Energy Performance Certificate

23 Thorne Close, HP1 1LY

EPC Report

Energy rating

Current: 76 C | Potential: 81 B
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 76 C Current: 76 C 81 B Potential: 81 B

Environmental impact (CO₂)

Current: 78 | Potential: 79
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 78 Current: 78 79 Potential: 79
Field Value
LMK KEY 9736-2727-3600-0249-0276
ADDRESS1 23 Thorne Close
ADDRESS2
ADDRESS3
POSTCODE HP1 1LY
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING C
POTENTIAL ENERGY RATING B
CURRENT ENERGY EFFICIENCY 76
POTENTIAL ENERGY EFFICIENCY 81
PROPERTY TYPE House
BUILT FORM Mid-Terrace
INSPECTION DATE 2026-03-31
LOCAL AUTHORITY E07000096
CONSTITUENCY E14001278
COUNTY
LODGEMENT DATE 2026-03-31
TRANSACTION TYPE Rental
ENVIRONMENT IMPACT CURRENT 78
ENVIRONMENT IMPACT POTENTIAL 79
ENERGY CONSUMPTION CURRENT 149
ENERGY CONSUMPTION POTENTIAL 132
CO2 EMISSIONS CURRENT 1.7
CO2 EMISS CURR PER FLOOR AREA 27
CO2 EMISSIONS POTENTIAL 1.6
LIGHTING COST CURRENT 62
LIGHTING COST POTENTIAL 62
HEATING COST CURRENT 458
HEATING COST POTENTIAL 458
HOT WATER COST CURRENT 204
HOT WATER COST POTENTIAL 204
TOTAL FLOOR AREA 63
ENERGY TARIFF Single
MAINS GAS FLAG Y
FLOOR LEVEL
FLAT TOP STOREY N
FLAT STOREY COUNT 2
MAIN HEATING CONTROLS Programmer and room thermostat
MULTI GLAZE PROPORTION 100
GLAZED TYPE
GLAZED AREA
EXTENSION COUNT 1
NUMBER HABITABLE ROOMS 4
NUMBER HEATED ROOMS 4
LOW ENERGY LIGHTING 78
NUMBER OPEN FIREPLACES
HOTWATER DESCRIPTION From main system
HOT WATER ENERGY EFF Good
HOT WATER ENV EFF Good
FLOOR DESCRIPTION Suspended, limited 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 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 Pitched, insulated (assumed)
ROOF ENERGY EFF Good
ROOF ENV EFF Good
MAINHEAT DESCRIPTION Boiler and radiators, mains gas
MAINHEAT ENERGY EFF Good
MAINHEAT ENV EFF Good
MAINHEATCONT DESCRIPTION Programmer and room thermostat
MAINHEATC ENERGY EFF Average
MAINHEATC ENV EFF Average
LIGHTING DESCRIPTION Below average lighting efficiency
LIGHTING ENERGY EFF Poor
LIGHTING ENV EFF Poor
MAIN FUEL mains gas (not community)
WIND TURBINE COUNT 0
HEAT LOSS CORRIDOR
UNHEATED CORRIDOR LENGTH
FLOOR HEIGHT 2.32
PHOTO SUPPLY 0
SOLAR WATER HEATING FLAG N
MECHANICAL VENTILATION natural
ADDRESS 23 Thorne Close
LOCAL AUTHORITY LABEL Dacorum
CONSTITUENCY LABEL Hemel Hempstead
POSTTOWN HEMEL HEMPSTEAD
CONSTRUCTION AGE BAND England and Wales: 1996-2002
LODGEMENT DATETIME 2026-03-31 13:40:37
TENURE rented (private)
FIXED LIGHTING OUTLETS COUNT 9
LOW ENERGY FIXED LIGHT COUNT 7
UPRN 200004053435
UPRN SOURCE Energy Assessor
REPORT TYPE 2
Source file certificates-2026.csv
COUNTRY England
REGION E12000006
Address display
Nation ew