Energy Performance Certificate
Flat 6, 6 Sidmouth Avenue
TW7 4DW
ISLEWORTH
Current
D
61
Potential
D
61
At a Glance
About This Property
This semi-detached flat is located in ISLEWORTH, TW7 4DW. The property offers 16m² (172 sq ft) of compact living space with 1 habitable room. It is a characterful interwar or early 20th century home. With an EPC rating of D (61/100), this property is around the UK average for energy efficiency. The property has modern timber frame or system-built walls, which typically offer good insulation properties when properly maintained. The pitched roof lacks adequate insulation. Topping up loft insulation to 270mm (the recommended depth) typically costs £300-£500 and could save £150-£250 annually, with the investment often paying for itself within 2-3 years. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £551, comprising £372 for heating, £147 for hot water, and £32 for lighting. The property produces 1.7 tonnes of CO2 per year, which is very low for a UK home.
How Does Flat 6 Compare?
With an energy efficiency score of 61/100, this ISLEWORTH property is around the national average for UK homes. Annual energy costs of £551 are approximately £1249 below the UK average of £1800, representing significant savings. With 16m² of space, this is a more compact property compared to the UK average of 87m². CO2 emissions of 1.7 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 TW7 postcode district.
How This Property Compares
vs UK Average
vs ISLEWORTH
vs TW7
National Ranking: With an EPC score of 61/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £23/year less than the ISLEWORTH average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 6 Dec 2024
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Property Information
Full Address
Flat 6
6 Sidmouth Avenue
TW7 4DW
ISLEWORTH
Property Type
Flat
Semi-Detached
Construction Age
England and Wales: 1930-1949
Floor Area
16.0 m²
1.0 total rooms
1.0 heated
Tenure
Not defined - use in the case of a new dwelling for which the intended tenure in not known. It is not to be used for an existing dwelling
Efficiency Score
61 / 100
Potential: 61
CO₂ Emissions
1.7 tonnes/year
104 kg/m²
Energy Consumption
588 kWh/m²/year
Last Inspected
6 Dec 2024
not sale or rental
About ISLEWORTH
ISLEWORTH is situated in Middlesex, South East. Properties in ISLEWORTH have an average EPC rating of D (score 64/100). Heating costs are £202 below the ISLEWORTH average, offering good value. The TW7 postcode district contains over 12400 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the ISLEWORTH area.
Location & Nearby Area
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Annual Energy Costs
Heating
Community scheme
£372.0/yr
Hot Water
£147.0/yr
Lighting
75.0% low energy
£32.0/yr
Building Elements
Walls
Timber frame, as built, no insulation (assumed)
Roof
Pitched, no insulation (assumed)
Windows
Fully double glazed
Floor
(another dwelling below)
Heating System
Community scheme
Main Fuel
mains gas (community)
Lighting
Low energy lighting in 75% of fixed outlets
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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
Spring Grove Primary School
PrimaryLast inspected: Feb 2013
Isleworth and Syon School for Boys
SecondaryLast inspected: May 2022
Isleworth Town Primary School
PrimaryLast inspected: Feb 2023
Gumley House RC Convent School, FCJ
SecondaryLast inspected: Oct 2018
The Smallberry Green Primary School
PrimaryLast inspected: Feb 2023
St Mary's Catholic Primary School, Isleworth
PrimaryLast inspected: Jun 2022
Marlborough Primary School
PrimaryLast inspected: Apr 2019
Hounslow Town Primary School
PrimaryLast inspected: Dec 2021
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 2026violent crime
136 incidents (27%)
Anti-social behaviour
107 incidents (21%)
Shoplifting
49 incidents (10%)
Criminal damage
34 incidents (7%)
Public order
34 incidents (7%)
About this data: Crime statistics show incidents reported during April 2026 within a 1-mile radius. Data from Police.uk, updated monthly.
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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.