Guides
EPC guides for London homeowners and landlords
Plain explanations of the things people ring up and ask about, written from doing the assessments rather than from reading about them. No filler, and no advice to buy something you do not need.
Costs and the visit
How much does an EPC cost?
What a domestic EPC costs in London, what moves the price, who has to pay, and the checks worth making before you book the cheapest one.
Read the guideWhat happens at an EPC assessment?
The visit in order: what I measure and record in each part of the home, what is left out, and what happens to it afterwards.
Read the guidePreparing for your EPC
A checklist for the visit: the places I need to reach, the paperwork that can lift the rating, and who needs to be there.
Read the checklistEPC, floor plan or survey?
Which of the three you need when selling, letting or buying, what each one covers, and whose job it is to arrange it.
Read the guideSelling and letting
Do you need an EPC to sell?
When the EPC has to be ordered, the real penalty for marketing without one, the few exemptions, and when the certificate you have will do.
Read the guideEPCs for landlords
The minimum standard, how exemptions actually work, and the paperwork that quietly costs landlords a band when nobody can find it.
Read the guideEPC C by 2030
What the government has decided for rented homes from October 2030: the £10,000 cap, the C ratings that still count, and the exemptions.
Read the guideEPC expired during a tenancy?
Why a certificate that runs out mid-tenancy does not need replacing yet, when you do need a new one, and why band E still matters.
Read the guideHMO EPC requirements
When a shared house needs an EPC, why a single room does not, and the change the government has announced for HMOs.
Read the guideUnderstanding your rating
EPC ratings explained
What the letter means, what the score behind it means, and why the number matters more than the band when you are deciding whether to spend money.
Read the guideRdSAP 10: the 2025 change
The update to the EPC method in June 2025: what assessors record now, and why a new certificate can differ from an old one.
Read the guideThink your EPC is wrong?
How to tell a real mistake from a rating you do not like, who to contact first, and how a wrong certificate gets corrected.
Read the guideEPC expiry checker
A free tool: enter the valid-until date from your certificate and see what it means for a sale, a new let or a current tenancy.
Use the checkerImproving it
How to improve your EPC rating
Starting with the measures that cost almost nothing, because on most London properties those are the ones that move the number.
Read the guideLoft insulation and your EPC
How the depth is recorded, the 270mm to aim for, typical costs, and how boarding can hide insulation from the assessor.
Read the guideCavity wall insulation and your EPC
How to tell whether your walls have a cavity, whether it can be filled, what it costs, and the paperwork the EPC needs.
Read the guideRather just book it?
Accredited EPCs and measured floor plans across every London borough, from £69, lodged within 72 hours — or sooner, with same-day and next-day EPCs.