Energy Performance Certificate
16 Derwent Close, HP7 9PG
Energy rating
Current: 71 C | Potential: 80 C
Environmental impact (CO₂)
Current: 66
| Potential: 68
| Field | Value |
|---|---|
| LMK KEY | 0614-3050-3205-2515-2204 |
| ADDRESS1 | 16 Derwent Close |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | HP7 9PG |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 71 |
| POTENTIAL ENERGY EFFICIENCY | 80 |
| PROPERTY TYPE | Maisonette |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-05-09 |
| LOCAL AUTHORITY | E06000060 |
| CONSTITUENCY | E14001162 |
| COUNTY | — |
| LODGEMENT DATE | 2025-05-13 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 66 |
| ENVIRONMENT IMPACT POTENTIAL | 68 |
| ENERGY CONSUMPTION CURRENT | 236 |
| ENERGY CONSUMPTION POTENTIAL | 226 |
| CO2 EMISSIONS CURRENT | 2.8 |
| CO2 EMISS CURR PER FLOOR AREA | 40 |
| CO2 EMISSIONS POTENTIAL | 2.7 |
| LIGHTING COST CURRENT | 100 |
| LIGHTING COST POTENTIAL | 96 |
| HEATING COST CURRENT | 737 |
| HEATING COST POTENTIAL | 400 |
| HOT WATER COST CURRENT | 325 |
| HOT WATER COST POTENTIAL | 263 |
| TOTAL FLOOR AREA | 71 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Appliance thermostats |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing installed during or after 2002 |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 4 |
| NUMBER HEATED ROOMS | 4 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Poor |
| HOT WATER ENV EFF | Poor |
| FLOOR DESCRIPTION | (another dwelling below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Good |
| WINDOWS ENV EFF | Good |
| 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, 150 mm loft insulation |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Room heaters, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Poor |
| MAINHEATCONT DESCRIPTION | Appliance thermostats |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| 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 | 2.32 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 16 Derwent Close |
| LOCAL AUTHORITY LABEL | Buckinghamshire |
| CONSTITUENCY LABEL | Chesham and Amersham |
| POSTTOWN | AMERSHAM |
| CONSTRUCTION AGE BAND | England and Wales: 1996-2002 |
| LODGEMENT DATETIME | 2025-05-13 06:48:40 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 14 |
| LOW ENERGY FIXED LIGHT COUNT | 14 |
| UPRN | 100080499807 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |