Energy Performance Certificate
419 Testerton Walk, W11 1WQ
Energy rating
Current: 57 D | Potential: 66 D
Environmental impact (CO₂)
Current: 66
| Potential: 79
| Field | Value |
|---|---|
| LMK KEY | 0300-2693-1510-2995-4571 |
| ADDRESS1 | 419 Testerton Walk |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | W11 1WQ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | D |
| CURRENT ENERGY EFFICIENCY | 57 |
| POTENTIAL ENERGY EFFICIENCY | 66 |
| PROPERTY TYPE | Maisonette |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2025-09-17 |
| LOCAL AUTHORITY | E09000020 |
| CONSTITUENCY | E14001310 |
| COUNTY | — |
| LODGEMENT DATE | 2025-10-27 |
| TRANSACTION TYPE | Stock condition survey |
| ENVIRONMENT IMPACT CURRENT | 66 |
| ENVIRONMENT IMPACT POTENTIAL | 79 |
| ENERGY CONSUMPTION CURRENT | 202 |
| ENERGY CONSUMPTION POTENTIAL | 136 |
| CO2 EMISSIONS CURRENT | 2.5 |
| CO2 EMISS CURR PER FLOOR AREA | 33 |
| CO2 EMISSIONS POTENTIAL | 1.6 |
| LIGHTING COST CURRENT | 87 |
| LIGHTING COST POTENTIAL | 53 |
| HEATING COST CURRENT | 641 |
| HEATING COST POTENTIAL | 412 |
| HOT WATER COST CURRENT | 659 |
| HOT WATER COST POTENTIAL | 659 |
| TOTAL FLOOR AREA | 78 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 1 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Flat rate charging, no thermostatic control of room temperature |
| MULTI GLAZE PROPORTION | 0 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 56 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Electric immersion, standard tariff |
| HOT WATER ENERGY EFF | Very Poor |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Solid, no insulation (assumed) |
| 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, 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 | (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, no thermostatic control of room temperature |
| MAINHEATC ENERGY EFF | Very Poor |
| MAINHEATC ENV EFF | Very Poor |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Poor |
| LIGHTING ENV EFF | Poor |
| MAIN FUEL | mains gas (community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.42 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 419 Testerton Walk |
| LOCAL AUTHORITY LABEL | Kensington and Chelsea |
| CONSTITUENCY LABEL | Kensington and Bayswater |
| POSTTOWN | LONDON |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2025-10-27 09:00:53 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 9 |
| LOW ENERGY FIXED LIGHT COUNT | 5 |
| UPRN | 217051431 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |