Energy Performance Certificate
Flat 2, 25 Sanctuary Close, Harefield, UB9 6LJ
Energy rating
Current: 69 C | Potential: 78 C
Environmental impact (CO₂)
Current: 92
| Potential: 94
| Field | Value |
|---|---|
| LMK KEY | 0062-3258-2556-1430-0894 |
| ADDRESS1 | Flat 2, 25 Sanctuary Close |
| ADDRESS2 | Harefield |
| ADDRESS3 | — |
| POSTCODE | UB9 6LJ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 69 |
| POTENTIAL ENERGY EFFICIENCY | 78 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2026-06-04 |
| LOCAL AUTHORITY | E09000017 |
| CONSTITUENCY | E14001454 |
| COUNTY | — |
| LODGEMENT DATE | 2026-06-04 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 92 |
| ENVIRONMENT IMPACT POTENTIAL | 94 |
| ENERGY CONSUMPTION CURRENT | 219 |
| ENERGY CONSUMPTION POTENTIAL | 158 |
| CO2 EMISSIONS CURRENT | 0.3 |
| CO2 EMISS CURR PER FLOOR AREA | 21 |
| CO2 EMISSIONS POTENTIAL | 0.2 |
| LIGHTING COST CURRENT | 16 |
| LIGHTING COST POTENTIAL | 19 |
| HEATING COST CURRENT | 392 |
| HEATING COST POTENTIAL | 130 |
| HOT WATER COST CURRENT | 226 |
| HOT WATER COST POTENTIAL | 260 |
| TOTAL FLOOR AREA | 16 |
| ENERGY TARIFF | Unknown |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 1 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer and 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 instantaneous at point of use |
| 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 | Fully double glazed |
| WINDOWS ENERGY EFF | Average |
| WINDOWS ENV EFF | Average |
| 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 | (another dwelling above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Room heaters, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Programmer and 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 | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 3.6 |
| FLOOR HEIGHT | 2.4 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat 2, 25 Sanctuary Close, Harefield |
| LOCAL AUTHORITY LABEL | Hillingdon |
| CONSTITUENCY LABEL | Ruislip, Northwood and Pinner |
| POSTTOWN | UXBRIDGE |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2026-06-04 16:32:46 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 5 |
| LOW ENERGY FIXED LIGHT COUNT | 5 |
| UPRN | — |
| UPRN SOURCE | — |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |