The Government has confirmed rented homes will need EPC C by 2030, with landlords expected
to invest up to £10,000 per property before claiming a cost-cap exemption. We identify the
most economical route for your D-rated property, from a fully funded grant to specialist testing based on measured evidence.
If we can't get you a C through our testing route, you don't pay.
Specialist testing or a BUS-funded routeYour free assessment compares the options before any work is agreed.
You only pay when your C is lodgedYour specialist survey fee is due only when the new EPC is on the national register.
If we can't get you a C, you don't payAny booking payment for the specialist route is returned in full.
Why now
The window to do this cheaply is closing
Two changes are converging on landlords at once, and both are already published
government policy, not rumour. Waiting doesn't avoid the cost. It multiplies it.
0
days until 1 October 2030, the Government's confirmed EPC C deadline for rented homes
£10,000
the per-property spend cap landlords are expected to invest to reach a C
2027
reformed domestic EPCs are due in the second half of the year, with new metrics
MEES: confirmed direction
EPC C by 2030, or the property can't legally be let
In its January 2026 response to the Improving Energy Performance of Privately Rented Homes
consultation, the Government confirmed a single compliance date of 1 October 2030. Landlords
must meet the new standard or hold a valid exemption, with required investment capped at up to
£10,000 per property over ten years. This is now the Government's final policy position.
New EPCs will measure fabric, heating and smart readiness
The Home Energy Model will replace SAP as the methodology behind domestic EPCs. The future
private-rental standard uses fabric performance first, then either heating-system performance
or smart readiness. Low-carbon heating can help, but it is not the only possible route. An
existing EPC lodged at C before 1 October 2029 will remain recognised until that EPC expires.
Your current EPC is probably wrong, and it's costing you a band
Look at your certificate. Anywhere it says "assumed" or "not rated", your
assessor didn't measure. They defaulted to the worst-case value. Standard domestic assessors
aren't qualified for air-tightness or U-value testing and don't carry the equipment. Your
property gets scored as if the insulation you can't see doesn't exist.
Air-tightness testing measures real heat loss instead of assuming the leakiest default.
U-value measurement proves what your walls actually retain, not what a 1970s-era table assumes.
Evidence replaces assumptions on your certificate, so the score moves without touching a wall.
Thermography: where your property actually loses heat
Your EPC: element ratingsTypical D certificate
Walls Solid brick, as built
Assumed: no insulation
Floor Suspended timber
Assumed: uninsulated
Air tightness Infiltration rate
Not tested: default
U-value Heat transfer through walls and floors
Not measured: assumed
After our specialist survey Air tightness and U-values
Measured evidence lodged
What we do
Two routes to your C. We work out the cheapest, for free
Every engagement starts with a free initial assessment: a qualified energy assessor reads your
current EPC with you and tells you exactly which route your property qualifies for.
Route 1: Boiler Upgrade Scheme (BUS) grant
£0 may be possible for eligible smaller properties
£7,500 towards an eligible heat pump, rising to £9,000 for qualifying off-gas-grid properties from 21 July 2026.
Smaller properties often qualify with no landlord contribution at all, and move up 1–2 EPC bands.
Low-carbon heating supports the heating-system metric used by the reformed EPC standard.
Larger properties with more radiators may need a contribution; if so, we'll tell you if Route 2 is cheaper.
Route 2: Specialist testing survey
Quoted after assessment payable only when your C is lodged
Air-tightness (blower door) testing with calibrated equipment most assessors don't carry.
In-situ U-value measurement of your actual walls and floors, replacing worst-case assumptions.
Review of low-cost adaptations where the evidence alone doesn't close the gap.
New EPC lodged on the national register, valid for 10 years. No C, no fee, deposit refunded.
Which route is cheaper for you? That's the point of the free assessment. If the BUS
grant covers your property in full, we'll tell you to take the free route, even though we earn
nothing from it. That's how the maths stays honest.
1Free EPC read-throughAn assessor reviews your certificate and tells you what your property qualifies for.
2Survey or grant applicationWe run the specialist tests, or handle the BUS grant route end to end.
3Your C is lodgedOnly then is the agreed specialist survey fee due, or nothing at all on a fully funded grant.
"It'll get scrapped anyway"
Betting your portfolio on a repeal is a £10,000-a-property gamble
Plenty of landlords are waiting for an election to make this go away. Here's why that's
a weak bet, whatever you think of the current government.
The machinery is already moving
The 2030 policy response is published, EPC reform is scheduled for the second half of 2027, and the supply chain is being funded now. Reversing regulation, retraining and industry investment already in motion would take time, even for a government that wanted to.
It's a fuel poverty policy, not a green one
The stated aim is to stop private tenants overpaying hundreds of pounds a year to heat cold, leaky homes. "Cut renters' energy bills" polls well with every party's voters. Policies framed around tenants' cost of living don't get repealed cheaply.
The downside is brutally asymmetric
If the rules soften, you still hold a 10-year C that supports your property's value and lettability. If they don't, waiting means competing with thousands of landlords for installers in 2029, at panic prices, under threat of penalties.
Act nowKnow your lowest-cost route before committing
VS
Wait and lose the betUp to £10,000 per property, at 2029 prices
A landlord with several terraced properties wants proof before spending on measures. The assessment focuses on measured air tightness and U-values where the existing EPC uses assumptions, then confirms whether a C is realistically achievable before the survey proceeds.
Composite landlord scenario
BG
BUS grant routeIllustrative assessment scenario
Grant comparison
A landlord with a smaller property may find the BUS grant route cheaper than specialist testing. The free assessment compares likely grant support, property suitability and any landlord contribution before recommending a route.
A portfolio landlord considering a sale can compare the upgrade route against selling costs and disruption. Each property is assessed separately, and any booking payment is returned where the agreed specialist route cannot reach a C.
Composite landlord scenario
Composite case notes
Three typical properties, three routes, one goal
BUS grant · 1-bed flat, Greater Manchester
DC
Compact flat with four radiators, squarely inside the full-funding envelope. The grant covered the heat pump and installation outright. The landlord's only involvement was granting access on install day.
Landlord paid£0
BUS grant · 1-bed terrace, Staffordshire
DC
Small terrace, gas combi at end of life. The free assessment confirmed full grant eligibility; the heat pump lifted the score two bands. The tenant's projected heating costs fell as well, which is the whole point of the policy.
Landlord paid£0
Specialist testing · 3-bed semi, West Yorkshire
DC
Nine radiators made the grant route uneconomical, so specialist testing was the better route. Air-tightness and U-value results replaced three "assumed" entries; the certificate re-lodged at C with no building work at all.
OutcomeNo building work
Free assessment
Have an assessor read your EPC, free
Send your details and a qualified energy assessor will go through your certificate with you:
what's assumed, what's not rated, and which route, grant or survey, gets each property
to a C for the least money.
No obligation, no hard sellIf the free grant route fits, that's what we'll recommend.
Portfolio-friendlyBring every property and we'll triage the whole list on one call.
FAQs
The questions every landlord asks us
Is this one of those "dodgy EPC" outfits?
No, and it's the right question to ask. Nothing on your certificate is "massaged": our surveyors are accredited domestic energy assessors carrying calibrated air-tightness and U-value equipment, and every result is lodged as measured evidence on the official national EPC register, fully auditable. What's actually questionable is a certificate scored on worst-case assumptions because the original assessor wasn't qualified or equipped to measure. We replace guesswork with evidence, the opposite of a backhander.
My EPC was done recently. How can it be wrong?
Recency isn't the issue; methodology is. A standard EPC visit is visual: where the assessor can't see or verify an element, the software records it as "assumed" or "not rated" and applies the worst plausible default. Air-tightness and in-situ U-value testing need separate qualifications and expensive equipment that standard assessors don't carry. Check your own certificate for the word "assumed". Every instance is a place your property may be scoring below its real performance.
What happens if you can't get my property to a C?
You don't pay the specialist survey fee. The name is the policy: the agreed fee is only payable when your C-rated EPC is lodged on the register. If the measured results cannot reach a C, any booking payment is returned in full. You will still leave with something valuable: a precise, evidence-based picture of the cheapest remaining route to compliance.
Won't the next government just scrap the 2030 rules?
It's possible, but look at what you're staking. The Home Energy Model is already in delivery for 2027, the consultation response is published, and installer supply chains are being funded now; unwinding all that is slow even for a hostile government. The policy is framed around cutting tenants' energy bills, which polls well across parties. And the bet is asymmetric: acting now can secure a 10-year C through the most economical suitable route; waiting and losing could mean spending up to £10,000 per property at end-of-decade panic prices. That's not a hedge, it's a hope.
I'll just sell before 2030. Isn't that easier?
Run the numbers first. Selling can mean agent fees, legal fees, potential capital gains tax, void months and the loss of your yield. A free assessment gives you the likely cost of the most economical suitable upgrade route before you make that decision. There's also a market effect: if many landlords sell at once, rental supply shrinks, demand doesn't, and rents and yields rise for the landlords who stayed. Selling a compliant, C-rated asset into that market later is a far stronger position than selling a D under deadline pressure.
My property is E-rated. Can you still help?
Often, yes. The BUS grant's heat pump funding typically moves a property one to two full bands, which can take an E to a C, especially combined with the specialist testing that corrects assumed values on the same certificate. Our core work is D-to-C, but the free assessment will tell you honestly whether your E can make it, and by which combination.
What exactly is the BUS grant, and do I really pay nothing?
The Boiler Upgrade Scheme is a live government grant of £7,500 towards an eligible heat pump. From 21 July 2026, qualifying off-gas-grid properties can receive £9,000. Some smaller properties may fit inside the funded amount with no landlord contribution; larger systems may need a top-up. Our free assessment checks the likely contribution and compares it with the specialist survey route.
Is the 2030 requirement actually law yet?
The Government's formal consultation response, published on GOV.UK in January 2026, confirms a single compliance date of 1 October 2030, a cost cap of up to £10,000 per property over ten years, exemptions and penalties. The implementing regulations still have to complete the parliamentary process, so this page does not claim that the future standard is enforceable today. The policy position is confirmed, and the full documents are linked in Important reading.
What actually happens during the specialist survey?
A qualified surveyor spends around half a day at the property. They fit a blower door to measure real air leakage, take in-situ U-value readings of walls and floors, and review any low-cost adaptations if the evidence alone won't close the gap. Tenants can stay in; it's non-invasive, no drilling or building work. The measured data replaces the assumptions on your EPC, and the new certificate is lodged on the national register, valid for 10 years.
How long does my new C last, and what about the 2027 changes?
An EPC is valid for 10 years from lodgement. Under the Government's January 2026 policy, an existing EPC lodged at C before 1 October 2029 will be recognised until that certificate expires. Reformed domestic EPCs are now scheduled for the second half of 2027 and will use new fabric, heating-system and smart-readiness metrics. Acting early can preserve a clear compliance route under the current Energy Efficiency Rating while it remains available.
Important reading
Don't take our word for it. Read the source documents
Everything on this page traces back to published government material. Start here.