Energy Performance Certificate
3, Onslow Close
W10 4LZ
LONDON
Current
C
77
Potential
C
79
At a Glance
About This Property
This terraced flat is located in LONDON, W10 4LZ. The property offers 100m² (1076 sq ft) of good-sized living space with 6 habitable rooms. It is built during the 1980s construction period. The property holds an EPC rating of C (77/100), meeting the government's target standard for energy efficiency. The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. Double glazing is installed, though the efficiency rating suggests older units. Modern low-E double glazing can be up to 40% more efficient than units installed before 2002. Estimated annual energy costs are £570, comprising £318 for heating, £105 for hot water, and £147 for lighting. The property produces 2.2 tonnes of CO2 per year, which is low for a UK home.
How Does 3, Onslow Close Compare?
With an energy efficiency score of 77/100, this LONDON property is above average, performing better than 60% of UK properties. Annual energy costs of £570 are approximately £1230 below the UK average of £1800, representing significant savings. The 100m² floor area is above the UK average of 87m². CO2 emissions of 2.2 tonnes/year are less than half the UK household average, making this an environmentally friendly choice.
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the W10 postcode district.
How This Property Compares
vs UK Average
vs LONDON
vs W10
National Ranking: With an EPC score of 77/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £26/year more than the LONDON average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 27 Jun 2019
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Property Information
Full Address
3, Onslow Close
W10 4LZ
LONDON
Property Type
Flat
Mid-Terrace
Construction Age
England and Wales: 1976-1982
Floor Area
100.0 m²
6.0 total rooms
6.0 heated
Tenure
rental (social)
Efficiency Score
77 / 100
Potential: 79
CO₂ Emissions
2.2 tonnes/year
22 kg/m²
Energy Consumption
127 kWh/m²/year
Last Inspected
27 Jun 2019
Stock Condition Survey
About LONDON
LONDON is situated in West London, London. Properties in LONDON have an average EPC rating of D (score 64/100). This property performs better than most homes in the area. Heating costs are £226 below the LONDON average, offering good value. The W10 postcode district contains over 13300 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, mains gas
£318.0/yr
Hot Water
£105.0/yr
Lighting
0.0% low energy
£147.0/yr
Save £74/yr
Building Elements
Walls
Cavity wall, filled cavity
Roof
(another dwelling above)
Windows
Fully double glazed
Floor
Solid, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
No low energy lighting
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📊 Compare with UK-Wide Property Data
See how this property compares to national averages. Explore energy efficiency trends, top-rated areas, and comprehensive UK property statistics.
View UK Property Insights →Nearby Schools
Within 3 miles of this property
Wilberforce Primary
PrimaryLast inspected: Mar 2018
St Luke's CofE Primary School
PrimaryLast inspected: Oct 2022
Carlton Vale Infant School
PrimaryLast inspected: Jul 2023
The Kilburn Park School Foundation
PrimaryLast inspected: Oct 2019
Queen's Park Primary School
PrimaryLast inspected: Nov 2022
Salusbury Primary School
PrimaryLast inspected: Sept 2019
Ark Brunel Primary Academy
PrimaryLast inspected: Jun 2022
St Mary's RC Primary School
PrimaryLast inspected: Dec 2019
About school ratings: Ofsted ratings range from Outstanding to Inadequate. These ratings are based on inspections of teaching quality, leadership, pupil behavior, and safety. Note that school catchment areas vary - check with the school or local council for admission details.
Data source: School information from Get Information About Schools (GIAS). Distances are approximate. Always verify school catchment areas directly with the school or local education authority.
Broadband & Connectivity
Average download speed: 500 Mbps
Download Speed
Upload Speed
Available Providers
What do these speeds mean? 10-30 Mbps: Good for browsing and streaming. 30-100 Mbps: Great for multiple users and HD streaming. 100-300 Mbps: Excellent for 4K streaming and gaming. 300+ Mbps: Perfect for large households and heavy internet use.
Data source: Broadband speeds are from Ofcom Connected Nations 2025 report (July 2025 release). Data shows typical speeds available in this postcode area. Actual speeds at this specific property may vary depending on line quality, distance from exchange, and chosen provider. Always verify availability with providers before committing.
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Area Safety
The surrounding area (1-mile radius) experiences higher crime levels
Most Common Incidents
April 2026Anti-social behaviour
370 incidents (24%)
violent crime
342 incidents (22%)
Shoplifting
206 incidents (13%)
Burglary
94 incidents (6%)
Theft
92 incidents (6%)
About this data: Crime statistics show incidents reported during April 2026 within a 1-mile radius. Data from Police.uk, updated monthly.
More Properties in W10 4LZ
Showing properties in the same postcode. Click to view detailed EPC data for each property.
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All properties in W10 • Click to view detailed energy performance data
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About this EPC: Energy Performance Certificates are valid for 10 years and are required when a property is built, sold, or rented. Learn more about EPCs or book an EPC assessment.
Cost estimates are approximate and actual savings may vary. Find local tradesmen to get accurate quotes for improvements.
Data Sources: This report contains public sector information licensed under the Open Government Licence v3.0.
Data from: UK Energy Performance Certificate Register, HM Land Registry Price Paid Data, and Police.uk crime statistics.