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Commercial EPC Cost: Why Acting Early Saves More Than Just Money

21st August 2025

Commercial epc

For UK landlords and property owners, the question of commercial EPC cost is no longer just about paying for an assessment. With tighter regulations, looming deadlines, and rising expectations from tenants and investors, the real cost lies in how prepared, or unprepared, you are.


The Regulatory Pressure Is Mounting

Since April 2023, it has been unlawful to lease a commercial property with an EPC rating of F or G. That was only the starting point. By April 2027, the minimum standard is expected to rise to EPC C, with EPC B set to become the legal minimum by 2030.

That leaves landlords with just a few years to upgrade their buildings, or risk being left with stranded assets they cannot legally let.

According to the Financial Times, around 70% of commercial floor space currently sits at a rating of C or below, meaning billions in property value could be at stake if owners fail to act.


Breaking Down Commercial EPC Costs

When people talk about commercial EPC cost, there are two sides to the equation:

  1. Assessment Costs– The fee for obtaining an EPC certificate varies depending on the size and complexity of the property:
    • Small shops and offices: typically £150–£250
    • Medium premises: around £200–£400
    • Large or complex buildings: anywhere from £400 to £1,200+
  2. Upgrade Costs – Meeting 2027 and 2030 standards will often require some investment, but costs can vary widely depending on the building. As a guide, moving a property from an E to B rating might average around £2,000 per 100 m². For larger sites this could represent a significant sum, but upgrades don’t need to be done all at once. Many landlords take a phased approach, tackling the easiest and most cost-effective improvements first.

The key is that improvements are rarely just a compliance cost, they typically bring a strong return on investment. Better insulation, modern heating and cooling, or renewable technologies like solar can lead to lower energy bills, reduced exposure to fines, and higher tenant demand. With green finance, government-backed grants, and tax incentives available, many landlords find that the long-term gains far outweigh the upfront spend.


Why It’s More Than Just Compliance

The good news? EPC upgrades can be an investment, not just a cost. Even small changes can make a big difference:

  • Energy savings: Simple steps like LED lighting, draft-proofing, upgrading to smart controls, or servicing existing HVAC systems can cut energy use quickly and cost-effectively. For larger sites, options like insulation improvements or solar PV offer even bigger savings—solar, for example, can generate power at 2–4p/kWh, far cheaper than the 20–30p/kWh typically paid to the grid.
  • Attracting tenants: More businesses are seeking sustainable premises to meet their own net zero goals. Even modest improvements can make a property easier to let and support stronger rental values.
  • Boosting asset value: Energy-efficient buildings are increasingly favoured by lenders and investors, improving long-term asset performance and access to finance.

EPCs Are Evolving for the Better

EPCs remain a vital tool for landlords and property owners, giving a clear benchmark of where a building stands on energy performance and what improvements will have the biggest impact. While certificates are currently valid for 10 years, there are discussions across the UK about how to make them even more accurate and actionable in future.

For example, Scotland is reviewing its EPC framework with proposals for a new, clearer rating system that could eventually influence changes elsewhere in the UK. These developments signal that EPCs are only becoming more important, not less, as regulators, investors, and tenants increasingly rely on them when making decisions.


What Property Owners Should Do Now

With 2027 approaching fast, property owners can’t afford to wait. Here’s how to stay ahead:

  • Book a commercial EPC assessment early – Know exactly where your property stands.
  • Plan phased upgrades – Spread costs over time rather than facing a last-minute bill.
  • Explore grants and funding – Government-backed schemes and green finance products can ease the financial burden.
  • Work with qualified assessors – Accurate guidance now will save costly mistakes later.

Future-Proofing Your Property

The true commercial EPC cost is not just the assessment fee, it’s the risk of waiting too long. With up to 70% of commercial floor space nationwide and as much as 83% in major cities at risk of falling short, early action is the smartest way to protect your assets.

By making improvements now, landlords can spread investment over time, cut energy bills, attract high-quality tenants, and avoid the penalties of last-minute compliance. EPCs are more than a legal requirement, they’re a roadmap to stronger, more resilient properties.

At Essential Green Skills, we help landlords and businesses understand their obligations and identify the most cost-effective steps to improve efficiency.

Ready to start future-proofing your property? Contact our team today to arrange your commercial EPC assessment.