Buying a buy-to-let property involves more than simply calculating rental yield and purchase price. Successful landlords also consider long-term running costs, future improvement requirements, tenant expectations and overall property condition.

One area that is often overlooked during the purchase process is the property’s Energy Performance Certificate (EPC) position.

Understanding a property’s current EPC rating and energy performance before completing a purchase can help landlords make more informed investment decisions and plan future improvements more effectively.

Founded in 2015 by Jino Jose, EPCRATE provides EPC assessments, Commercial EPCs, Floor Plans and Draft EPC reviews throughout London. Call 020 3488 4142 to speak with our team.

Why EPCs Matter When Buying a Rental Property

Many landlords focus on:

  • Rental yield.
  • Location.
  • Tenant demand.
  • Property condition.
  • Future capital growth.

While these factors remain important, reviewing the property’s energy performance can provide valuable information before purchase. Once you own the property, our buy-to-let EPC guide covers the ongoing obligations.

An EPC includes:

  • Current energy efficiency rating.
  • Potential future rating.
  • Energy performance information.
  • Carbon emissions data.
  • Improvement recommendations.

Check Whether a Valid EPC Already Exists

Before purchasing a buy-to-let property, landlords should establish whether a valid EPC is already available.

A domestic EPC generally remains valid for 10 years from the date it is issued.

Reviewing the existing certificate can provide useful insight into the property’s current position.

Look Beyond the EPC Rating

The EPC score itself is only part of the picture.

It is often useful to review:

  • Property construction.
  • Heating systems.
  • Insulation levels.
  • Windows and glazing.
  • Property age.
  • Available supporting evidence.

This broader review can help landlords better understand potential future costs and opportunities.

Buy-to-Let Flats Require Additional Consideration

Many London landlords invest in flats and apartments.

Factors that may influence future planning include:

  • Leasehold restrictions.
  • Communal heating systems.
  • Management company arrangements.
  • Building-wide improvement programmes.
  • Service charge structures.

Understanding these factors before purchase can help avoid surprises later.

Supporting Evidence Can Be Valuable

Property owners should establish whether documentation exists for previous improvements.

Examples include:

  • FENSA certificates.
  • Insulation certificates.
  • Building Control approvals.
  • Completion certificate.
  • Renewable technology documentation.

Suitable supporting evidence may be relevant to future EPC assessments where assessment methodologies and conventions allow.

Can a Better EPC Rating Help With Mortgages and Remortgages?

Some mortgage lenders offer Green Mortgage products or incentives linked to properties with stronger EPC ratings.

Depending on the lender and product available at the time of application, potential benefits may include:

  • Access to Green Mortgage products.
  • Potentially lower interest rates.
  • Cashback incentives.
  • Additional borrowing options for energy improvements.
  • Enhanced property marketability.

Eligibility criteria vary between lenders and products, and no EPC rating guarantees acceptance for any mortgage product.

However, many investors now consider energy performance as part of their wider financing strategy.

Why Consider a Draft EPC Before Purchasing?

Many landlords purchase properties intending to undertake refurbishment works shortly after completion.

A Draft EPC review can help investors better understand the property’s current position before committing substantial expenditure.

A Draft EPC may help:

  • Review current energy performance.
  • Identify supporting evidence.
  • Explore potential improvement pathways.
  • Support refurbishment planning.
  • Assist with budgeting decisions.
  • Reduce the risk of unnecessary expenditure.

For example, a landlord purchasing a Victorian terrace or converted flat may wish to understand the property’s energy profile before allocating a renovation budget.

A Draft EPC can support this planning process.

However, a Draft EPC does not guarantee a particular EPC rating, mortgage outcome, lender acceptance, compliance result or improvement outcome.

Common Buy-to-Let Purchasing Mistakes

  • Ignoring the EPC until after purchase.
  • Not reviewing supporting documentation.
  • Assuming all improvements will affect future EPC outcomes.
  • Underestimating refurbishment costs.
  • Failing to consider long-term energy performance planning.

Why Choose EPCRATE?

  • Founded in 2015 by Jino Jose.
  • DEA Accredited.
  • ★★★★★ Trustpilot Reviews.
  • ★★★★★ Google Reviews.
  • Coverage across all 32 London boroughs.
  • Only London provider offering a Draft EPC service.
  • Domestic and Commercial EPC specialists.
  • EPC + Floor Plan bundles available.
  • Greater London Energy Efficiency Awards – Commended 2024.
  • Greater London Energy Efficiency Awards – Highly Commended 2025.

Frequently Asked Questions

Should landlords check EPCs before buying a property?

Many landlords review EPC information as part of their overall due diligence process before purchasing a rental property.

Can a better EPC help with remortgaging?

Some lenders offer Green Mortgage products linked to stronger EPC ratings, although eligibility varies between lenders and products.

Can a Draft EPC help before purchasing?

Many investors use Draft EPC reviews to better understand a property’s current position before planning improvements.

Can a Draft EPC guarantee a future EPC rating?

No. A Draft EPC supports planning and decision-making but cannot guarantee any specific outcome.

Should landlords keep supporting documentation?

Yes. Maintaining relevant certificates and records may be beneficial for future EPC assessments and long-term property management.

Buying a rental property? Call EPCRATE on 020 3488 4142 to discuss EPC due diligence before you complete.

Service Price
1 Bedroom EPC £59
2 Bedroom EPC £69
3 Bedroom EPC £79
EPC + Floor Plan Bundle £118



Written by Jino Jose

DEA & NDEA Accredited Energy Assessor  ·  EPCRATE, London  ·  Founded 2015

Jino Jose is the founder of EPCRATE and one of the few London assessors holding both Domestic Energy Assessor (DEA) and Non-Domestic Energy Assessor (NDEA) accreditations. He has carried out thousands of EPC assessments across all 32 London boroughs since 2015.

✓ DEA Accredited ✓ NDEA Accredited ⭐ Trustpilot 5.0

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