What is the fastest EPC improvement to make right now?
For most homes, topping up loft insulation and improving heating controls tend to offer [...]
Is the price cap the same as my actual bill?
No. The price cap sets the maximum unit rate and standing charge a supplier can charge on a standard variable tariff.
How old can my EPC be before it stops being useful?
An EPC remains legally valid for 10 years.
Does a better EPC rating actually lower my energy bill?
A better EPC rating means the modelled cost of heating and lighting the home is lower, which generally does translate into lower bills.
Why did gas prices rise more than electricity in July 2026?
Ofgem's July 2026 price cap update reflected higher wholesale gas costs.
What is an EPC?
An EPC assesses property energy efficiency and is legally required for sales or rentals.
How much does an EPC cost?
EPC costs depend on property size and type.
How long does an EPC assessment take?
EPC assessments take 45–90 minutes.
Do I need an EPC if I am letting my property?
Landlords must provide an EPC when letting property.
Can I combine a floor plan with my EPC appointment?
Floor plans can be combined with EPC appointments.
EPC and smart meters – do they affect your energy rating?
Having a smart meter is recorded on your EPC under RdSAP 10, but it [...]
Battery storage and EPC ratings – are systems included and do they affect the score?
Battery storage is recorded as part of the EPC assessment under RdSAP 10, but [...]
What are the EPC lighting changes under RdSAP 10?
Lighting is now assessed bulb by bulb rather than by fitting. Assessors count and [...]
What is involved in the EPC inspection process, and will it cause disruption?
The assessor needs to walk through the whole property, every room, the loft, boiler, [...]
Should I get an updated EPC after improvements to my property?
Worth considering, yes. Your original EPC stays valid for 10 years, but it only [...]
How does my EPC rating impact on property value or letting potential?
A higher EPC rating makes a property more appealing to buyers and tenants, who [...]
Can I query my EPC if something seems incorrect?
Yes. Start by contacting the assessor who carried out the survey, most concerns can [...]
Are renewable systems such as heat pumps, solar panels included?
Yes, heat pumps, solar PV, solar thermal, and battery storage are all recorded in [...]
How do I find a reliable, qualified EPC assessor?
Look for an assessor who's fully accredited and trained in the current RdSAP 10 [...]
What is the cost of a domestic EPC?
The cost of a domestic EPC typically ranges between £96 and £175.
How long does an EPC last?
An Energy Performance Certificate is valid for 10 years from its date of issue. There is no requirement to renew it during this period unless you plan to sell or let the property again, at which point a valid EPC must be in place.
Why don’t EPCs usually recommend window replacements?
EPCs rarely recommend window replacements as a first measure because the efficiency gains are typically limited when compared to the high cost of installation.
What is an Energy Performance Certificate (EPC) and why is it required?
An EPC shows how energy efficient a home is and is legally required when selling or letting residential property in the UK.
What has changed under RdSAP 10 (from June 2025)?
RdSAP 10 changes include more detailed and precise data collection, leading to more accurate EPC ratings.
Does the EPC include recommendations to improve energy efficiency?
Yes, EPCs suggest improvements that balance cost and energy savings using current data and modelling.
Who is legally required to have an EPC for a home?
Homeowners and landlords must have a valid EPC before marketing a property for sale or rent.
