Energy Performance Certificate

41 Harrison House, The Embankment, Nash Mills Wharf, HP3 9DH

EPC Report

Energy rating

Current: 74 C | Potential: 80 C
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 74 C Current: 74 C 80 C Potential: 80 C

Environmental impact (CO₂)

Current: 92 | Potential: 92
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 92 Current: 92 92 Potential: 92
Field Value
LMK KEY 9085-3054-7201-4575-7204
ADDRESS1 41 Harrison House
ADDRESS2 The Embankment
ADDRESS3 Nash Mills Wharf
POSTCODE HP3 9DH
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING C
POTENTIAL ENERGY RATING C
CURRENT ENERGY EFFICIENCY 74
POTENTIAL ENERGY EFFICIENCY 80
PROPERTY TYPE Flat
BUILT FORM Not Recorded
INSPECTION DATE 2025-09-18
LOCAL AUTHORITY E07000096
CONSTITUENCY E14001278
COUNTY
LODGEMENT DATE 2025-09-18
TRANSACTION TYPE Rental
ENVIRONMENT IMPACT CURRENT 92
ENVIRONMENT IMPACT POTENTIAL 92
ENERGY CONSUMPTION CURRENT 113
ENERGY CONSUMPTION POTENTIAL 111
CO2 EMISSIONS CURRENT 0.6
CO2 EMISS CURR PER FLOOR AREA 11
CO2 EMISSIONS POTENTIAL 0.6
LIGHTING COST CURRENT 49
LIGHTING COST POTENTIAL 51
HEATING COST CURRENT 595
HEATING COST POTENTIAL 398
HOT WATER COST CURRENT 335
HOT WATER COST POTENTIAL 358
TOTAL FLOOR AREA 56
ENERGY TARIFF dual
MAINS GAS FLAG N
FLOOR LEVEL 2
FLAT TOP STOREY N
FLAT STOREY COUNT 1
MAIN HEATING CONTROLS Appliance thermostats
MULTI GLAZE PROPORTION 100
GLAZED TYPE
GLAZED AREA
EXTENSION COUNT 1
NUMBER HABITABLE ROOMS 3
NUMBER HEATED ROOMS 3
LOW ENERGY LIGHTING 100
NUMBER OPEN FIREPLACES
HOTWATER DESCRIPTION Electric immersion, off-peak
HOT WATER ENERGY EFF Average
HOT WATER ENV EFF Very 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, 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 Room heaters, electric
MAINHEAT ENERGY EFF Poor
MAINHEAT ENV EFF Very Good
MAINHEATCONT DESCRIPTION Appliance thermostats
MAINHEATC ENERGY EFF Good
MAINHEATC ENV EFF Good
LIGHTING DESCRIPTION Excellent lighting efficiency
LIGHTING ENERGY EFF Very Good
LIGHTING ENV EFF Very Good
MAIN FUEL electricity (not community)
WIND TURBINE COUNT 0
HEAT LOSS CORRIDOR no corridor
UNHEATED CORRIDOR LENGTH
FLOOR HEIGHT 2.41
PHOTO SUPPLY 0
SOLAR WATER HEATING FLAG N
MECHANICAL VENTILATION mechanical extract, centralised (MEV c)
ADDRESS 41 Harrison House, The Embankment, Nash Mills Wharf
LOCAL AUTHORITY LABEL Dacorum
CONSTITUENCY LABEL Hemel Hempstead
POSTTOWN HEMEL HEMPSTEAD
CONSTRUCTION AGE BAND England and Wales: 2012-2021
LODGEMENT DATETIME 2025-09-18 10:04:51
TENURE rented (private)
FIXED LIGHTING OUTLETS COUNT 12
LOW ENERGY FIXED LIGHT COUNT 12
UPRN 10023960070
UPRN SOURCE Energy Assessor
REPORT TYPE 2
Source file certificates-2025.csv
COUNTRY England
REGION E12000006
Address display
Nation ew