EPC Monthly Cost by Rating 2026 — UK Data
This page summarises 2026 UK energy bill data by EPC rating: roughly £610 a year at EPC A and roughly £4,000 a year at EPC G, with monthly costs and worked examples for typical UK property types.
What the data shows
This page presents two clear comparisons: (1) the annual energy bill of a UK home by EPC rating, and (2) the same data converted to a monthly bill, including a worked 3-bedroom semi-detached example. The figures are designed to support screening and budgeting — for example, comparing the running cost of an EPC C home and an EPC E home before making an offer.
Annual bills should be read alongside the Ofgem price cap currently in force. From 1 April 2026, the cap implies roughly £1,755 a year for a typical dual-fuel direct-debit household, which sits between the EPC C and EPC D rows in the table below.
Source and methodology
The annual bill table uses 2026 UK EPC band cost data, with band A around £610 a year and band G around £4,030 a year. The same dataset provides estimated annual bills by property type — flat, mid-terrace, semi-detached and detached — which this page reports without modification.
Monthly costs are calculated as annual bill divided by twelve, rounded to the nearest pound. Where ranges are shown for upgrades, the lower bound assumes a partial measure, while the upper bound assumes a fuller package such as a heat pump and full insulation envelope. Page updated 9 May 2026.
UK annual energy bill by EPC rating
| EPC band | Avg annual bill | Flat | Mid-terrace | Semi-detached | Detached |
|---|---|---|---|---|---|
| EPC A | £610 | £303 | £472 | £562 | £907 |
| EPC B | £855 | £436 | £745 | £828 | £1,175 |
| EPC C | £1,213 | £753 | £1,160 | £1,346 | £1,798 |
| EPC D | £1,621 | £1,118 | £1,635 | £1,810 | £2,343 |
| EPC E | £2,237 | £1,540 | £2,221 | £2,510 | £3,318 |
| EPC F | £2,968 | £2,196 | £3,103 | £3,346 | £4,353 |
| EPC G | £4,030 | £3,005 | £4,140 | £4,470 | £5,743 |
Source: 2026 UK EPC band annual bill data; Ofgem price cap effective from 1 April 2026.
EPC monthly cost — 3-bedroom semi-detached worked example
The most common UK home is a 3-bedroom semi-detached. The table below converts its annual bill at each EPC band to a monthly cost (annual ÷ 12). At EPC C the monthly bill is roughly £112; jumping to EPC E pushes it to about £209 a month.
| EPC band | Annual bill | Monthly bill |
|---|---|---|
| EPC A | £562 | £47 |
| EPC B | £828 | £69 |
| EPC C | £1,346 | £112 |
| EPC D | £1,810 | £151 |
| EPC E | £2,510 | £209 |
| EPC F | £3,346 | £279 |
| EPC G | £4,470 | £373 |
Source: 2026 UK EPC band cost data; PropertyWiki monthly conversion (annual ÷ 12).
Upgrade paths and indicative payback
Moving up the EPC ladder reduces running costs but the cost-benefit profile differs significantly between bands. Big jumps from G or F bands typically pay back fastest, while pushing an already-efficient C-rated home up to B normally requires a heat pump or solar package and has a longer payback period.
| From → To | Indicative cost | Annual saving* | Payback | Typical measures |
|---|---|---|---|---|
| G → E | £8,000–£15,000 | £1,793 | 4.5–8 years | Loft + cavity wall insulation, modern boiler, draught-proofing, LED lighting |
| F → D | £6,000–£12,000 | £1,347 | 4.5–9 years | Boiler upgrade, insulation top-up, double glazing, basic controls |
| E → C | £8,000–£18,000 | £1,024 | 8–17 years | Insulation, condensing boiler or heat pump, glazing, smart controls |
| D → C | £3,000–£8,000 | £408 | 7–20 years | Targeted insulation, heating controls, partial glazing upgrade |
| D → B | £15,000–£30,000 | £766 | 20–40 years | Heat pump, full insulation package, solar PV, MVHR, full glazing |
| C → B | £10,000–£25,000 | £358 | 28–70 years | Heat pump or hybrid, solar PV, advanced insulation, controls |
*Annual saving derived from the difference between the average annual bill rows in the EPC band cost table above. Real-world savings depend on tariffs, fuel mix, occupancy and how upgrades are specified and installed.
Regulatory context
Minimum Energy Efficiency Standards (MEES) currently require rented homes in England and Wales to be at least EPC E, with a government proposal to raise the minimum to EPC C for new tenancies from 2028 and for all tenancies from 2030. The Future Homes Standard sets carbon-emission rules for new homes from 2025 onwards. Both policies push the long-term direction of the EPC market towards higher bands.
For a deeper explanation of bands, assessment, and rules, read the EPC ratings explained guide and the EPC definition page. Investors should also review our UK buy-to-let guide and rental yield rankings because EPC compliance directly affects achievable rent and lender criteria.
Frequently Asked Questions
It shows verified 2026 annual energy bill estimates by EPC rating in pounds per year, plus monthly conversions and a 3-bedroom semi worked example. The annual figures come from publicly cited UK 2026 EPC bill data; monthly numbers divide annual costs by twelve.
The annual EPC bill table cites UK 2026 EPC band cost ranges of £610 for A and around £4,000 for G. Ofgem price-cap context shows roughly £1,755 a year for the typical dual-fuel direct-debit household from April 2026. Government MEES and Future Homes Standard policy provide the regulatory context.
The annual bill table reflects 2026 UK EPC band cost data and the page was updated on 9 May 2026. Ofgem price-cap context refers to the cap in force from 1 April to 30 June 2026. Energy unit prices change every cap period, so monthly bills can move even when the underlying EPC rating does not.
Use the monthly cost data for screening only. Compare a property’s EPC band to the table to estimate likely energy spend, then pair the figure with the Ofgem price-cap context, your own usage, fuel mix, occupancy, and any upgrade plans. Real bills depend on suppliers, tariffs and behaviour.
Monthly EPC cost is annual bill divided by twelve. Worked example: a 3-bedroom semi-detached at EPC C is £1,346 a year, which is about £112 a month. The same property at EPC D is £1,810 a year (£151 a month), and at EPC E is £2,510 a year (£209 a month).
EPC rating cost refers to the typical annual energy bill associated with a property at that EPC band. EPC A is the most efficient and cheapest to run; EPC G is the least efficient and most expensive. Bills also depend on property size and type, fuel mix, occupancy, supplier and tariff.
PropertyWiki Team
Editorial Team
Published: May 9, 2026
Updated: May 9, 2026
PropertyWiki's editorial team provides data-driven property market analysis and guides for UK buyers and investors.