NN8 is around the national average for energy efficiency.
Based on 19,271 Energy Performance Certificates, NN8 in North Northamptonshire has an average EPC score of 71 out of 100, placing it around the national average. To put this in context, the national average sits at 67. The most common rating band is C, with 24.4% of homes rated A or B and 68.1% in the C or D bands. Meanwhile, 1% of homes sit in the F or G bands — the least efficient categories. In practical terms, a C rating suggests reasonably efficient homes, though there is still room for improvement on heating and insulation.
Most of the housing stock here consists of houses. Around 55% of properties are owner-occupied , while 22% are privately rented and 23% are social housing. Gas central heating is the main fuel source for 93% of homes, which is typical for urban areas across England.
There is genuine room for improvement here. If every recommended upgrade were carried out, the average score could climb from 71 to 84 — a 13-point jump that would lift the typical rating to B. If you live in NN8 and want to reduce your energy bills, start with our guide to loft insulation — it is one of the most cost-effective upgrades you can make.
EPC Rating Distribution
Energy Efficiency Score
Potential score if all improvements made: 84 (rating B)
Recommended Improvements
Government funding may be available for some of these improvements. Check grants →
More data — property types, tenure & fuel
Property Types
Tenure
Main Fuel Types
Frequently asked questions
What is the average EPC rating in NN8?
Homes in NN8 have an average EPC rating of C, scoring 71 out of 100 for energy efficiency. That figure comes from 19,271 certificates issued across the district.
This is broadly in line with the national average of 67 — neither particularly efficient nor particularly wasteful.
What percentage of homes in NN8 are rated F or G?
1% of homes in NN8 fall into the F or G bands — the lowest energy efficiency ratings. Nationally, the figure is 2.9%.
This is actually better than the national picture, suggesting the housing stock in NN8 is in relatively good shape — though any home rated F or G would still benefit enormously from basic upgrades. Landlords should note that F and G rated properties cannot legally be rented out under current MEES rules.