Energy Performance Certificate
5, Chiltern Avenue
NN5 6AP
NORTHAMPTON
Current
C
69
Potential
B
83
At a Glance
About This Property
This semi-detached house is located in NORTHAMPTON, NN5 6AP. The property offers 89m² (958 sq ft) of good-sized living space with 4 habitable rooms. It is a post-war property from the mid-20th century. The property holds an EPC rating of C (69/100), meeting the government's target standard for energy efficiency. With recommended improvements, it could achieve a B rating (83/100). The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. The property has good loft insulation, though topping up to the recommended 270mm depth could provide additional energy savings. 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 £779, comprising £541 for heating, £142 for hot water, and £96 for lighting. The property produces 3.3 tonnes of CO2 per year, which is low for a UK home. The property last sold in March 2017 for £200,000.
How Does 5, Chiltern Avenue Compare?
With an energy efficiency score of 69/100, this NORTHAMPTON property is above average, performing better than 60% of UK properties. Annual energy costs of £779 are approximately £1021 below the UK average of £1800, representing significant savings. The 89m² floor area is above the UK average of 87m². At 3.3 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 NN5 postcode district.
How This Property Compares
vs UK Average
vs NORTHAMPTON
vs NN5
National Ranking: With an EPC score of 69/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £67/year more than the NORTHAMPTON average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
With recommended improvements
Based on assessment dated 16 Jan 2017
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Property Information
Full Address
5, Chiltern Avenue
NN5 6AP
NORTHAMPTON
Property Type
House
Semi-Detached
Construction Age
England and Wales: 1950-1966
Floor Area
89.0 m²
4.0 total rooms
4.0 heated
Tenure
owner-occupied
Efficiency Score
69 / 100
Potential: 83
CO₂ Emissions
3.3 tonnes/year
37 kg/m²
Energy Consumption
212 kWh/m²/year
Last Inspected
16 Jan 2017
marketed sale
About NORTHAMPTON
NORTHAMPTON is situated in Northamptonshire, East Midlands. Properties in NORTHAMPTON have an average EPC rating of D (score 63/100). The NN5 postcode district contains over 16200 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the NORTHAMPTON area.
Location & Nearby Area
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Property Sale History
£200,000
10 March 2017
Type: Semi-Detached
Annual Energy Costs
Heating
Boiler and radiators, mains gas
£541/yr
Save £32/yr
Hot Water
£142/yr
Save £58/yr
Lighting
36.0% low energy
£96/yr
Save £37/yr
Building Elements
Walls
Cavity wall, filled cavity
Roof
Pitched, 270 mm loft insulation
Windows
Fully double glazed
Floor
Suspended, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
Low energy lighting in 36% of fixed outlets
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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
Chiltern Primary School
PrimaryLast inspected: Jan 2020
Lyncrest Primary School
PrimaryLast inspected: Jul 2022
Hopping Hill Primary School
PrimaryLast inspected: Mar 2019
St Mary's Catholic Primary School
PrimaryLast inspected: Nov 2021
Millway Primary School
PrimaryLast inspected: Mar 2018
St James Church of England Primary School
PrimaryLast inspected: Oct 2021
Kings Heath Primary Academy
PrimaryLast inspected: Apr 2023
Earl Spencer Primary School
PrimaryLast inspected: Mar 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: 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.