Energy Performance Certificate

13 Onslow Road, GU1 4HU

EPC Report

Energy rating

Current: 76 C | Potential: 77 C
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 76 C Current: 76 C 77 C Potential: 77 C

Environmental impact (CO₂)

Current: 94 | Potential: 94
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 94 Current: 94 94 Potential: 94
Field Value
LMK KEY 3412-8115-9002-0303-6402
ADDRESS1 13 Onslow Road
ADDRESS2
ADDRESS3
POSTCODE GU1 4HU
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING C
POTENTIAL ENERGY RATING C
CURRENT ENERGY EFFICIENCY 76
POTENTIAL ENERGY EFFICIENCY 77
PROPERTY TYPE Maisonette
BUILT FORM Detached
INSPECTION DATE 2025-07-04
LOCAL AUTHORITY E07000209
CONSTITUENCY E14001258
COUNTY
LODGEMENT DATE 2026-05-29
TRANSACTION TYPE Marketed sale
ENVIRONMENT IMPACT CURRENT 94
ENVIRONMENT IMPACT POTENTIAL 94
ENERGY CONSUMPTION CURRENT 69
ENERGY CONSUMPTION POTENTIAL 66
CO2 EMISSIONS CURRENT 0.6
CO2 EMISS CURR PER FLOOR AREA 7
CO2 EMISSIONS POTENTIAL 0.6
LIGHTING COST CURRENT 51
LIGHTING COST POTENTIAL 51
HEATING COST CURRENT 573
HEATING COST POTENTIAL 573
HOT WATER COST CURRENT 453
HOT WATER COST POTENTIAL 400
TOTAL FLOOR AREA 87
ENERGY TARIFF Single
MAINS GAS FLAG N
FLOOR LEVEL 3
FLAT TOP STOREY N
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 4
NUMBER HEATED ROOMS 4
LOW ENERGY LIGHTING 100
NUMBER OPEN FIREPLACES 0
HOTWATER DESCRIPTION From main system
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, filled cavity
WALLS ENERGY EFF Good
WALLS ENV EFF Good
SECONDHEAT DESCRIPTION Room heaters, wood logs
SHEATING ENERGY EFF N/A
SHEATING ENV EFF N/A
ROOF DESCRIPTION Pitched, 300 mm loft insulation
ROOF ENERGY EFF Very Good
ROOF ENV EFF Very Good
MAINHEAT DESCRIPTION Air source heat pump, radiators, electric
MAINHEAT ENERGY EFF Good
MAINHEAT ENV EFF Very 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 electricity (not community)
WIND TURBINE COUNT 0
HEAT LOSS CORRIDOR no corridor
UNHEATED CORRIDOR LENGTH
FLOOR HEIGHT 2.45
PHOTO SUPPLY 0
SOLAR WATER HEATING FLAG N
MECHANICAL VENTILATION natural
ADDRESS 13 Onslow Road
LOCAL AUTHORITY LABEL Guildford
CONSTITUENCY LABEL Guildford
POSTTOWN GUILDFORD
CONSTRUCTION AGE BAND England and Wales: 1950-1966
LODGEMENT DATETIME 2026-05-29 09:09:09
TENURE owner-occupied
FIXED LIGHTING OUTLETS COUNT 19
LOW ENERGY FIXED LIGHT COUNT 19
UPRN 100061398342
UPRN SOURCE Energy Assessor
REPORT TYPE 2
Source file certificates-2026.csv
COUNTRY England
REGION E12000008
Address display
Nation ew