Energy Performance Certificate

P2 The Light Box, Duke Street, NN1 3BA

EPC Report

Energy rating

Current: 79 C | Potential: 79 C
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 79 C Current: 79 C 79 C Potential: 79 C

Environmental impact (CO₂)

Current: 82 | Potential: 82
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 82 Current: 82 82 Potential: 82
Field Value
LMK KEY 0350-2975-7660-2596-3345
ADDRESS1 P2 The Light Box
ADDRESS2 Duke Street
ADDRESS3
POSTCODE NN1 3BA
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING C
POTENTIAL ENERGY RATING C
CURRENT ENERGY EFFICIENCY 79
POTENTIAL ENERGY EFFICIENCY 79
PROPERTY TYPE Maisonette
BUILT FORM Not Recorded
INSPECTION DATE 2026-06-15
LOCAL AUTHORITY E06000062
CONSTITUENCY E14001406
COUNTY
LODGEMENT DATE 2026-06-16
TRANSACTION TYPE Marketed sale
ENVIRONMENT IMPACT CURRENT 82
ENVIRONMENT IMPACT POTENTIAL 82
ENERGY CONSUMPTION CURRENT 108
ENERGY CONSUMPTION POTENTIAL 108
CO2 EMISSIONS CURRENT 2.1
CO2 EMISS CURR PER FLOOR AREA 18
CO2 EMISSIONS POTENTIAL 2.1
LIGHTING COST CURRENT 60
LIGHTING COST POTENTIAL 60
HEATING COST CURRENT 745
HEATING COST POTENTIAL 745
HOT WATER COST CURRENT 198
HOT WATER COST POTENTIAL 198
TOTAL FLOOR AREA 112
ENERGY TARIFF Unknown
MAINS GAS FLAG Y
FLOOR LEVEL 3
FLAT TOP STOREY Y
FLAT STOREY COUNT 1
MAIN HEATING CONTROLS Programmer, room thermostat and TRVs
MULTI GLAZE PROPORTION 100
GLAZED TYPE
GLAZED AREA
EXTENSION COUNT 0
NUMBER HABITABLE ROOMS 3
NUMBER HEATED ROOMS 3
LOW ENERGY LIGHTING 100
NUMBER OPEN FIREPLACES
HOTWATER DESCRIPTION From main system
HOT WATER ENERGY EFF Good
HOT WATER ENV EFF Good
FLOOR DESCRIPTION (another dwelling below)
FLOOR ENERGY EFF N/A
FLOOR ENV EFF N/A
WINDOWS DESCRIPTION Multiple glazing throughout
WINDOWS ENERGY EFF Average
WINDOWS ENV EFF Average
WALLS DESCRIPTION Timber frame, as built, insulated (assumed)
WALLS ENERGY EFF Good
WALLS ENV EFF Good
SECONDHEAT DESCRIPTION Room heaters, dual fuel (mineral and wood)
SHEATING ENERGY EFF N/A
SHEATING ENV EFF N/A
ROOF DESCRIPTION Pitched, insulated
ROOF ENERGY EFF Good
ROOF ENV EFF Good
MAINHEAT DESCRIPTION Boiler and radiators, mains gas, Boiler and underfloor heating, mains gas
MAINHEAT ENERGY EFF Good
MAINHEAT ENV EFF Good
MAINHEATCONT DESCRIPTION Programmer, room thermostat and TRVs
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 mains gas (not community)
WIND TURBINE COUNT 0
HEAT LOSS CORRIDOR no corridor
UNHEATED CORRIDOR LENGTH
FLOOR HEIGHT 2.4
PHOTO SUPPLY 0
SOLAR WATER HEATING FLAG N
MECHANICAL VENTILATION natural
ADDRESS P2 The Light Box, Duke Street
LOCAL AUTHORITY LABEL West Northamptonshire
CONSTITUENCY LABEL Northampton North
POSTTOWN NORTHAMPTON
CONSTRUCTION AGE BAND England and Wales: 2003-2006
LODGEMENT DATETIME 2026-06-16 12:24:28
TENURE owner-occupied
FIXED LIGHTING OUTLETS COUNT 36
LOW ENERGY FIXED LIGHT COUNT 36
UPRN 15107023
UPRN SOURCE Energy Assessor
REPORT TYPE 2
Source file certificates-2026.csv
COUNTRY England
REGION E12000004
Address display
Nation ew