Energy Performance Certificate
Studio 5, 66 Portnall Road, W9 3BE
Energy rating
Current: 77 C | Potential: 84 B
Environmental impact (CO₂)
Current: 92
| Potential: 94
| Field | Value |
|---|---|
| LMK KEY | 9029-9423-7075-9396-7553 |
| ADDRESS1 | Studio 5 |
| ADDRESS2 | 66 Portnall Road |
| ADDRESS3 | — |
| POSTCODE | W9 3BE |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 77 |
| POTENTIAL ENERGY EFFICIENCY | 84 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-12-11 |
| LOCAL AUTHORITY | E09000033 |
| CONSTITUENCY | E14001435 |
| COUNTY | — |
| LODGEMENT DATE | 2025-12-12 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 92 |
| ENVIRONMENT IMPACT POTENTIAL | 94 |
| ENERGY CONSUMPTION CURRENT | 251 |
| ENERGY CONSUMPTION POTENTIAL | 193 |
| CO2 EMISSIONS CURRENT | 0.3 |
| CO2 EMISS CURR PER FLOOR AREA | 23 |
| CO2 EMISSIONS POTENTIAL | 0.2 |
| LIGHTING COST CURRENT | 17 |
| LIGHTING COST POTENTIAL | 17 |
| HEATING COST CURRENT | 214 |
| HEATING COST POTENTIAL | 63 |
| HOT WATER COST CURRENT | 272 |
| HOT WATER COST POTENTIAL | 228 |
| TOTAL FLOOR AREA | 13 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Appliance thermostats |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 1 |
| NUMBER HEATED ROOMS | 1 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| 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 | High performance glazing |
| WINDOWS ENERGY EFF | Good |
| WINDOWS ENV EFF | Good |
| WALLS DESCRIPTION | Solid brick, 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 | Pitched, 200 mm loft insulation |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| 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 | Excellent lighting efficiency |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | heated corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.411 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Studio 5, 66 Portnall Road |
| LOCAL AUTHORITY LABEL | Westminster |
| CONSTITUENCY LABEL | Queen's Park and Maida Vale |
| POSTTOWN | LONDON |
| CONSTRUCTION AGE BAND | England and Wales: 1930-1949 |
| LODGEMENT DATETIME | 2025-12-12 00:59:47 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 6 |
| LOW ENERGY FIXED LIGHT COUNT | 6 |
| UPRN | 100022792573 |
| UPRN SOURCE | Address Matched |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |