Energy Performance Certificate
29 Arethusa House, Gunwharf Quays, PO1 3TQ
Energy rating
Current: 66 D | Potential: 70 C
Environmental impact (CO₂)
Current: 63
| Potential: 67
| Field | Value |
|---|---|
| LMK KEY | 0435-8022-7400-0360-7226 |
| ADDRESS1 | 29 Arethusa House |
| ADDRESS2 | Gunwharf Quays |
| ADDRESS3 | — |
| POSTCODE | PO1 3TQ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 66 |
| POTENTIAL ENERGY EFFICIENCY | 70 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2025-02-20 |
| LOCAL AUTHORITY | E06000044 |
| CONSTITUENCY | E14001432 |
| COUNTY | — |
| LODGEMENT DATE | 2025-02-20 |
| TRANSACTION TYPE | None of the above |
| ENVIRONMENT IMPACT CURRENT | 63 |
| ENVIRONMENT IMPACT POTENTIAL | 67 |
| ENERGY CONSUMPTION CURRENT | 202 |
| ENERGY CONSUMPTION POTENTIAL | 180 |
| CO2 EMISSIONS CURRENT | 3.3 |
| CO2 EMISS CURR PER FLOOR AREA | 34 |
| CO2 EMISSIONS POTENTIAL | 2.9 |
| LIGHTING COST CURRENT | 125 |
| LIGHTING COST POTENTIAL | 125 |
| HEATING COST CURRENT | 925 |
| HEATING COST POTENTIAL | 837 |
| HOT WATER COST CURRENT | 351 |
| HOT WATER COST POTENTIAL | 291 |
| TOTAL FLOOR AREA | 95 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 1 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing installed during or after 2002 |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 4 |
| NUMBER HEATED ROOMS | 4 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Poor |
| HOT WATER ENV EFF | Poor |
| FLOOR DESCRIPTION | Suspended, limited insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Good |
| WINDOWS ENV EFF | Good |
| WALLS DESCRIPTION | Cavity wall, 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 | Boiler and radiators, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Poor |
| 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 (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 6.5 |
| FLOOR HEIGHT | 2.55 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 29 Arethusa House, Gunwharf Quays |
| LOCAL AUTHORITY LABEL | Portsmouth |
| CONSTITUENCY LABEL | Portsmouth South |
| POSTTOWN | PORTSMOUTH |
| CONSTRUCTION AGE BAND | England and Wales: 1996-2002 |
| LODGEMENT DATETIME | 2025-02-20 21:42:21 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 14 |
| LOW ENERGY FIXED LIGHT COUNT | 14 |
| UPRN | 1775098301 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |