Energy Performance Certificate
Unit 3, 115 Main Road
CM3 1NN
CHELMSFORD
Current
B
81
Potential
B
82
At a Glance
About This Property
This semi-detached house is located in CHELMSFORD, CM3 1NN. The property offers 56.8m² (611 sq ft) of modest-sized living space with 3 habitable rooms. It is a recently constructed modern home. With an EPC rating of B (81/100), 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. The walls feature cavity wall insulation with good efficiency ratings, providing solid thermal performance. The loft insulation is rated very good, meeting or exceeding the recommended 270mm depth for optimal thermal performance. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £371, comprising £245 for heating, £77 for hot water, and £49 for lighting. The property produces 1.5 tonnes of CO2 per year, which is very low for a UK home.
How Does Unit 3 Compare?
With an energy efficiency score of 81/100, this CHELMSFORD property is excellent, ranking in the top 15% nationally. Annual energy costs of £371 are approximately £1429 below the UK average of £1800, representing significant savings. With 56.8m² of space, this is a more compact property compared to the UK average of 87m². CO2 emissions of 1.5 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 CM3 postcode district.
How This Property Compares
vs UK Average
vs CHELMSFORD
vs CM3
National Ranking: With an EPC score of 81/100, this property is excellent and performs better than approximately 85% of UK homes for energy efficiency.
Top 15% nationally
Energy Costs: £321/year less than the CHELMSFORD average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 13 Nov 2009
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Property Information
Full Address
Unit 3
115 Main Road
Great Leighs
CM3 1NN
CHELMSFORD
Property Type
House
Semi-Detached
Construction Age
England and Wales: 2007 onwards
Floor Area
56.8 m²
3.0 total rooms
3.0 heated
Tenure
rental (private)
Efficiency Score
81 / 100
Potential: 82
CO₂ Emissions
1.5 tonnes/year
27 kg/m²
Energy Consumption
162 kWh/m²/year
Last Inspected
13 Nov 2009
rental (private)
About CHELMSFORD
CHELMSFORD is situated in Essex, East of England. Properties in CHELMSFORD have an average EPC rating of D (score 63/100). This property performs better than most homes in the area. Heating costs are £447 below the CHELMSFORD average, offering good value. The CM3 postcode district contains over 16500 registered properties. As a modern build, this property benefits from contemporary construction standards and improved energy efficiency requirements.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and underfloor heating, mains gas
£245.0/yr
Hot Water
£77.0/yr
Lighting
40.0% low energy
£49.0/yr
Save £18/yr
Building Elements
Walls
Cavity wall, as built, insulated (assumed)
Roof
Pitched, 300+ mm loft insulation
Windows
Fully double glazed
Floor
Suspended, insulated (assumed)
Heating System
Boiler and underfloor heating, mains gas
Main Fuel
mains gas - this is for backwards compatibility only and should not be used
Lighting
Low energy lighting in 40% of fixed outlets
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View UK Property Insights →Nearby Schools
Within 3 miles of this property
Great Leighs Primary School
PrimaryLast inspected: Jul 2023
White Court School
PrimaryLast inspected: Nov 2022
Notley Green Primary School
PrimaryLast inspected: Jan 2019
Little Waltham Church of England Voluntary Aided Primary School
PrimaryLast inspected: Jul 2023
Terling Church of England Voluntary Aided Primary School
PrimaryLast inspected: Jan 2023
Notley High School and Braintree Sixth Form
SecondaryLast inspected: Jul 2023
Ford End Church of England Primary School
PrimaryJohn Ray Infant School
PrimaryLast inspected: Nov 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: 382 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.