Energy Performance Certificate
Third Floor Flat, 39 Mayflower Road, Clapham, SW9 9JY
Energy rating
Current: 62 D | Potential: 78 C
Environmental impact (CO₂)
Current: 59
| Potential: 80
| Field | Value |
|---|---|
| LMK KEY | 0096-3011-4204-8686-3200 |
| ADDRESS1 | Third Floor Flat |
| ADDRESS2 | 39 Mayflower Road |
| ADDRESS3 | Clapham |
| POSTCODE | SW9 9JY |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 62 |
| POTENTIAL ENERGY EFFICIENCY | 78 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2026-04-01 |
| LOCAL AUTHORITY | E09000022 |
| CONSTITUENCY | E14001175 |
| COUNTY | — |
| LODGEMENT DATE | 2026-04-02 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 59 |
| ENVIRONMENT IMPACT POTENTIAL | 80 |
| ENERGY CONSUMPTION CURRENT | 223 |
| ENERGY CONSUMPTION POTENTIAL | 109 |
| CO2 EMISSIONS CURRENT | 3.2 |
| CO2 EMISS CURR PER FLOOR AREA | 41 |
| CO2 EMISSIONS POTENTIAL | 1.5 |
| LIGHTING COST CURRENT | 63 |
| LIGHTING COST POTENTIAL | 63 |
| HEATING COST CURRENT | 1072 |
| HEATING COST POTENTIAL | 499 |
| HOT WATER COST CURRENT | 181 |
| HOT WATER COST POTENTIAL | 182 |
| TOTAL FLOOR AREA | 78 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer, TRVs and bypass |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 4 |
| NUMBER HEATED ROOMS | 4 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | (another dwelling below) |
| 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 | Solid brick, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Very Poor |
| WALLS ENV EFF | Very Poor |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, no insulation |
| ROOF ENERGY EFF | Very Poor |
| ROOF ENV EFF | Very Poor |
| MAINHEAT DESCRIPTION | Boiler and radiators, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Programmer, TRVs and bypass |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.41 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Third Floor Flat, 39 Mayflower Road, Clapham |
| LOCAL AUTHORITY LABEL | Lambeth |
| CONSTITUENCY LABEL | Clapham and Brixton Hill |
| POSTTOWN | London |
| CONSTRUCTION AGE BAND | England and Wales: before 1900 |
| LODGEMENT DATETIME | 2026-04-02 07:21:00 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 15 |
| LOW ENERGY FIXED LIGHT COUNT | 15 |
| UPRN | — |
| UPRN SOURCE | — |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |