION AGE BAND | England and Wales: 1976-1982 |
| LODGEMENT DATETIME | 2025-12-03 17:35:41 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 21 |
| LOW ENERGY FIXED LIGHT COUNT | 21 |
| UPRN | 100021514832 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |