Energy Performance Certificate
51 Overthorpe Close, Knaphill, GU21 2LA
Energy rating
Current: 75 C | Potential: 83 B
Environmental impact (CO₂)
Current: 89
| Potential: 92
| Field | Value |
|---|---|
| LMK KEY | 0390-2033-0560-2895-2161 |
| ADDRESS1 | 51 Overthorpe Close |
| ADDRESS2 | Knaphill |
| ADDRESS3 | — |
| POSTCODE | GU21 2LA |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 75 |
| POTENTIAL ENERGY EFFICIENCY | 83 |
| PROPERTY TYPE | House |
| BUILT FORM | Enclosed End-Terrace |
| INSPECTION DATE | 2025-06-17 |
| LOCAL AUTHORITY | E07000217 |
| CONSTITUENCY | E14001592 |
| COUNTY | — |
| LODGEMENT DATE | 2025-06-19 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 89 |
| ENVIRONMENT IMPACT POTENTIAL | 92 |
| ENERGY CONSUMPTION CURRENT | 183 |
| ENERGY CONSUMPTION POTENTIAL | 128 |
| CO2 EMISSIONS CURRENT | 0.6 |
| CO2 EMISS CURR PER FLOOR AREA | 16 |
| CO2 EMISSIONS POTENTIAL | 0.5 |
| LIGHTING COST CURRENT | 30 |
| LIGHTING COST POTENTIAL | 30 |
| HEATING COST CURRENT | 461 |
| HEATING COST POTENTIAL | 415 |
| HOT WATER COST CURRENT | 301 |
| HOT WATER COST POTENTIAL | 235 |
| TOTAL FLOOR AREA | 39 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Controls for high heat retention storage heaters |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 2 |
| NUMBER HEATED ROOMS | 1 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Suspended, 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 | Timber frame, as built, insulated (assumed) |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | Portable electric heaters (assumed) |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 350 mm loft insulation |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Electric storage heaters |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Controls for high heat retention storage heaters |
| 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 LENGTH | — |
| FLOOR HEIGHT | 2.45 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 51 Overthorpe Close, Knaphill |
| LOCAL AUTHORITY LABEL | Woking |
| CONSTITUENCY LABEL | Woking |
| POSTTOWN | WOKING |
| CONSTRUCTION AGE BAND | England and Wales: 1976-1982 |
| LODGEMENT DATETIME | 2025-06-19 14:16:41 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 10 |
| LOW ENERGY FIXED LIGHT COUNT | 10 |
| UPRN | 100061653564 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |