Energy Performance Certificate
23 Sark Close, TW5 0PZ
Energy rating
Current: 102 A | Potential: 104 A
Environmental impact (CO₂)
Current: 83
| Potential: 84
| Field | Value |
|---|---|
| LMK KEY | 9990-1202-9105-5458-1304 |
| ADDRESS1 | 23 Sark Close |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | TW5 0PZ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | A |
| POTENTIAL ENERGY RATING | A |
| CURRENT ENERGY EFFICIENCY | 102 |
| POTENTIAL ENERGY EFFICIENCY | 104 |
| PROPERTY TYPE | House |
| BUILT FORM | End-Terrace |
| INSPECTION DATE | 2025-11-14 |
| LOCAL AUTHORITY | E09000018 |
| CONSTITUENCY | E14001124 |
| COUNTY | — |
| LODGEMENT DATE | 2025-11-14 |
| TRANSACTION TYPE | None of the above |
| ENVIRONMENT IMPACT CURRENT | 83 |
| ENVIRONMENT IMPACT POTENTIAL | 84 |
| ENERGY CONSUMPTION CURRENT | 84 |
| ENERGY CONSUMPTION POTENTIAL | 73 |
| CO2 EMISSIONS CURRENT | 1.2 |
| CO2 EMISS CURR PER FLOOR AREA | 18 |
| CO2 EMISSIONS POTENTIAL | 1.1 |
| LIGHTING COST CURRENT | 62 |
| LIGHTING COST POTENTIAL | 62 |
| HEATING COST CURRENT | 496 |
| HEATING COST POTENTIAL | 454 |
| HOT WATER COST CURRENT | 189 |
| HOT WATER COST POTENTIAL | 189 |
| TOTAL FLOOR AREA | 68 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 4 |
| NUMBER HEATED ROOMS | 4 |
| 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 | Solid, 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 | Cavity wall, filled cavity |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| 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 | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very 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 | 2.24 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 23 Sark Close |
| LOCAL AUTHORITY LABEL | Hounslow |
| CONSTITUENCY LABEL | Brentford and Isleworth |
| POSTTOWN | HOUNSLOW |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2025-11-14 17:17:31 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 46 |
| LOW ENERGY FIXED LIGHT COUNT | 46 |
| UPRN | 100021559038 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |