Energy Performance Certificate
Penthouse 3 Northampton House, Wellington Street
NN1 3ND
NORTHAMPTON
Current
C
73
Potential
C
78
At a Glance
About This Property
This terraced flat is located in NORTHAMPTON, NN1 3ND. The property offers 29m² (312 sq ft) of compact living space with 2 habitable rooms. It is a 1990s-era home. The property holds an EPC rating of C (73/100), meeting the government's target standard for energy efficiency. This property benefits from a air source heat pump system, which can deliver 3-4 units of heat for every unit of electricity used. Heat pumps are eligible for the £7,500 Boiler Upgrade Scheme grant, making them increasingly popular for UK homes seeking to reduce carbon emissions. The walls feature cavity wall insulation with good efficiency ratings, providing solid thermal performance. 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 £417, comprising £173 for heating, £203 for hot water, and £41 for lighting. The property produces 1.7 tonnes of CO2 per year, which is very low for a UK home.
How Does Penthouse 3 Northampton House Compare?
With an energy efficiency score of 73/100, this NORTHAMPTON property is above average, performing better than 60% of UK properties. Annual energy costs of £417 are approximately £1383 below the UK average of £1800, representing significant savings. With 29m² of space, this is a more compact property compared to the UK average of 87m². CO2 emissions of 1.7 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 NN1 postcode district.
How This Property Compares
vs UK Average
vs NORTHAMPTON
vs NN1
National Ranking: With an EPC score of 73/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £295/year less than the NORTHAMPTON average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 12 Mar 2019
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Property Information
Full Address
Penthouse 3 Northampton House
Wellington Street
NN1 3ND
NORTHAMPTON
Property Type
Flat
Mid-Terrace
Construction Age
England and Wales: 1996-2002
Floor Area
29.0 m²
2.0 total rooms
2.0 heated
Tenure
rental (private)
Efficiency Score
73 / 100
Potential: 78
CO₂ Emissions
1.7 tonnes/year
59 kg/m²
Energy Consumption
348 kWh/m²/year
Last Inspected
12 Mar 2019
rental (private)
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 £539 below the NORTHAMPTON average, offering good value. The NN1 postcode district contains over 15200 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Air source heat pump, warm air, electric
£173.0/yr
Save £5/yr
Hot Water
£203.0/yr
Save £54/yr
Lighting
50.0% low energy
£41.0/yr
Save £14/yr
Building Elements
Walls
Cavity wall, as built, insulated (assumed)
Roof
Flat, insulated (assumed)
Windows
Fully double glazed
Floor
(another dwelling below)
Heating System
Air source heat pump, warm air, electric
Main Fuel
electricity (not community)
Lighting
Low energy lighting in 50% of fixed outlets
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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
Castle Academy
PrimaryLast inspected: Jan 2022
Spring Lane Primary School
PrimaryLast inspected: Nov 2022
Northampton International Academy
All-throughLast inspected: Feb 2022
Vernon Terrace Primary School
PrimaryLast inspected: Dec 2022
Stimpson Avenue Academy
PrimaryLast inspected: Jul 2023
Barry Primary School
PrimaryLast inspected: May 2023
St James Church of England Primary School
PrimaryLast inspected: Oct 2021
Malcolm Arnold Academy
SecondaryLast inspected: May 2018
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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More Properties in the NN1 Area
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Related Property Guides
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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.