Energy Performance Certificate
The Millbarn Cottage, Mill Lane
NN6 0NR
NORTHAMPTON
Current
F
30
Potential
B
83
This F-Rated Property Costs Significantly More to Run
This Property
£2,827
estimated per year
UK Average
£1,800
per year
After Improvements
£1,385
potential per year
This property costs approximately £1,027 more per year than the UK average. Recommended improvements could save up to £1,442 annually.
💰 Government Grants Available for This Property
🏛️ BUS Grant
£7,500
Off the cost of an air source heat pump. Available now — limited places.
Check Eligibility →🏠 ECO4 Scheme
Free
Free insulation & heating upgrades for eligible households on benefits or low income.
Check Eligibility →📉 0% VAT
Save ~20%
Zero VAT on heat pumps, insulation, and solar panels until 2027. Applies automatically.
Get Solar Quote →How to Improve This F-Rated Property
With the right upgrades, this property could reach a B rating — saving up to £1,442 per year. Improvements are ranked by return on investment.
Showing quick wins with fastest payback first
💰 Save £2,892/year
With 4 selected upgrades
Future Energy Price Simulator
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Your Savings Today
£2,892/yr
£28,920 over 10 years
Move slider to see
£2,892/yr
£28,920 over 10 years
Build Your Upgrade Plan
Sorted by best return on investment (quick wins first)
Loft Insulation
Your roof is rated Very Poor. Cheapest upgrade with fastest payback — top up to 270mm.
Air Source Heat Pump
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
Cavity Wall Insulation
Your walls are rated Very Poor. Cavity fill is quick and cost-effective.
Solar Panels + Battery
Your house is ideal for solar. OVO: UK's #1 green energy supplier.
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Why Does This Property Have a F Rating?
This detached house is located in NORTHAMPTON, NN6 0NR. The property offers 170m² (1830 sq ft) of spacious living space with 6 habitable rooms. It is a period property with Victorian or earlier origins. Currently rated F (30/100) for energy efficiency, this property would benefit significantly from energy improvements. With recommended improvements, it could achieve a B rating (83/100). Heating is provided by oil-fired central heating. While effective, oil prices can be volatile and the system produces higher carbon emissions than gas or heat pumps. The roof space has been converted to living space, with insulation between the rafters. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £2827, comprising £2435 for heating, £232 for hot water, and £160 for lighting. The property produces 14.0 tonnes of CO2 per year, which is high for a UK home.
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Achievable Rating
With recommended improvements
Based on assessment dated 19 Jan 2015
What's Causing the Poor Energy Rating?
The EPC assessor rated each element of this property. Poor and average ratings are the biggest opportunities for improvement.
🧱 Walls
Sandstone or limestone, as built, no insulation (assumed)
🏗️ Roof
Roof room(s), no insulation (assumed)
🪟 Windows
Fully double glazed
📦 Floor
Solid, no insulation (assumed)
🔥 Heating
Boiler and radiators, oil
🚿 Hot Water
NaN
💡 Lighting
8.0% low energy — Low energy lighting in 8% of fixed outlets
Property Information
Full Address
The Millbarn Cottage
Mill Lane
NN6 0NR
NORTHAMPTON
Property Type
House
Detached
Construction Age
England and Wales: before 1900
Floor Area
170.0 m²
6.0 total rooms
CO₂ Emissions
14.0 tonnes/year
84 kg/m²
Energy Consumption
319 kWh/m²/year
F-Rated Properties in NORTHAMPTON
NORTHAMPTON properties with F ratings are among the least energy efficient in the area. Properties in this postcode district (NN6) that have undergone improvement works have seen significant increases in EPC ratings and corresponding reductions in energy bills.
Location & Nearby Area
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Annual Running Costs — Current vs Potential
🔥 Heating
Boiler and radiators, oil
£2435 /yr
Save £1313/yr with improvements
🚿 Hot Water
£232 /yr
Save £52/yr with improvements
💡 Lighting
8.0% low energy
£160 /yr
Save £77/yr with improvements
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Nearby Schools
Within 3 miles of this property
Earls Barton Primary School
PrimaryLast inspected: Sept 2023
Great Doddington Primary
PrimaryLast inspected: Jan 2023
Grendon Church of England Primary School
PrimaryLast inspected: Mar 2013
Wilby Church of England Primary School
PrimaryLast inspected: Sept 2023
Ecton Village Primary School
PrimaryLast inspected: Jun 2023
Warwick Academy
PrimaryLast inspected: Jan 2023
Wollaston Primary School
PrimaryLast inspected: Sept 2021
Our Lady's Catholic Primary School
PrimaryAbout 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: 260 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 very low crime levels
Most Common Incidents
April 2026Criminal damage
2 incidents (25%)
Theft
2 incidents (25%)
violent crime
2 incidents (25%)
Anti-social behaviour
1 incidents (13%)
Burglary
1 incidents (13%)
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 NN6 0NR
Showing properties in the same postcode. Click to view detailed EPC data for each property.
More Properties in the NN6 Area
Explore nearby properties with EPC ratings in the NN6 postcode district
All properties in NN6 • Click to view detailed energy performance data
About this EPC: Energy Performance Certificates are valid for 10 years and are required when a property is built, sold, or rented.
Data Sources: UK Energy Performance Certificate Register, HM Land Registry Price Paid Data, Police.uk crime statistics.
Public sector information licensed under the Open Government Licence v3.0.