Energy Performance Certificate
21 Old Park Mews, TW5 0QD
Energy rating
Current: 47 E | Potential: 79 C
Environmental impact (CO₂)
Current: 83
| Potential: 91
| Field | Value |
|---|---|
| LMK KEY | 2487-3052-5206-4065-2200 |
| ADDRESS1 | 21 Old Park Mews |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | TW5 0QD |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 47 |
| POTENTIAL ENERGY EFFICIENCY | 79 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2025-06-28 |
| LOCAL AUTHORITY | E09000018 |
| CONSTITUENCY | E14001236 |
| COUNTY | — |
| LODGEMENT DATE | 2025-07-01 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 83 |
| ENVIRONMENT IMPACT POTENTIAL | 91 |
| ENERGY CONSUMPTION CURRENT | 218 |
| ENERGY CONSUMPTION POTENTIAL | 124 |
| CO2 EMISSIONS CURRENT | 1.1 |
| CO2 EMISS CURR PER FLOOR AREA | 21 |
| CO2 EMISSIONS POTENTIAL | 0.6 |
| LIGHTING COST CURRENT | 164 |
| LIGHTING COST POTENTIAL | 45 |
| HEATING COST CURRENT | 1401 |
| HEATING COST POTENTIAL | 378 |
| HOT WATER COST CURRENT | 444 |
| HOT WATER COST POTENTIAL | 340 |
| TOTAL FLOOR AREA | 55 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Appliance thermostats |
| MULTI GLAZE PROPORTION | 0 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 0 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | (another dwelling below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Single glazed |
| WINDOWS ENERGY EFF | Very Poor |
| WINDOWS ENV EFF | Very Poor |
| WALLS DESCRIPTION | Cavity wall, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Poor |
| WALLS ENV EFF | Poor |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 100 mm loft insulation |
| ROOF ENERGY EFF | Average |
| ROOF ENV EFF | Average |
| MAINHEAT DESCRIPTION | Room heaters, electric |
| MAINHEAT ENERGY EFF | Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Appliance thermostats |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Very Poor |
| LIGHTING ENV EFF | Very Poor |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.29 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 21 Old Park Mews |
| LOCAL AUTHORITY LABEL | Hounslow |
| CONSTITUENCY LABEL | Feltham and Heston |
| POSTTOWN | HOUNSLOW |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2025-07-01 06:55:57 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 7 |
| LOW ENERGY FIXED LIGHT COUNT | 0 |
| UPRN | 100021556768 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |