Energy Performance Certificate

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

EPC Report

Energy rating

Current: 65 D | Potential: 78 C
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 65 D Current: 65 D 78 C Potential: 78 C

Environmental impact (CO₂)

Current: 91 | 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 91 Current: 91 92 Potential: 92
Field Value
LMK KEY 2189-3058-3209-2576-5200
ADDRESS1 33 Harrison House
ADDRESS2 The Embankment
ADDRESS3 Nash Mills Wharf
POSTCODE HP3 9DH
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING D
POTENTIAL ENERGY RATING C
CURRENT ENERGY EFFICIENCY 65
POTENTIAL ENERGY EFFICIENCY 78
PROPERTY TYPE Flat
BUILT FORM Not Recorded
INSPECTION DATE 2026-01-28
LOCAL AUTHORITY E07000096
CONSTITUENCY E14001278
COUNTY
LODGEMENT DATE 2026-01-30
TRANSACTION TYPE Marketed sale
ENVIRONMENT IMPACT CURRENT 91
ENVIRONMENT IMPACT POTENTIAL 92
ENERGY CONSUMPTION CURRENT 123
ENERGY CONSUMPTION POTENTIAL 112
CO2 EMISSIONS CURRENT 0.6
CO2 EMISS CURR PER FLOOR AREA 12
CO2 EMISSIONS POTENTIAL 0.5
LIGHTING COST CURRENT 40
LIGHTING COST POTENTIAL 46
HEATING COST CURRENT 595
HEATING COST POTENTIAL 471
HOT WATER COST CURRENT 569
HOT WATER COST POTENTIAL 320
TOTAL FLOOR AREA 53
ENERGY TARIFF Single
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 0
NUMBER HABITABLE ROOMS 2
NUMBER HEATED ROOMS 2
LOW ENERGY LIGHTING 100
NUMBER OPEN FIREPLACES
HOTWATER DESCRIPTION Electric immersion, standard tariff
HOT WATER ENERGY EFF Very Poor
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 Very Poor
MAINHEAT ENV EFF Very Good
MAINHEATCONT DESCRIPTION Appliance thermostats
MAINHEATC ENERGY EFF Good
MAINHEATC ENV EFF Good
LIGHTING DESCRIPTION Good lighting efficiency
LIGHTING ENERGY EFF Good
LIGHTING ENV EFF Good
MAIN FUEL electricity (not community)
WIND TURBINE COUNT 0
HEAT LOSS CORRIDOR unheated corridor
UNHEATED CORRIDOR LENGTH 17.16
FLOOR HEIGHT 2.41
PHOTO SUPPLY 0
SOLAR WATER HEATING FLAG N
MECHANICAL VENTILATION mechanical ventilation with heat recovery (MVHR)
ADDRESS 33 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 2026-01-30 17:38:35
TENURE owner-occupied
FIXED LIGHTING OUTLETS COUNT 10
LOW ENERGY FIXED LIGHT COUNT 10
UPRN 10023960062
UPRN SOURCE Energy Assessor
REPORT TYPE 2
Source file certificates-2026.csv
COUNTRY England
REGION E12000006
Address display
Nation ew