Energy Performance Certificate
23 Penn Drive, Denham, UB9 5JP
Energy rating
Current: 75 C | Potential: 83 B
Environmental impact (CO₂)
Current: 93
| Potential: 95
| Field | Value |
|---|---|
| LMK KEY | 2190-5543-7050-7002-2805 |
| ADDRESS1 | 23 Penn Drive |
| ADDRESS2 | Denham |
| ADDRESS3 | — |
| POSTCODE | UB9 5JP |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 75 |
| POTENTIAL ENERGY EFFICIENCY | 83 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2025-07-02 |
| LOCAL AUTHORITY | E06000060 |
| CONSTITUENCY | E14001082 |
| COUNTY | — |
| LODGEMENT DATE | 2025-07-11 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 93 |
| ENVIRONMENT IMPACT POTENTIAL | 95 |
| ENERGY CONSUMPTION CURRENT | 52 |
| ENERGY CONSUMPTION POTENTIAL | 38 |
| CO2 EMISSIONS CURRENT | 1.3 |
| CO2 EMISS CURR PER FLOOR AREA | 5 |
| CO2 EMISSIONS POTENTIAL | 0.9 |
| LIGHTING COST CURRENT | 106 |
| LIGHTING COST POTENTIAL | 106 |
| HEATING COST CURRENT | 1796 |
| HEATING COST POTENTIAL | 1504 |
| HOT WATER COST CURRENT | 501 |
| HOT WATER COST POTENTIAL | 498 |
| TOTAL FLOOR AREA | 252 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 4 |
| NUMBER HABITABLE ROOMS | 8 |
| NUMBER HEATED ROOMS | 8 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Average |
| 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 | Pitched, insulated (assumed) |
| ROOF ENERGY EFF | Average |
| ROOF ENV EFF | Average |
| MAINHEAT DESCRIPTION | Air source heat pump, underfloor, electric |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very 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 | 2.25 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 23 Penn Drive, Denham |
| LOCAL AUTHORITY LABEL | Buckinghamshire |
| CONSTITUENCY LABEL | Beaconsfield |
| POSTTOWN | UXBRIDGE |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2025-07-11 11:17:41 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 66 |
| LOW ENERGY FIXED LIGHT COUNT | 66 |
| UPRN | 100080497572 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |