Energy Performance Certificate
27 Williamson House, 47 Pomeroy Street, SE14 5GA
Energy rating
Current: 81 B | Potential: 82 B
Environmental impact (CO₂)
Current: 86
| Potential: 87
| Field | Value |
|---|---|
| LMK KEY | 2132-3956-9200-7405-0204 |
| ADDRESS1 | 27 Williamson House |
| ADDRESS2 | 47 Pomeroy Street |
| ADDRESS3 | — |
| POSTCODE | SE14 5GA |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | B |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 81 |
| POTENTIAL ENERGY EFFICIENCY | 82 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2025-10-27 |
| LOCAL AUTHORITY | E09000023 |
| CONSTITUENCY | E14001332 |
| COUNTY | — |
| LODGEMENT DATE | 2025-10-28 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 86 |
| ENVIRONMENT IMPACT POTENTIAL | 87 |
| ENERGY CONSUMPTION CURRENT | 84 |
| ENERGY CONSUMPTION POTENTIAL | 81 |
| CO2 EMISSIONS CURRENT | 1.0 |
| CO2 EMISS CURR PER FLOOR AREA | 15 |
| CO2 EMISSIONS POTENTIAL | 1.0 |
| LIGHTING COST CURRENT | 59 |
| LIGHTING COST POTENTIAL | 59 |
| HEATING COST CURRENT | 260 |
| HEATING COST POTENTIAL | 251 |
| HOT WATER COST CURRENT | 184 |
| HOT WATER COST POTENTIAL | 184 |
| TOTAL FLOOR AREA | 67 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| 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 | Average |
| WINDOWS ENV EFF | Average |
| WALLS DESCRIPTION | Cavity wall, filled cavity |
| 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 | Boiler and radiators, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very Good |
| 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 | 2.52 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 27 Williamson House, 47 Pomeroy Street |
| LOCAL AUTHORITY LABEL | Lewisham |
| CONSTITUENCY LABEL | Lewisham North |
| POSTTOWN | LONDON |
| CONSTRUCTION AGE BAND | England and Wales: 1991-1995 |
| LODGEMENT DATETIME | 2025-10-28 07:58:15 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 6 |
| LOW ENERGY FIXED LIGHT COUNT | 6 |
| UPRN | 10094268706 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |