Commercial Energy Performance Certificate in Horsham

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Helping Keep Your Horsham Property Compliant

Horsham has one of the most active commercial property markets in West Sussex. Its business parks attract professional services firms and its location between London and the coast makes it a popular base for growing companies. If you own or let commercial premises here, a commercial Energy Performance Certificate in Horsham is something you need before you can legally sell or let your building. Tandem Energy has been supporting Horsham landlords and business owners with fast, accredited assessments since 2015.
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Breaking Down What a Commercial EPC Actually Covers

Think of a commercial EPC in Horsham as a health check for your building’s energy use. It gives you an honest, evidence-based picture of how efficiently the property runs and where it is losing energy day to day. Every certificate sets out:
  • The building’s energy efficiency rating on the A to G scale
  • Projected annual energy running costs based on the property’s current setup
  • Carbon dioxide emissions linked to the building’s energy consumption
A prioritised set of practical recommendations for improving the rating. A qualified commercial energy assessor in Horsham carries out the full inspection in person. They work through the building methodically, reviewing the heating systems, insulation, lighting, ventilation, glazing, and construction before producing the certificate. Once lodged on the national register, the certificate stays valid for 10 years.
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What Your EPC Rating Means for Your Horsham Commercial Property

Horsham attracts a professional tenant base. Businesses relocating here or expanding within the town are making considered decisions, and energy running costs are part of that calculation. A strong commercial Energy Performance Certificate in Horsham signals that your building is well managed and cost-efficient to occupy. That matters when tenants have a choice. For landlords managing a mix of property types across the town, the EPC rating is also a useful compliance planning tool. With MEES regulations already requiring a minimum E rating for all rented commercial premises, knowing where each building sits gives you a clear picture of where action is needed and how much time you have to take it.

Is a Commercial EPC a Legal Requirement in Horsham?

Yes. A commercial energy assessor in Horsham will need to assess your building when:

  • You are putting a commercial property on the market for sale.
  • The building is being offered to let to a new tenant.
  • A newly constructed commercial premises has just been completed.
  • The layout of the building has changed, and the number of separately occupied units is different.
  • The property is over 50 square metres and does not qualify for a recognised exemption.

Exemptions cover a narrow range of building types including places of worship, structures scheduled for demolition, and certain temporary buildings. If you think an exemption might apply to your property, our team can confirm quickly.

Tandem Energy Turns Your EPC Into a Practical Plan

Not every Horsham commercial building starts from the same place. A recently built office unit on a business park will almost always outperform a Victorian retail premises in the town centre. Construction age, materials, and original heating systems all play a role in where a rating lands. The commercial Energy Performance Certificate in Horsham your assessor produces makes that picture clear from the outset. Where improvements are needed, Tandem Energy helps you understand what will actually move the rating and what is realistic for your building. Our assessors know Horsham’s commercial stock well and give straightforward advice based on what they find on the day, not a standard checklist that ignores the specifics of your property. 

The Real Cost of Missing a Commercial EPC in Horsham

Not holding a valid commercial EPC when one is required can result in fines between £500 and £5,000 depending on your building’s rateable value. Beyond the fine, you cannot legally market or let the property until a certificate is in place. Buildings rated F or G also cannot be let under current MEES regulations without a formally registered exemption. 

What to Expect from Your EPC Assessment in Horsham

Getting your commercial Energy Performance Certificate in Horsham through Tandem Energy is simple and straightforward. Here is what the process looks like:

We Quote Based on Your Specific Building

Share your property details with us and we will come back to you with a clear, individually priced quote that reflects the actual scope of the work. 

You Choose the Time That Works

We arrange the assessment visit entirely around your schedule. Whether your building is occupied during trading hours or more accessible at a quieter time, we plan accordingly. 

Your Assessor Inspects Every Detail

We attend in person and work carefully through the building. This covers construction materials, heating plant, insulation, lighting, ventilation, and glazing to produce an accurate assessment.

Your Certificate Is Ready Without Delay

Your completed commercial EPC in Horsham is registered on the national database and sent directly to you. This way your letting, sale, or development plans can move forward straight away.

Frequently Asked Questions

How does Horsham's mix of old and new commercial buildings affect EPC ratings?

Newer buildings on Horsham’s business parks generally perform well because they were built to more recent energy standards. Older town centre properties often score lower due to their original construction. The assessment identifies what is holding the rating back and what would make the most practical difference for that specific building type. 

Offices, retail units, restaurants, warehouses, light industrial premises, and most other commercial buildings require a certificate before being marketed for sale or let. If you are unsure whether your specific property type is covered, our team can advise you quickly. 

Yes. Many of our Horsham clients book a commercial EPC alongside PAT testing, an EICR, Legionella risk assessment, or retrofit assessment in a single visit. It saves time, reduces disruption, and keeps all your compliance in one place. 

Smaller commercial units typically take around an hour. Larger or more complex premises will take longer. We will give you a realistic indication of timing when you confirm the booking so you can plan the day accordingly. 

If the assessment returns an F or G rating, the building cannot be legally let without a registered exemption. Our team can work through the recommended improvements with you and identify the most practical steps to bring the rating up to the required standard. Many landlords find the improvements are more achievable than they initially expected. 

Your commercial energy assessor in Horsham will produce a certificate that is valid for 10 years from the date of issue. If you carry out meaningful energy improvements during that time, commissioning a new assessment will capture the updated rating. It may significantly improve your position when marketing the property. 

Yes. If you manage more than one commercial property in or around Horsham, we can coordinate visits efficiently to minimise disruption. Portfolio landlords and property management companies regularly use us for multi-site assessments. 

The property address, approximate floor area, and current use are the most useful details to have to hand. Previous EPCs, floor plans, or information about recent energy improvements are helpful but not essential. Your assessor will cover anything else on the day. 

Not automatically. If the refurbishment involved changes to HVAC systems, or altered the number of separately occupied units, a new assessment will be needed. If you are unsure, our team can advise you quickly. 

Yes, and landlords are legally required to make it available at the earliest opportunity. Having a valid certificate ready before marketing begins puts you in a stronger position from day one. 

Why Horsham Property Owners Trust Tandem Energy?

Tandem Energy has been delivering fully accredited commercial assessments across Horsham and the wider county since 2015. We know the town’s commercial property landscape well and we bring that knowledge to every assessment we carry out here. Working with us means:
Deep local knowledge of Horsham's property market

From town centre period buildings to modern business park suites, our assessors understand the full range of commercial stock found across the town.

No delays at any stage

We move efficiently from your first enquiry to your completed certificate. So, nothing in your letting, sale, or development timeline is held up.

Visits planned around your tenants and trading hours

We understand Horsham's commercial premises are live, working businesses. That’s why every visit is arranged with minimum disruption in mind.

A fair price every single time

Your quote is based on the specific characteristics of your building, not a generic rate that may not reflect the real scope of what is involved.

Commercial EPC Clients in Horsham

Tandem Energy has provided a commercial Energy Performance Certificate in Horsham to a broad range of commercial clients, including: