Energy Performance Certificate
11 Carella Way
SG1 4XX
STEVENAGE
Current
A
92
Potential
A
92
At a Glance
About This Property
This semi-detached house is located in STEVENAGE, SG1 4XX. The property offers 84m² (904 sq ft) of good-sized living space. With an EPC rating of A (92/100), this property is highly energy efficient, placing it in the top tier of UK homes. The property benefits from a highly efficient gas central heating system, likely a modern condensing boiler achieving 90%+ efficiency. Estimated annual energy costs are £492, comprising £270 for heating, £166 for hot water, and £56 for lighting. The property produces 0.8 tonnes of CO2 per year, which is very low for a UK home.
How Does 11 Carella Way Compare?
With an energy efficiency score of 92/100, this STEVENAGE property is outstanding, placing it in the top 3% of UK homes. Annual energy costs of £492 are approximately £1308 below the UK average of £1800, representing significant savings. CO2 emissions of 0.8 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 SG1 postcode district.
How This Property Compares
vs UK Average
vs STEVENAGE
vs SG1
National Ranking: With an EPC score of 92/100, this property is excellent and performs better than approximately 97% of UK homes for energy efficiency.
Top 3% nationally
Energy Costs: £132/year less than the STEVENAGE average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 15 Oct 2025
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Property Information
Full Address
11 Carella Way
SG1 4XX
STEVENAGE
Property Type
House
Semi-Detached
Construction Age
2025
Floor Area
84.0 m²
NaN total rooms
NaN 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
92 / 100
Potential: 92
CO₂ Emissions
0.8 tonnes/year
9 kg/m²
Energy Consumption
51 kWh/m²/year
Last Inspected
15 Oct 2025
new dwelling
About STEVENAGE
STEVENAGE is situated in Hertfordshire, East of England. Properties in STEVENAGE have an average EPC rating of D (score 64/100). This property performs better than most homes in the area. Heating costs are £354 below the STEVENAGE average, offering good value. The SG1 postcode district contains over 19700 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, mains gas
£270.0/yr
Hot Water
£166.0/yr
Lighting
100.0% low energy
£56.0/yr
Building Elements
Walls
Average thermal transmittance 0.21 W/m-¦K
Roof
Average thermal transmittance 0.08 W/m-¦K
Windows
High performance glazing
Floor
Average thermal transmittance 0.12 W/m-¦K
Heating System
Boiler and radiators, mains gas
Main Fuel
Gas: mains gas
Lighting
Good lighting efficiency
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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.