Energy Performance Certificate
6 Thirlmere House, 401 Summerwood Road, TW7 7QU
Energy rating
Current: 52 E | Potential: 52 E
Environmental impact (CO₂)
Current: 44
| Potential: 44
| Field | Value |
|---|---|
| LMK KEY | 0300-2592-4660-2496-7375 |
| ADDRESS1 | 6 Thirlmere House |
| ADDRESS2 | 401 Summerwood Road |
| ADDRESS3 | — |
| POSTCODE | TW7 7QU |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | E |
| CURRENT ENERGY EFFICIENCY | 52 |
| POTENTIAL ENERGY EFFICIENCY | 52 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2026-06-12 |
| LOCAL AUTHORITY | E09000018 |
| CONSTITUENCY | E14001124 |
| COUNTY | — |
| LODGEMENT DATE | 2026-06-13 |
| TRANSACTION TYPE | Non-marketed sale |
| ENVIRONMENT IMPACT CURRENT | 44 |
| ENVIRONMENT IMPACT POTENTIAL | 44 |
| ENERGY CONSUMPTION CURRENT | 332 |
| ENERGY CONSUMPTION POTENTIAL | 332 |
| CO2 EMISSIONS CURRENT | 4.7 |
| CO2 EMISS CURR PER FLOOR AREA | 61 |
| CO2 EMISSIONS POTENTIAL | 4.7 |
| LIGHTING COST CURRENT | 65 |
| LIGHTING COST POTENTIAL | 65 |
| HEATING COST CURRENT | 1118 |
| HEATING COST POTENTIAL | 1118 |
| HOT WATER COST CURRENT | 281 |
| HOT WATER COST POTENTIAL | 281 |
| TOTAL FLOOR AREA | 77 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Flat rate charging, programmer and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 89 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Community scheme |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Average |
| FLOOR DESCRIPTION | To unheated space, no insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Very Poor |
| WINDOWS ENV EFF | Very Poor |
| WALLS DESCRIPTION | System built, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Very Poor |
| WALLS ENV EFF | Very Poor |
| 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, programmer and 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 | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 5.14 |
| FLOOR HEIGHT | 2.3 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 6 Thirlmere House, 401 Summerwood Road |
| LOCAL AUTHORITY LABEL | Hounslow |
| CONSTITUENCY LABEL | Brentford and Isleworth |
| POSTTOWN | ISLEWORTH |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2026-06-13 13:00:57 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 9 |
| LOW ENERGY FIXED LIGHT COUNT | 8 |
| UPRN | 100021574546 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |