Energy Performance Certificate
39 Masson House, Pump House Crescent, TW8 0HN
Energy rating
Current: 79 C | Potential: 88 B
Environmental impact (CO₂)
Current: 95
| Potential: 95
| Field | Value |
|---|---|
| LMK KEY | 1700-2883-0722-8509-3963 |
| ADDRESS1 | 39 Masson House |
| ADDRESS2 | Pump House Crescent |
| ADDRESS3 | — |
| POSTCODE | TW8 0HN |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 79 |
| POTENTIAL ENERGY EFFICIENCY | 88 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2026-01-08 |
| LOCAL AUTHORITY | E09000018 |
| CONSTITUENCY | E14001124 |
| COUNTY | — |
| LODGEMENT DATE | 2026-01-08 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 95 |
| ENVIRONMENT IMPACT POTENTIAL | 95 |
| ENERGY CONSUMPTION CURRENT | 69 |
| ENERGY CONSUMPTION POTENTIAL | 71 |
| CO2 EMISSIONS CURRENT | 0.3 |
| CO2 EMISS CURR PER FLOOR AREA | 6 |
| CO2 EMISSIONS POTENTIAL | 0.3 |
| LIGHTING COST CURRENT | 39 |
| LIGHTING COST POTENTIAL | 45 |
| HEATING COST CURRENT | 76 |
| HEATING COST POTENTIAL | 51 |
| HOT WATER COST CURRENT | 571 |
| HOT WATER COST POTENTIAL | 359 |
| TOTAL FLOOR AREA | 53 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| 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 | 2 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Electric immersion, standard tariff |
| HOT WATER ENERGY EFF | Very Poor |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | (another dwelling below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | High performance glazing |
| WINDOWS ENERGY EFF | Good |
| WINDOWS ENV EFF | Good |
| WALLS DESCRIPTION | System built, 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 | (another dwelling above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Room heaters, electric |
| MAINHEAT ENERGY EFF | Very 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 | heated corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.42 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 39 Masson House, Pump House Crescent |
| LOCAL AUTHORITY LABEL | Hounslow |
| CONSTITUENCY LABEL | Brentford and Isleworth |
| POSTTOWN | BRENTFORD |
| CONSTRUCTION AGE BAND | England and Wales: 2012-2021 |
| LODGEMENT DATETIME | 2026-01-08 13:25:43 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 12 |
| LOW ENERGY FIXED LIGHT COUNT | 12 |
| UPRN | 10091691061 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |