Energy Performance Certificate
Flat 17, Wyndham House, 24 Bryanston Square, W1H 2DS
Energy rating
Current: 58 D | Potential: 73 C
Environmental impact (CO₂)
Current: 54
| Potential: 76
| Field | Value |
|---|---|
| LMK KEY | 9831-3030-9203-0895-5200 |
| ADDRESS1 | Flat 17 |
| ADDRESS2 | Wyndham House |
| ADDRESS3 | 24 Bryanston Square |
| POSTCODE | W1H 2DS |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 58 |
| POTENTIAL ENERGY EFFICIENCY | 73 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2025-07-17 |
| LOCAL AUTHORITY | E09000033 |
| CONSTITUENCY | E14001172 |
| COUNTY | — |
| LODGEMENT DATE | 2025-07-20 |
| TRANSACTION TYPE | None of the above |
| ENVIRONMENT IMPACT CURRENT | 54 |
| ENVIRONMENT IMPACT POTENTIAL | 76 |
| ENERGY CONSUMPTION CURRENT | 399 |
| ENERGY CONSUMPTION POTENTIAL | 210 |
| CO2 EMISSIONS CURRENT | 2.3 |
| CO2 EMISS CURR PER FLOOR AREA | 73 |
| CO2 EMISSIONS POTENTIAL | 1.2 |
| LIGHTING COST CURRENT | 23 |
| LIGHTING COST POTENTIAL | 23 |
| HEATING COST CURRENT | 489 |
| HEATING COST POTENTIAL | 222 |
| HOT WATER COST CURRENT | 173 |
| HOT WATER COST POTENTIAL | 173 |
| TOTAL FLOOR AREA | 31 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Flat rate charging, TRVs |
| 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 | Community scheme |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Average |
| FLOOR DESCRIPTION | (another dwelling below) |
| 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, as built, partial insulation (assumed) |
| WALLS ENERGY EFF | Average |
| WALLS ENV EFF | Average |
| SECONDHEAT DESCRIPTION | Portable electric heaters (assumed) |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Flat, no insulation |
| ROOF ENERGY EFF | Very Poor |
| ROOF ENV EFF | Very Poor |
| MAINHEAT DESCRIPTION | Community scheme |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Average |
| MAINHEATCONT DESCRIPTION | Flat rate charging, TRVs |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Excellent lighting efficiency |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | mains gas (community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 7.31 |
| FLOOR HEIGHT | 2.47 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat 17, Wyndham House, 24 Bryanston Square |
| LOCAL AUTHORITY LABEL | Westminster |
| CONSTITUENCY LABEL | Cities of London and Westminster |
| POSTTOWN | LONDON |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2025-07-20 09:28:19 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 12 |
| LOW ENERGY FIXED LIGHT COUNT | 12 |
| UPRN | 100023462492 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |