Energy Performance Certificate
20 Derwent Avenue, Ash Vale, GU12 5AN
Energy rating
Current: 72 C | Potential: 75 C
Environmental impact (CO₂)
Current: 76
| Potential: 79
| Field | Value |
|---|---|
| LMK KEY | 6236-7927-7600-0111-0296 |
| ADDRESS1 | 20 Derwent Avenue |
| ADDRESS2 | Ash Vale |
| ADDRESS3 | — |
| POSTCODE | GU12 5AN |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 72 |
| POTENTIAL ENERGY EFFICIENCY | 75 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2026-03-19 |
| LOCAL AUTHORITY | E07000209 |
| CONSTITUENCY | E14001249 |
| COUNTY | — |
| LODGEMENT DATE | 2026-04-13 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 76 |
| ENVIRONMENT IMPACT POTENTIAL | 79 |
| ENERGY CONSUMPTION CURRENT | 187 |
| ENERGY CONSUMPTION POTENTIAL | 160 |
| CO2 EMISSIONS CURRENT | 1.6 |
| CO2 EMISS CURR PER FLOOR AREA | 33 |
| CO2 EMISSIONS POTENTIAL | 1.4 |
| LIGHTING COST CURRENT | 63 |
| LIGHTING COST POTENTIAL | 33 |
| HEATING COST CURRENT | 490 |
| HEATING COST POTENTIAL | 418 |
| HOT WATER COST CURRENT | 203 |
| HOT WATER COST POTENTIAL | 204 |
| TOTAL FLOOR AREA | 47 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 1 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 2 |
| NUMBER HEATED ROOMS | 2 |
| LOW ENERGY LIGHTING | 50 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | 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, filled cavity |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | (another dwelling above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Boiler and radiators, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Poor |
| LIGHTING ENV EFF | Poor |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.36 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 20 Derwent Avenue, Ash Vale |
| LOCAL AUTHORITY LABEL | Guildford |
| CONSTITUENCY LABEL | Godalming and Ash |
| POSTTOWN | ALDERSHOT |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2026-04-13 08:59:36 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 6 |
| LOW ENERGY FIXED LIGHT COUNT | 3 |
| UPRN | 100061374153 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |