Energy Performance Certificate
137, Wentworth Avenue
SL2 2DT
SLOUGH
Current
C
76
Potential
C
76
At a Glance
About This Property
This flat is located in SLOUGH, SL2 2DT. The property offers 73.92m² (796 sq ft) of modest-sized living space with 7 habitable rooms. It is a post-war property from the mid-20th century. The property holds an EPC rating of C (76/100), meeting the government's target standard for energy efficiency. The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. The solid walls lack insulation. Solid wall insulation (external or internal) typically costs £8,000-£14,000 but can reduce heat loss by up to 35% and improve your EPC rating by 1-2 bands. Single glazing is a significant source of heat loss, accounting for up to 25% of a home's heat escaping through windows. Upgrading to double glazing typically costs £400-£600 per window but improves thermal comfort and can reduce noise by up to 30dB. Estimated annual energy costs are £472, comprising £342 for heating, £90 for hot water, and £40 for lighting. The property produces 2.4 tonnes of CO2 per year, which is low for a UK home.
How Does 137, Wentworth Avenue Compare?
With an energy efficiency score of 76/100, this SLOUGH property is above average, performing better than 60% of UK properties. Annual energy costs of £472 are approximately £1328 below the UK average of £1800, representing significant savings. At 2.4 tonnes of CO2 per year, emissions are below the UK average of 4.5 tonnes.
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the SL2 postcode district.
How This Property Compares
vs UK Average
vs SLOUGH
vs SL2
National Ranking: With an EPC score of 76/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £135/year less than the SLOUGH average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 12 Mar 2009
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Property Information
Full Address
137, Wentworth Avenue
SL2 2DT
SLOUGH
Property Type
Flat
NO DATA!
Construction Age
England and Wales: 1950-1966
Floor Area
73.92 m²
7.0 total rooms
7.0 heated
Tenure
rental (social)
Efficiency Score
76 / 100
Potential: 76
CO₂ Emissions
2.4 tonnes/year
32 kg/m²
Energy Consumption
193 kWh/m²/year
Last Inspected
12 Mar 2009
rental (social)
About SLOUGH
SLOUGH is situated in Berkshire, South East. Properties in SLOUGH have an average EPC rating of D (score 63/100). This property performs better than most homes in the area. Heating costs are £265 below the SLOUGH average, offering good value. The SL2 postcode district contains over 16100 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the SLOUGH area.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, mains gas
£342.0/yr
Hot Water
£90.0/yr
Lighting
100.0% low energy
£40.0/yr
Building Elements
Walls
Solid brick, as built, no insulation (assumed)
Roof
(another dwelling above)
Windows
Single glazed
Floor
(other premises below)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas - this is for backwards compatibility only and should not be used
Lighting
Low energy lighting in all 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 →Broadband & Connectivity
Average download speed: 69 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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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.