Energy Performance Certificate
39 Bolwell Close, Twyford, RG10 0LN
Energy rating
Current: 62 D | Potential: 83 B
Environmental impact (CO₂)
Current: 88
| Potential: 92
| Field | Value |
|---|---|
| LMK KEY | 2000-1634-0622-3626-3763 |
| ADDRESS1 | 39 Bolwell Close |
| ADDRESS2 | Twyford |
| ADDRESS3 | — |
| POSTCODE | RG10 0LN |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 62 |
| POTENTIAL ENERGY EFFICIENCY | 83 |
| PROPERTY TYPE | House |
| BUILT FORM | Enclosed Mid-Terrace |
| INSPECTION DATE | 2026-03-27 |
| LOCAL AUTHORITY | E06000041 |
| CONSTITUENCY | E14001593 |
| COUNTY | — |
| LODGEMENT DATE | 2026-03-30 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 88 |
| ENVIRONMENT IMPACT POTENTIAL | 92 |
| ENERGY CONSUMPTION CURRENT | 184 |
| ENERGY CONSUMPTION POTENTIAL | 131 |
| CO2 EMISSIONS CURRENT | 0.7 |
| CO2 EMISS CURR PER FLOOR AREA | 17 |
| CO2 EMISSIONS POTENTIAL | 0.5 |
| LIGHTING COST CURRENT | 38 |
| LIGHTING COST POTENTIAL | 40 |
| HEATING COST CURRENT | 806 |
| HEATING COST POTENTIAL | 393 |
| HOT WATER COST CURRENT | 371 |
| HOT WATER COST POTENTIAL | 361 |
| TOTAL FLOOR AREA | 39 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer and appliance thermostats |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 2 |
| NUMBER HEATED ROOMS | 1 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Poor |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Suspended, no insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Poor |
| WINDOWS ENV EFF | Poor |
| WALLS DESCRIPTION | Timber frame, as built, insulated (assumed) |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | Portable electric heaters (assumed) |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 100 mm loft insulation |
| ROOF ENERGY EFF | Average |
| ROOF ENV EFF | Average |
| MAINHEAT DESCRIPTION | Room heaters, electric |
| MAINHEAT ENERGY EFF | Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Programmer and appliance thermostats |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.4 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 39 Bolwell Close, Twyford |
| LOCAL AUTHORITY LABEL | Wokingham |
| CONSTITUENCY LABEL | Wokingham |
| POSTTOWN | READING |
| CONSTRUCTION AGE BAND | England and Wales: 1983-1990 |
| LODGEMENT DATETIME | 2026-03-30 10:32:55 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 14 |
| LOW ENERGY FIXED LIGHT COUNT | 14 |
| UPRN | 14041153 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |