Energy Performance Certificate
First Floor Flat, 11 Castle Street, HP13 6RZ
Energy rating
Current: 40 E | Potential: 60 D
Environmental impact (CO₂)
Current: 47
| Potential: 64
| Field | Value |
|---|---|
| LMK KEY | 7600-5142-0822-6427-3953 |
| ADDRESS1 | First Floor Flat |
| ADDRESS2 | 11 Castle Street |
| ADDRESS3 | — |
| POSTCODE | HP13 6RZ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | D |
| CURRENT ENERGY EFFICIENCY | 40 |
| POTENTIAL ENERGY EFFICIENCY | 60 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2025-01-24 |
| LOCAL AUTHORITY | E06000060 |
| CONSTITUENCY | E14001600 |
| COUNTY | — |
| LODGEMENT DATE | 2025-03-08 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 47 |
| ENVIRONMENT IMPACT POTENTIAL | 64 |
| ENERGY CONSUMPTION CURRENT | 395 |
| ENERGY CONSUMPTION POTENTIAL | 260 |
| CO2 EMISSIONS CURRENT | 4.2 |
| CO2 EMISS CURR PER FLOOR AREA | 67 |
| CO2 EMISSIONS POTENTIAL | 2.7 |
| LIGHTING COST CURRENT | 69 |
| LIGHTING COST POTENTIAL | 70 |
| HEATING COST CURRENT | 1585 |
| HEATING COST POTENTIAL | 920 |
| HOT WATER COST CURRENT | 282 |
| HOT WATER COST POTENTIAL | 282 |
| TOTAL FLOOR AREA | 62 |
| ENERGY TARIFF | Unknown |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | No time or thermostatic control of room temperature |
| MULTI GLAZE PROPORTION | 0 |
| GLAZED TYPE | not defined |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 2 |
| NUMBER HEATED ROOMS | 2 |
| 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 | Poor |
| FLOOR DESCRIPTION | (other premises below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Single glazed |
| WINDOWS ENERGY EFF | Very Poor |
| WINDOWS ENV EFF | Very Poor |
| WALLS DESCRIPTION | Solid brick, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Very Poor |
| WALLS ENV EFF | Very Poor |
| SECONDHEAT DESCRIPTION | Room heaters, electric |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 270 mm loft insulation |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Air source heat pump, warm air, electric |
| MAINHEAT ENERGY EFF | Poor |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | No time or thermostatic control of room temperature |
| MAINHEATC ENERGY EFF | Very Poor |
| MAINHEATC ENV EFF | Very Poor |
| LIGHTING DESCRIPTION | Low energy lighting in all fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.41 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | First Floor Flat, 11 Castle Street |
| LOCAL AUTHORITY LABEL | Buckinghamshire |
| CONSTITUENCY LABEL | Wycombe |
| POSTTOWN | High Wycombe |
| CONSTRUCTION AGE BAND | England and Wales: 1900-1929 |
| LODGEMENT DATETIME | 2025-03-08 14:26:56 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 3 |
| LOW ENERGY FIXED LIGHT COUNT | 3 |
| UPRN | 10092750554 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |