Energy Performance Certificate
20 Churchfield Avenue, Sawston, CB22 3LA
Energy rating
Current: 35 F | Potential: 78 C
Environmental impact (CO₂)
Current: 82
| Potential: 78
| Field | Value |
|---|---|
| LMK KEY | 5500-4116-0022-6524-3153 |
| ADDRESS1 | 20 Churchfield Avenue |
| ADDRESS2 | Sawston |
| ADDRESS3 | — |
| POSTCODE | CB22 3LA |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | F |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 35 |
| POTENTIAL ENERGY EFFICIENCY | 78 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2025-09-29 |
| LOCAL AUTHORITY | E07000012 |
| CONSTITUENCY | E14001481 |
| COUNTY | — |
| LODGEMENT DATE | 2025-09-29 |
| TRANSACTION TYPE | Grant scheme |
| ENVIRONMENT IMPACT CURRENT | 82 |
| ENVIRONMENT IMPACT POTENTIAL | 78 |
| ENERGY CONSUMPTION CURRENT | 190 |
| ENERGY CONSUMPTION POTENTIAL | 121 |
| CO2 EMISSIONS CURRENT | 1.8 |
| CO2 EMISS CURR PER FLOOR AREA | 19 |
| CO2 EMISSIONS POTENTIAL | 2.2 |
| LIGHTING COST CURRENT | 82 |
| LIGHTING COST POTENTIAL | 82 |
| HEATING COST CURRENT | 2853 |
| HEATING COST POTENTIAL | 719 |
| HOT WATER COST CURRENT | 793 |
| HOT WATER COST POTENTIAL | 311 |
| TOTAL FLOOR AREA | 100 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | None |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 4 |
| NUMBER HEATED ROOMS | 0 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | No system present: electric immersion assumed |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Very 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 | Portable electric heaters (assumed) |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 300 mm loft insulation |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | No system present: electric heaters assumed |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | None |
| MAINHEATC ENERGY EFF | Very Poor |
| MAINHEATC ENV EFF | Very Poor |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | To be used only when there is no heating/hot-water system or data is from a community network |
| 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 | 20 Churchfield Avenue, Sawston |
| LOCAL AUTHORITY LABEL | South Cambridgeshire |
| CONSTITUENCY LABEL | South Cambridgeshire |
| POSTTOWN | CAMBRIDGE |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2025-09-29 14:34:42 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 26 |
| LOW ENERGY FIXED LIGHT COUNT | 26 |
| UPRN | 100090136546 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |