Energy Performance Certificate

39, Viola Avenue, TW19 7SA

EPC Report

Energy rating

Current: 61 D | Potential: 75 C
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 61 D Current: 61 D 75 C Potential: 75 C

Environmental impact (CO₂)

Current: 58 | Potential: 70
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 58 Current: 58 70 Potential: 70
Field Value
LMK KEY 2019-3317-9814-9318-3871
ADDRESS1 39
ADDRESS2 Viola Avenue
ADDRESS3
POSTCODE TW19 7SA
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING D
POTENTIAL ENERGY RATING C
CURRENT ENERGY EFFICIENCY 61
POTENTIAL ENERGY EFFICIENCY 75
PROPERTY TYPE House
BUILT FORM Semi-Detached
INSPECTION DATE 2025-08-30
LOCAL AUTHORITY E07000213
CONSTITUENCY E14001505
COUNTY
LODGEMENT DATE 2026-02-25
TRANSACTION TYPE Stock condition survey
ENVIRONMENT IMPACT CURRENT 58
ENVIRONMENT IMPACT POTENTIAL 70
ENERGY CONSUMPTION CURRENT 232
ENERGY CONSUMPTION POTENTIAL 151
CO2 EMISSIONS CURRENT 3.5
CO2 EMISS CURR PER FLOOR AREA 42
CO2 EMISSIONS POTENTIAL 2.4
LIGHTING COST CURRENT 104
LIGHTING COST POTENTIAL 63
HEATING COST CURRENT 1013
HEATING COST POTENTIAL 703
HOT WATER COST CURRENT 213
HOT WATER COST POTENTIAL 214
TOTAL FLOOR AREA 84
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 50
NUMBER OPEN FIREPLACES 0
HOTWATER DESCRIPTION From main system
HOT WATER ENERGY EFF Good
HOT WATER ENV EFF Good
FLOOR DESCRIPTION Suspended, no insulation (assumed)
FLOOR ENERGY EFF N/A
FLOOR ENV EFF N/A
WINDOWS DESCRIPTION High performance glazing
WINDOWS ENERGY EFF Good
WINDOWS ENV EFF Good
WALLS DESCRIPTION Cavity wall, as built, no insulation (assumed)
WALLS ENERGY EFF Poor
WALLS ENV EFF Poor
SECONDHEAT DESCRIPTION None
SHEATING ENERGY EFF N/A
SHEATING ENV EFF N/A
ROOF DESCRIPTION Pitched, insulated (assumed)
ROOF ENERGY EFF Average
ROOF ENV EFF Average
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 2.4
PHOTO SUPPLY 0
SOLAR WATER HEATING FLAG N
MECHANICAL VENTILATION natural
ADDRESS 39, Viola Avenue
LOCAL AUTHORITY LABEL Spelthorne
CONSTITUENCY LABEL Spelthorne
POSTTOWN Staines-Upon-Thames
CONSTRUCTION AGE BAND England and Wales: 1930-1949
LODGEMENT DATETIME 2026-02-25 14:34:43
TENURE rented (private)
FIXED LIGHTING OUTLETS COUNT 28
LOW ENERGY FIXED LIGHT COUNT 14
UPRN 33018508
UPRN SOURCE Energy Assessor
REPORT TYPE 2
Source file certificates-2026.csv
COUNTRY England
REGION E12000008
Address display
Nation ew