Energy Performance Certificate
Flat 7, Onyx House, Percy Gardens, KT4 7SB
Energy rating
Current: 53 E | Potential: 78 C
Environmental impact (CO₂)
Current: 88
| Potential: 91
| Field | Value |
|---|---|
| LMK KEY | 2100-9783-3050-1109-3201 |
| ADDRESS1 | Flat 7 |
| ADDRESS2 | Onyx House |
| ADDRESS3 | Percy Gardens |
| POSTCODE | KT4 7SB |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 53 |
| POTENTIAL ENERGY EFFICIENCY | 78 |
| PROPERTY TYPE | Flat |
| BUILT FORM | End-Terrace |
| INSPECTION DATE | 2025-07-07 |
| LOCAL AUTHORITY | E09000021 |
| CONSTITUENCY | E14001586 |
| COUNTY | — |
| LODGEMENT DATE | 2025-07-08 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 88 |
| ENVIRONMENT IMPACT POTENTIAL | 91 |
| ENERGY CONSUMPTION CURRENT | 217 |
| ENERGY CONSUMPTION POTENTIAL | 180 |
| CO2 EMISSIONS CURRENT | 0.6 |
| CO2 EMISS CURR PER FLOOR AREA | 21 |
| CO2 EMISSIONS POTENTIAL | 0.5 |
| LIGHTING COST CURRENT | 80 |
| LIGHTING COST POTENTIAL | 38 |
| HEATING COST CURRENT | 530 |
| HEATING COST POTENTIAL | 250 |
| HOT WATER COST CURRENT | 541 |
| HOT WATER COST POTENTIAL | 298 |
| TOTAL FLOOR AREA | 29 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | None |
| MULTI GLAZE PROPORTION | 90 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 2 |
| NUMBER HEATED ROOMS | 0 |
| LOW ENERGY LIGHTING | 7 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | Electric immersion, standard tariff |
| HOT WATER ENERGY EFF | Very Poor |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | (another dwelling below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Mostly double glazing |
| WINDOWS ENERGY EFF | Average |
| WINDOWS ENV EFF | Average |
| WALLS DESCRIPTION | Cavity wall, as built, insulated (assumed) |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 100 mm loft insulation |
| ROOF ENERGY EFF | Average |
| ROOF ENV EFF | Average |
| MAINHEAT DESCRIPTION | No system present: electric heaters assumed |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | None |
| MAINHEATC ENERGY EFF | Very Poor |
| MAINHEATC ENV EFF | Very Poor |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Very Poor |
| LIGHTING ENV EFF | Very Poor |
| MAIN FUEL | To be used only when there is no heating/hot-water system or data is from a community network |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | stairwell |
| UNHEATED CORRIDOR LENGTH | 4.98 |
| FLOOR HEIGHT | 2.3 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat 7, Onyx House, Percy Gardens |
| LOCAL AUTHORITY LABEL | Kingston upon Thames |
| CONSTITUENCY LABEL | Wimbledon |
| POSTTOWN | WORCESTER PARK |
| CONSTRUCTION AGE BAND | England and Wales: 1991-1995 |
| LODGEMENT DATETIME | 2025-07-08 09:39:02 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 15 |
| LOW ENERGY FIXED LIGHT COUNT | 1 |
| UPRN | 100021803719 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |