Energy Performance Certificate

Apartment 5, 17 Willow Walk, CB1 1LA

EPC Report

Energy rating

Current: 43 E | Potential: 43 E
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 43 E Current: 43 E 43 E Potential: 43 E

Environmental impact (CO₂)

Current: 76 | Potential: 76
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 76 Current: 76 76 Potential: 76
Field Value
LMK KEY 7600-3313-0932-5501-3963
ADDRESS1 Apartment 5
ADDRESS2 17 Willow Walk
ADDRESS3
POSTCODE CB1 1LA
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING E
POTENTIAL ENERGY RATING E
CURRENT ENERGY EFFICIENCY 43
POTENTIAL ENERGY EFFICIENCY 43
PROPERTY TYPE Flat
BUILT FORM Detached
INSPECTION DATE 2026-01-09
LOCAL AUTHORITY E07000008
CONSTITUENCY E14001149
COUNTY
LODGEMENT DATE 2026-01-09
TRANSACTION TYPE New dwelling
ENVIRONMENT IMPACT CURRENT 76
ENVIRONMENT IMPACT POTENTIAL 76
ENERGY CONSUMPTION CURRENT 244
ENERGY CONSUMPTION POTENTIAL 244
CO2 EMISSIONS CURRENT 1.8
CO2 EMISS CURR PER FLOOR AREA 29.2
CO2 EMISSIONS POTENTIAL 1.8
LIGHTING COST CURRENT 50
LIGHTING COST POTENTIAL 50
HEATING COST CURRENT 1309
HEATING COST POTENTIAL 1309
HOT WATER COST CURRENT 230
HOT WATER COST POTENTIAL 230
TOTAL FLOOR AREA 63
ENERGY TARIFF off-peak 7 hour
MAINS GAS FLAG
FLOOR LEVEL 1
FLAT TOP STOREY N
FLAT STOREY COUNT 1
MAIN HEATING CONTROLS Controls for high heat retention storage heaters
MULTI GLAZE PROPORTION 69
GLAZED TYPE
GLAZED AREA
EXTENSION COUNT
NUMBER HABITABLE ROOMS
NUMBER HEATED ROOMS
LOW ENERGY LIGHTING 100
NUMBER OPEN FIREPLACES 0
HOTWATER DESCRIPTION Community scheme
HOT WATER ENERGY EFF Average
HOT WATER ENV EFF Average
FLOOR DESCRIPTION Average thermal transmittance 0.16 W/m²K
FLOOR ENERGY EFF Very Good
FLOOR ENV EFF Very Good
WINDOWS DESCRIPTION Partial double glazing
WINDOWS ENERGY EFF Very Poor
WINDOWS ENV EFF Very Poor
WALLS DESCRIPTION Average thermal transmittance 1.34 W/m²K
WALLS ENERGY EFF Poor
WALLS ENV EFF Poor
SECONDHEAT DESCRIPTION Room heaters, electric
SHEATING ENERGY EFF N/A
SHEATING ENV EFF N/A
ROOF DESCRIPTION Average thermal transmittance 0.45 W/m²K
ROOF ENERGY EFF Average
ROOF ENV EFF Average
MAINHEAT DESCRIPTION Electric storage heaters
MAINHEAT ENERGY EFF Average
MAINHEAT ENV EFF Very Good
MAINHEATCONT DESCRIPTION Controls for high heat retention storage heaters
MAINHEATC ENERGY EFF Good
MAINHEATC ENV EFF Good
LIGHTING DESCRIPTION Good lighting efficiency
LIGHTING ENERGY EFF Good
LIGHTING ENV EFF Good
MAIN FUEL Electricity: electricity, unspecified tariff
WIND TURBINE COUNT
HEAT LOSS CORRIDOR
UNHEATED CORRIDOR LENGTH
FLOOR HEIGHT 2.36
PHOTO SUPPLY
SOLAR WATER HEATING FLAG
MECHANICAL VENTILATION
ADDRESS Apartment 5, 17 Willow Walk
LOCAL AUTHORITY LABEL Cambridge
CONSTITUENCY LABEL Cambridge
POSTTOWN CAMBRIDGE
CONSTRUCTION AGE BAND 2025
LODGEMENT DATETIME 2026-01-09 11:38:28
TENURE unknown
FIXED LIGHTING OUTLETS COUNT 17
LOW ENERGY FIXED LIGHT COUNT 17
UPRN 10097295352
UPRN SOURCE Energy Assessor
REPORT TYPE 3
Source file certificates-2026.csv
COUNTRY England
REGION E12000006
Address display
Nation ew