Energy Performance Certificate
126, Upper Harlestone
NN7 4EL
NORTHAMPTON
Current
D
58
Potential
D
65
At a Glance
About This Property
This detached house is located in NORTHAMPTON, NN7 4EL. The property offers 408m² (4392 sq ft) of generously-sized living space with 12 habitable rooms. It is a period property with Victorian or earlier origins. With an EPC rating of D (58/100), this property is around the UK average for energy efficiency. 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. Double glazing is installed, though the efficiency rating suggests older units. Modern low-E double glazing can be up to 40% more efficient than units installed before 2002. Estimated annual energy costs are £3252, comprising £2854 for heating, £216 for hot water, and £182 for lighting. The property produces 17.0 tonnes of CO2 per year, which is high for a UK home.
How Does 126 Compare?
With an energy efficiency score of 58/100, this NORTHAMPTON property is around the national average for UK homes. Energy costs of £3252 annually are £1452 above the UK average. Improvements could reduce bills significantly. At 408m², this property is significantly larger than the average UK home (87m²). CO2 emissions of 17.0 tonnes/year are above average. Energy improvements could significantly reduce the property's carbon footprint.
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the NN7 postcode district.
How This Property Compares
vs UK Average
vs NORTHAMPTON
vs NN7
National Ranking: With an EPC score of 58/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £2540/year more than the NORTHAMPTON average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 8 Oct 2015
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Property Information
Full Address
126
Upper Harlestone
NN7 4EL
NORTHAMPTON
Property Type
House
Detached
Construction Age
England and Wales: before 1900
Floor Area
408.0 m²
12.0 total rooms
12.0 heated
Tenure
owner-occupied
Efficiency Score
58 / 100
Potential: 65
CO₂ Emissions
17.0 tonnes/year
42 kg/m²
Energy Consumption
165 kWh/m²/year
Last Inspected
8 Oct 2015
marketed sale
About NORTHAMPTON
NORTHAMPTON is situated in Northamptonshire, East Midlands. Properties in NORTHAMPTON have an average EPC rating of D (score 63/100). Heating costs are £2142 above the local average, suggesting room for improvement. The NN7 postcode district contains over 9200 registered properties. Like many NORTHAMPTON properties, this home features period architecture with character typical of Victorian-era construction.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, oil
£2854.0/yr
Save £511/yr
Hot Water
£216.0/yr
Save £37/yr
Lighting
81.0% low energy
£182.0/yr
Building Elements
Walls
Sandstone or limestone, as built, no insulation (assumed)
Roof
Thatched
Windows
Fully double glazed
Floor
Solid, no insulation (assumed)
Heating System
Boiler and radiators, oil
Main Fuel
oil (not community)
Lighting
Low energy lighting in 81% of fixed outlets
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Air Source Heat Pump
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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
Harlestone Primary School
PrimaryLast inspected: Feb 2023
Duston Eldean Primary School
PrimaryLast inspected: Jun 2019
The Duston School
All-throughLast inspected: Jun 2021
Harpole Primary School
PrimaryLast inspected: Jan 2019
Brington Primary School
PrimaryLast inspected: Sept 2023
Hopping Hill Primary School
PrimaryLast inspected: Mar 2019
St Luke's Church of England Primary School
PrimaryLast inspected: Sept 2019
The Bramptons Primary School
PrimaryLast inspected: Jan 2023
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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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.