Energy Performance Certificate
Flat 2, Lion House, 23 Islington High Street, N1 9LQ
Energy rating
Current: 77 C | Potential: 77 C
Environmental impact (CO₂)
Current: 79
| Potential: 79
| Field | Value |
|---|---|
| LMK KEY | 4900-7349-0532-2520-3263 |
| ADDRESS1 | Flat 2 |
| ADDRESS2 | Lion House |
| ADDRESS3 | 23 Islington High Street |
| POSTCODE | N1 9LQ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 77 |
| POTENTIAL ENERGY EFFICIENCY | 77 |
| PROPERTY TYPE | Flat |
| BUILT FORM | End-Terrace |
| INSPECTION DATE | 2026-02-24 |
| LOCAL AUTHORITY | E09000019 |
| CONSTITUENCY | E14001306 |
| COUNTY | — |
| LODGEMENT DATE | 2026-02-24 |
| TRANSACTION TYPE | New dwelling |
| ENVIRONMENT IMPACT CURRENT | 79 |
| ENVIRONMENT IMPACT POTENTIAL | 79 |
| ENERGY CONSUMPTION CURRENT | 132 |
| ENERGY CONSUMPTION POTENTIAL | 132 |
| CO2 EMISSIONS CURRENT | 1.2 |
| CO2 EMISS CURR PER FLOOR AREA | 23.9 |
| CO2 EMISSIONS POTENTIAL | 1.2 |
| LIGHTING COST CURRENT | 42 |
| LIGHTING COST POTENTIAL | 42 |
| HEATING COST CURRENT | 342 |
| HEATING COST POTENTIAL | 342 |
| HOT WATER COST CURRENT | 158 |
| HOT WATER COST POTENTIAL | 158 |
| TOTAL FLOOR AREA | 51 |
| ENERGY TARIFF | standard tariff |
| MAINS GAS FLAG | — |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | — |
| NUMBER HABITABLE ROOMS | — |
| NUMBER HEATED ROOMS | — |
| 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 | Average thermal transmittance 0.1 W/m²K |
| FLOOR ENERGY EFF | Very Good |
| FLOOR ENV EFF | Very Good |
| WINDOWS DESCRIPTION | High performance glazing |
| WINDOWS ENERGY EFF | Good |
| WINDOWS ENV EFF | Good |
| WALLS DESCRIPTION | Average thermal transmittance 0.28 W/m²K |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | (other premises above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Boiler and radiators, mains gas |
| MAINHEAT ENERGY EFF | Very Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Programmer, room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | Gas: mains gas |
| WIND TURBINE COUNT | — |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 3.66 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | — |
| MECHANICAL VENTILATION | — |
| ADDRESS | Flat 2, Lion House, 23 Islington High Street |
| LOCAL AUTHORITY LABEL | Islington |
| CONSTITUENCY LABEL | Islington South and Finsbury |
| POSTTOWN | LONDON |
| CONSTRUCTION AGE BAND | 2023 |
| LODGEMENT DATETIME | 2026-02-24 12:01:31 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 27 |
| LOW ENERGY FIXED LIGHT COUNT | 27 |
| UPRN | 10096363613 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 3 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |