Energy Performance Certificate
1 Leonardstone House Mews, Leonardston Road, Llanstadwell, SA73 1EP
Energy rating
Current: 88 B | Potential: 97 A
Environmental impact (CO₂)
Current: 87
| Potential: 92
| Field | Value |
|---|---|
| LMK KEY | 0300-2355-6590-2326-5871 |
| ADDRESS1 | 1 Leonardstone House Mews |
| ADDRESS2 | Leonardston Road |
| ADDRESS3 | Llanstadwell |
| POSTCODE | SA73 1EP |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | B |
| POTENTIAL ENERGY RATING | A |
| CURRENT ENERGY EFFICIENCY | 88 |
| POTENTIAL ENERGY EFFICIENCY | 97 |
| PROPERTY TYPE | House |
| BUILT FORM | End-Terrace |
| INSPECTION DATE | 2026-01-25 |
| LOCAL AUTHORITY | W06000009 |
| CONSTITUENCY | W07000100 |
| COUNTY | — |
| LODGEMENT DATE | 2026-01-26 |
| TRANSACTION TYPE | None of the above |
| ENVIRONMENT IMPACT CURRENT | 87 |
| ENVIRONMENT IMPACT POTENTIAL | 92 |
| ENERGY CONSUMPTION CURRENT | 175 |
| ENERGY CONSUMPTION POTENTIAL | 127 |
| CO2 EMISSIONS CURRENT | 1.1 |
| CO2 EMISS CURR PER FLOOR AREA | 12 |
| CO2 EMISSIONS POTENTIAL | 0.7 |
| LIGHTING COST CURRENT | 106 |
| LIGHTING COST POTENTIAL | 106 |
| HEATING COST CURRENT | 2186 |
| HEATING COST POTENTIAL | 1666 |
| HOT WATER COST CURRENT | 604 |
| HOT WATER COST POTENTIAL | 547 |
| TOTAL FLOOR AREA | 99 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Controls for high heat retention storage heaters |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 4 |
| NUMBER HEATED ROOMS | 4 |
| LOW ENERGY LIGHTING | 86 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Solid, no insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Poor |
| WINDOWS ENV EFF | Poor |
| WALLS DESCRIPTION | Granite or whin, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Very Poor |
| WALLS ENV EFF | Very Poor |
| SECONDHEAT DESCRIPTION | Room heaters, electric |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 300 mm loft insulation |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Electric storage heaters, Electric storage heaters |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Controls for high heat retention storage heaters |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Average |
| LIGHTING ENV EFF | Average |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.28 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | mechanical extract, decentralised (MEV dc) |
| ADDRESS | 1 Leonardstone House Mews, Leonardston Road, Llanstadwell |
| LOCAL AUTHORITY LABEL | Pembrokeshire |
| CONSTITUENCY LABEL | Mid and South Pembrokeshire |
| POSTTOWN | MILFORD HAVEN |
| CONSTRUCTION AGE BAND | England and Wales: before 1900 |
| LODGEMENT DATETIME | 2026-01-26 13:54:48 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 7 |
| LOW ENERGY FIXED LIGHT COUNT | 6 |
| UPRN | 200002961353 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |