CF7 is below average for energy efficiency — most homes here have room to improve.
Energy efficiency in CF7 (Rhondda Cynon Taf) sits at an average score of 52 out of 100, placing it below the national average. To put this in context, the national average sits at 67. The most common rating band is E, with 0.0% of homes rated A or B and 0.0% in the C or D bands. In practical terms, an E rating signals significant energy waste. In practical terms, households here could be spending £400-600 more per year on energy than they need to.
Most of the housing stock here consists of houses. , while 100% are privately rented . That high proportion of rental homes matters — landlords in CF7 must comply with the Minimum Energy Efficiency Standards (MEES), which currently require at least an EPC E rating. Properties rated F or G cannot legally be let. Gas central heating is the main fuel source for 100% 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 52 to 61 — a 9-point jump that would lift the typical rating to D. If you live in CF7 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: 61 (rating D)
Recommended Improvements
Government funding may be available for some of these improvements. Check grants →
More data — property types, tenure & fuel
Property Types
Tenure
Over 35% of homes in CF7 are privately rented — private rental properties often have lower EPC ratings.
Main Fuel Types
Frequently asked questions
What is the average EPC rating in CF7?
Homes in CF7 have an average EPC rating of E, scoring 52 out of 100 for energy efficiency. That figure comes from 1 certificates issued across the district.
That is below the national average of 67, which means there is real scope to improve energy efficiency here. An E rating suggests many homes here are losing significant amounts of heat — and money — through poor insulation or outdated heating systems.
What percentage of homes in CF7 are rated F or G?
0% of homes in CF7 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 CF7 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.