Energy Performance Certificate
Flat 23, 1 Great Knollys Street, RG1 7HF
Energy rating
Current: 79 C | Potential: 79 C
Environmental impact (CO₂)
Current: 81
| Potential: 81
| Field | Value |
|---|---|
| LMK KEY | 0310-3382-4580-2525-4201 |
| ADDRESS1 | Flat 23 |
| ADDRESS2 | 1 Great Knollys Street |
| ADDRESS3 | — |
| POSTCODE | RG1 7HF |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 79 |
| POTENTIAL ENERGY EFFICIENCY | 79 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-08-22 |
| LOCAL AUTHORITY | E06000038 |
| CONSTITUENCY | E14001438 |
| COUNTY | — |
| LODGEMENT DATE | 2025-08-22 |
| TRANSACTION TYPE | New dwelling |
| ENVIRONMENT IMPACT CURRENT | 81 |
| ENVIRONMENT IMPACT POTENTIAL | 81 |
| ENERGY CONSUMPTION CURRENT | 143 |
| ENERGY CONSUMPTION POTENTIAL | 143 |
| CO2 EMISSIONS CURRENT | 1.1 |
| CO2 EMISS CURR PER FLOOR AREA | 24 |
| CO2 EMISSIONS POTENTIAL | 1.1 |
| LIGHTING COST CURRENT | 57 |
| LIGHTING COST POTENTIAL | 57 |
| HEATING COST CURRENT | 265 |
| HEATING COST POTENTIAL | 265 |
| HOT WATER COST CURRENT | 370 |
| HOT WATER COST POTENTIAL | 370 |
| TOTAL FLOOR AREA | 47 |
| ENERGY TARIFF | standard tariff |
| MAINS GAS FLAG | — |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer and room thermostat |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | — |
| NUMBER HABITABLE ROOMS | — |
| NUMBER HEATED ROOMS | — |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | Electric immersion, standard tariff |
| 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 | High performance glazing |
| WINDOWS ENERGY EFF | Very Good |
| WINDOWS ENV EFF | Very Good |
| WALLS DESCRIPTION | Average thermal transmittance 0.23 W/m²K |
| WALLS ENERGY EFF | Very Good |
| WALLS ENV EFF | Very Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | (other premises above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Room heaters, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Poor |
| MAINHEATCONT DESCRIPTION | Programmer and room thermostat |
| 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: electricity, unspecified tariff |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.4 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | — |
| MECHANICAL VENTILATION | — |
| ADDRESS | Flat 23, 1 Great Knollys Street |
| LOCAL AUTHORITY LABEL | Reading |
| CONSTITUENCY LABEL | Reading Central |
| POSTTOWN | READING |
| CONSTRUCTION AGE BAND | 2022 |
| LODGEMENT DATETIME | 2025-08-22 09:18:24 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 9 |
| LOW ENERGY FIXED LIGHT COUNT | 9 |
| UPRN | 310088366 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 3 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |