Energy Performance Certificate
Flat 1 The Penthouse, Grasmere Apartments, Denmark Street, IP22 4LE
Energy rating
Current: 87 B | Potential: 87 B
Environmental impact (CO₂)
Current: 88
| Potential: 88
| Field | Value |
|---|---|
| LMK KEY | 0900-0417-0432-4098-3753 |
| ADDRESS1 | Flat 1 The Penthouse |
| ADDRESS2 | Grasmere Apartments |
| ADDRESS3 | Denmark Street |
| POSTCODE | IP22 4LE |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | B |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 87 |
| POTENTIAL ENERGY EFFICIENCY | 87 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2025-03-19 |
| LOCAL AUTHORITY | E07000149 |
| CONSTITUENCY | E14001569 |
| COUNTY | — |
| LODGEMENT DATE | 2025-03-19 |
| TRANSACTION TYPE | New dwelling |
| ENVIRONMENT IMPACT CURRENT | 88 |
| ENVIRONMENT IMPACT POTENTIAL | 88 |
| ENERGY CONSUMPTION CURRENT | 68 |
| ENERGY CONSUMPTION POTENTIAL | 68 |
| CO2 EMISSIONS CURRENT | 1.4 |
| CO2 EMISS CURR PER FLOOR AREA | 12 |
| CO2 EMISSIONS POTENTIAL | 1.4 |
| LIGHTING COST CURRENT | 113 |
| LIGHTING COST POTENTIAL | 113 |
| HEATING COST CURRENT | 371 |
| HEATING COST POTENTIAL | 371 |
| HOT WATER COST CURRENT | 188 |
| HOT WATER COST POTENTIAL | 188 |
| TOTAL FLOOR AREA | 125 |
| ENERGY TARIFF | standard tariff |
| MAINS GAS FLAG | — |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | — |
| NUMBER HABITABLE ROOMS | — |
| NUMBER HEATED ROOMS | — |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | (other premises below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | High performance glazing |
| WINDOWS ENERGY EFF | Very Good |
| WINDOWS ENV EFF | Very Good |
| WALLS DESCRIPTION | Average thermal transmittance 0.21 W/m²K |
| WALLS ENERGY EFF | Very Good |
| WALLS ENV EFF | Very Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Average thermal transmittance 0.11 W/m²K |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Air source heat pump, underfloor, electric |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very Good |
| LIGHTING DESCRIPTION | Low energy lighting in all fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | Electricity: electricity, unspecified tariff |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.68 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | — |
| MECHANICAL VENTILATION | — |
| ADDRESS | Flat 1 The Penthouse, Grasmere Apartments, Denmark Street |
| LOCAL AUTHORITY LABEL | South Norfolk |
| CONSTITUENCY LABEL | Waveney Valley |
| POSTTOWN | Diss |
| CONSTRUCTION AGE BAND | 2022 |
| LODGEMENT DATETIME | 2025-03-19 11:39:47 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 46 |
| LOW ENERGY FIXED LIGHT COUNT | 46 |
| UPRN | 2630198286 |
| UPRN SOURCE | Address Matched |
| REPORT TYPE | 3 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |