Energy Performance Certificate
20b Windmill Road, Mortimer Common, RG7 3RN
Energy rating
Current: 65 D | Potential: 71 C
Environmental impact (CO₂)
Current: 58
| Potential: 62
| Field | Value |
|---|---|
| LMK KEY | 9253-3061-8204-4516-2200 |
| ADDRESS1 | 20b Windmill Road |
| ADDRESS2 | Mortimer Common |
| ADDRESS3 | — |
| POSTCODE | RG7 3RN |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 65 |
| POTENTIAL ENERGY EFFICIENCY | 71 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2026-04-15 |
| LOCAL AUTHORITY | E06000037 |
| CONSTITUENCY | E14001439 |
| COUNTY | — |
| LODGEMENT DATE | 2026-04-15 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 58 |
| ENVIRONMENT IMPACT POTENTIAL | 62 |
| ENERGY CONSUMPTION CURRENT | 175 |
| ENERGY CONSUMPTION POTENTIAL | 147 |
| CO2 EMISSIONS CURRENT | 4.1 |
| CO2 EMISS CURR PER FLOOR AREA | 43 |
| CO2 EMISSIONS POTENTIAL | 3.6 |
| LIGHTING COST CURRENT | 54 |
| LIGHTING COST POTENTIAL | 54 |
| HEATING COST CURRENT | 735 |
| HEATING COST POTENTIAL | 710 |
| HOT WATER COST CURRENT | 243 |
| HOT WATER COST POTENTIAL | 207 |
| TOTAL FLOOR AREA | 95 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | — |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 5 |
| NUMBER HEATED ROOMS | 5 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Average |
| FLOOR DESCRIPTION | Solid, limited 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 | 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, 100 mm loft insulation |
| ROOF ENERGY EFF | Average |
| ROOF ENV EFF | Average |
| MAINHEAT DESCRIPTION | Boiler and radiators, oil |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Average |
| MAINHEATCONT DESCRIPTION | Programmer, room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Excellent lighting efficiency |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | oil (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 1 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 20b Windmill Road, Mortimer Common |
| LOCAL AUTHORITY LABEL | West Berkshire |
| CONSTITUENCY LABEL | Reading West and Mid Berkshire |
| POSTTOWN | READING |
| CONSTRUCTION AGE BAND | England and Wales: 1996-2002 |
| LODGEMENT DATETIME | 2026-04-15 17:03:42 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 29 |
| LOW ENERGY FIXED LIGHT COUNT | 29 |
| UPRN | 200002427111 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |