Energy Performance Certificate
Basement, 70 Portnall Road, W9 3BE
Energy rating
Current: 66 D | Potential: 78 C
Environmental impact (CO₂)
Current: 62
| Potential: 79
| Field | Value |
|---|---|
| LMK KEY | 5019-2275-9002-0771-2702 |
| ADDRESS1 | Basement |
| ADDRESS2 | 70 Portnall Road |
| ADDRESS3 | — |
| POSTCODE | W9 3BE |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 66 |
| POTENTIAL ENERGY EFFICIENCY | 78 |
| PROPERTY TYPE | Maisonette |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-09-30 |
| LOCAL AUTHORITY | E09000033 |
| CONSTITUENCY | E14001435 |
| COUNTY | — |
| LODGEMENT DATE | 2025-10-15 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 62 |
| ENVIRONMENT IMPACT POTENTIAL | 79 |
| ENERGY CONSUMPTION CURRENT | 185 |
| ENERGY CONSUMPTION POTENTIAL | 102 |
| CO2 EMISSIONS CURRENT | 3.4 |
| CO2 EMISS CURR PER FLOOR AREA | 34 |
| CO2 EMISSIONS POTENTIAL | 1.9 |
| LIGHTING COST CURRENT | 62 |
| LIGHTING COST POTENTIAL | 62 |
| HEATING COST CURRENT | 1020 |
| HEATING COST POTENTIAL | 522 |
| HOT WATER COST CURRENT | 189 |
| HOT WATER COST POTENTIAL | 190 |
| TOTAL FLOOR AREA | 101 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 1 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | TRVs and bypass |
| MULTI GLAZE PROPORTION | 0 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 2 |
| 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 | Single glazed |
| WINDOWS ENERGY EFF | Very Poor |
| WINDOWS ENV EFF | Very Poor |
| 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 | (another dwelling above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Boiler and radiators, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | TRVs and bypass |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.53 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Basement, 70 Portnall Road |
| LOCAL AUTHORITY LABEL | Westminster |
| CONSTITUENCY LABEL | Queen's Park and Maida Vale |
| POSTTOWN | LONDON |
| CONSTRUCTION AGE BAND | England and Wales: before 1900 |
| LODGEMENT DATETIME | 2025-10-15 10:53:08 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 13 |
| LOW ENERGY FIXED LIGHT COUNT | 13 |
| UPRN | 100022792579 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |